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Insurers that are licensed filed to write Workers Compensation Insurance in Michigan
5-17-18
NAIC # Active Company Name Standard Excess Notes
0098-
31325Acadia Insurance Company Yes No
Program effective 10-
4-13.
0572-
12304
Accident Fund General Insurance
CompanyYes No
Program effective 1-1-
06.
0572-
10166
Accident Fund Insurance Company of
AmericaYes No None
0572-
12305
Accident Fund National Insurance
CompanyYes No
Program effective 1-1-
06.
0626-
22667ACE American Insurance Co. Yes Yes
Name changed from
Cigna Insurance
Company 11-1-99.
0626-
20702ACE Fire Underwriters Insurance Co. Yes No
Name changed from
Cigna Fire
Underwriters 11-1-
99.
0626-
20699ACE Property & Casualty Ins. Yes No
Name changed from
Cigna Property &
Casualty 11-1-99.
0594-
19984ACIG Insurance Company Yes No
Name changed from
American Risk
Funding Ins Co 6-17-
02.
0289-
14184ACUITY, A Mutual Ins. Co. Yes No
Name changed from
Heritage Mutual
Insurance Company
6-1-01.0000-
40517
Advantage Workers Compensation
Insurance CompanyYes No
Program effective 1-1-
09.
0012-
19402AIG Property Casualty Company Yes No
Name changed from
Chartis Property
Casualty Company
10-1-13.0012-
19399AIU Ins. Co. Yes No None
1325-
24899Alea North America Ins. Co. Yes Yes
Program effective 5-
23-02.
0036-
20222All America Ins. Co. Yes No None
0761-
35300Allianz Ins. Co. Yes No None
3158-
11242Allied Eastern Indemnity Company Yes No
Program effective 2-1-
09.
1
Insurers that are licensed filed to write Workers Compensation Insurance in Michigan
5-17-18
NAIC # Active Company Name Standard Excess Notes0140-
42579Allied Prop. & Cas. Ins. Co. Yes No None
0088-
10212
Allmerica Financial Alliance Insurance
CompanyYes No
Program effective 5-1-
13.
0088-
41840
Allmerica Financial Benefit Insurance
CompanyYes No
Program effective 7-1-
11.
0140-
19100AMCO Insurance Company Yes No None
0957-
19720American Alternative Ins. Corp. Yes Yes None
0761-
21849American Automobile Ins. Co. Yes Yes None
0218-
20427American Cas. Co. of Reading, PA Yes No None
3765-
45934American Compensation Ins. Co. Yes No None
0163-
19690American Economy Ins. Co. Yes No None
0044-
20613American Employers' Ins. Co. Yes No None
0361-
23450American Family Home Insurance Co. Yes No
Program effective 1-1-
13.
0148-
24066American Fire & Cas. Co. Yes No None
0553-
24589American & Foreign Ins. Co. Yes No None
0000-
40398
American Fuji Fire & Marine
Insurance CompanyYes No
Program effective 11-
15-03.
0212-
26247
American Guarantee & Liability
Insurance CompanyYes No None
0012-
19380American Home Assurance Co. Yes Yes None
0761-
21857American Insurance Co. Yes Yes None
0680-
31895American Interstate Ins. Co. Yes No None
0098-
15911American Mining Insurance Company Yes No
Program effective 7-1-
12, Changed name
from american
Mining Insurance
Company, Inc 12-10-
13.
0361-
23469
American Modern Home Insurance
Co.Yes No
Program effective 1-1-
13.
2
Insurers that are licensed filed to write Workers Compensation Insurance in Michigan
5-17-18
NAIC # Active Company Name Standard Excess Notes
0163-
19704American States Ins. Co. Yes No None
0212-
40142American Zurich Ins. Co. Yes No None
0124-
19488Amerisure Ins. Co. Yes No None
0124-
23396Amerisure Mutual Insurance Co. Yes Yes
Name changed from
Michigan Mutual
Insurance Company
6-20-00.0124-
11050Amerisure Partners Insurance Co. Yes No None
0828-
42390AmGuard Insurance Company Yes No
Program effective 8-1-
00.
2538–159
54
AmTrust Insurance Company of
Kansas, Inc.Yes No
Program effective 5-1-
14.
1309-
10984Ansur America Insurance Company Yes No
Program effective 11-
1-00.
0966-
10229APSpecialty Insurance Corporation Yes No
Program effective 10-
1-03.
0191-
11150Arch Insurance Company Yes Yes
Name changed from
First American
Insurance Company
7-2-02, Excess
workers
compensation
program effective 7-1-
07.0457-
19860Argonaut Great Central Ins. Co. Yes No None
0457-
19801Argonaut Ins. Co. Yes Yes None
0457-
19828Argonaut-Midwest Ins. Co. Yes Yes None
0761-
21865Associated Indemnity Corporation Yes Yes None
0164-
41769Athena Assurance Company Yes Yes None
0031 -
20931
Atlanta International Insurance
CompanyYes No
Program effective 3-1-
18.
1129-
27154Atlantic Specialty Insurance Company Yes No
Program effective 11-
1-11.
0250–225
86Atlantic States Insurance Company Yes No
Program effective 10-
1-15.
3
Insurers that are licensed filed to write Workers Compensation Insurance in Michigan
5-17-18
NAIC # Active Company Name Standard Excess Notes
0280-
18988Auto-Owners Ins. Co. Yes No None
1217-
55022
AXA Corporate Solutions Insurance
CompanyYes No
Name changed from
AXA Global Risks
Ins. Co. 2-2-01.
0000-
13420Badger Mutual Insurance Company Yes No
Program effective 7-
15-12.
0626-
18279Bankers Standard Ins. Co. Yes No None
0000-
41394Benchmark Insurance Company Yes Yes
Standard program
effective 6-1-11.
Excess effective 6-1-
16
0098-
38911Berkley National Insurance Company Yes No
Program effective 9-
30-10.
0098-
29680Berkley Regional Insurance Company Yes No
Program effective 9-
30-10.
0031-
10391
Berkshire Hathaway Direct Insurance
CompanyYes No
Program effective 11-
1-15.
0031-
20044
Berkshire Hathaway Homestate
Insurance CompanyYes No
Named changed
from Cornhusker
Casualty Company 3-
11-11.0150-
20095Bituminous Casualty Corporation Yes No None
0150-
20109Bituminous Fire & Marine Ins. Co. Yes No None
3765-
12311
Bloomington Compensation
Insurance CompanyYes No
Program effective 12-
15-07.
0218-
20761Boston Old Colony Ins. Co. Yes No None
0000-
13528Brotherhood Mutual Ins. Co. Yes No None
0218-
20788Buckeye Union Ins. Co. Yes No None
0501-
10472Capitol Indemnity Corporation Yes No
Program effective 6-1-
09.
0098-
10510Carolina Casualty Ins. Co. Yes Yes None
0036-
20230Central Mutual Ins. Co. Yes No None
0041-
25615Charter Oak Fire Ins. Co. Yes Yes None
4
Insurers that are licensed filed to write Workers Compensation Insurance in Michigan
5-17-18
NAIC # Active Company Name Standard Excess Notes
0000-
10642Cherokee Ins. Co. Yes No None
0038-
12777Chubb Indemnity Ins. Co. Yes No None
0038-
10052Chubb National Insurance Company Yes No
Program effective 7-1-
12.0000-
18767Church Mutual Ins. Co. Yes No None
0244-
28665Cincinnati Casualty Company Yes Yes None
0244-
23280Cincinnati Indemnity Company Yes Yes None
0244-
10677Cincinnati Insurance Company Yes Yes None
0088-
31534Citizens Ins. Co. of America Yes Yes None
0088-
10176Citizens Ins. Co. of Ohio Yes No None
0088-
10395Citizens Ins. Co. of the Midwest Yes No None
0517-
20532Clarendon National Ins. Co. Yes No None
0212-
34347
Colonial American Casualty & Surety
CompanyYes No None
0317-
40827
Combined Specialty Insurance
CompanyYes No
Name changed from
Virginia Surety
Company 1-28-02.
0031-
32280
Commercial Casualty Insurance
CompanyYes No
Program effective 3-1-
18.
0012-
19410Commercial Ins. Co. Of Newark Yes No None
0661-
10794
Companion Commercial Insurance
CompanyYes No
Program effective 12-
1-05.
0661-
12157
Companion Property & Casualty
Insurance CompanyYes No
Program effective 12-
1-05.
0572 -
12177CompWest Insurance Company Yes No
Program effective 7-1-
15.
0553-
24872Connecticut Indemnity Company Yes Yes None
4720-
29734Conifer Insurance Company Yes No
Merged with MLBA
Mutual Insurance
Company 1-10-13.
0111-
22640Consolidated Insurance Company Yes No None
5
Insurers that are licensed filed to write Workers Compensation Insurance in Michigan
5-17-18
NAIC # Active Company Name Standard Excess Notes
0218-
20443Continental Casualty Company Yes Yes None
0613-
28258Continental Indemnity Company Yes No
Name changed from
Continental National
Indemnity Company
12-1-060218-
35289Continental Insurance Company Yes Yes None
0098-
10804
Continental Western Insurance
CompanyYes No
Program effective 10-
4-13.
0052-
21318Coregis Insurance Company Yes No None
0158-
31348Crum & Forster Indemnity Co. Yes No None
0306-
10847CUMIS Insurance Society, Inc. Yes No None
0240-
10499DaimlerChrysler Insurance Company Yes No
Name changed from
Chrysler Insurance
Company 6-30-01.
1124–349
24Dakota Truck Underwriters Yes No
Program effective 4-
25-14.
1129-
35408Delos Insurance Company Yes No
Name changed from
Siris America
Insurance Company
8-3-06.140-
42587Depositors Insurance Company Yes No
Program effective 7-1-
11.
0164-
36463
Discover Property & Casualty
Insurance CompanyYes Yes None
0250–136
92Donegal Mutual Insurance Company Yes No
Program effective 10-
1-15.
3158-
13019
Eastern Advantage Assurance
CompanyYes No
Program effective 2-1-
09.
3158-
10724Eastern Alliance Insurance Company Yes No
Program effective 11-
1-08.
0828-
14702EastGuard Insurance Company Yes No
Program effective 8-1-
03.
0057-
21261Electric Insurance Company Yes No
Program effective 1-1-
02.
0062-
25186EMC Property & Casualty Company Yes No
Program effective 12-
1-17
0062-
21407EMCASCO Insurance Company Yes No None
3363 -
25402Employers Assurance Company Yes No
Program effective 7-1-
14.
6
Insurers that are licensed filed to write Workers Compensation Insurance in Michigan
5-17-18
NAIC # Active Company Name Standard Excess Notes
3363–115
12
Employers Compensation Insurance
Co.Yes No
Program effective 7-1-
14.
0044-
20648Employers Fire Insurance Co. Yes No None
0111-
21458Employers Ins. of Wausau Yes Yes None
0062-
21415Employers Mutual Casualty Co. Yes No None
3363–103
46Employers Preferred Insurance Co. Yes No
Program effective 7-1-
14.
0350-
39845Employers Reinsurance Corp. Yes Yes None
1120-
16044Everest Denali Insurance Company Yes No
Program effective 10-
1-17.
1120-
10120Everest National Insurance Co. Yes Yes
Standard program
effective 5-1-01.
Excess program
effective 8-1-03.1120-
16045Everest Premier Insurance Company Yes No
Program effective 10-
1-17.
0959-
12750Evergreen National Ind. Co. Yes No None
0922-
40029Explore Insurance Co Yes No
Program effective 5-1-
16.
0158-
18864Fairmont Insurance Company Yes No None
0540-
25518
Fairmont Premier Insurance
CompanyYes No None
3494-
31925
Falls Lake National Insurance
CompanyYes No
Program effective 5-
30-16.
0067-
21547Farm Bureau General of Michigan Yes No None
0067-
21555Farm Bureau Mutual of Michigan Yes No None
0212-
21652Farmers Insurance Exchange Yes No None
0903-
41483Farmington Casualty Company Yes No None
0140-
13838Farmland Mutual Ins. Co. Yes No None
0474-
10178FCCI Insurance Company Yes No
Program effective 8-1-
07.
0038-
20281Federal Insurance Company Yes Yes None
7
Insurers that are licensed filed to write Workers Compensation Insurance in Michigan
5-17-18
NAIC # Active Company Name Standard Excess Notes
0007-
13935Federated Mutual Ins. Co. Yes No None
0000-
11118Federated Rural Electric Ins. Ex. Yes No None
0007-
28304Federated Service Ins. Co. Yes No
Program effective 3-1-
00.
0218-
35270Fidelity & Casualty Co. of NY Yes No None
0212-
19313Fidelity & Deposit Co. of Maryland Yes No None
0164-
35386Fidelity & Guaranty Ins. Co. Yes No None
0164-
25879Fidelity & Guaranty Underwriters Yes No None
0553-
24880Fire & Casualty Ins. Co. of CT Yes No None
0069-
21660Fire Insurance Exchange Yes No
Program effective 9-1-
17.
0761-
21873Fireman's Fund Ins. Co. Yes Yes None
0761-
37273Fireman's Fund Ins. Co. of WI Yes Yes None
0218-
20850Firemen's Ins. Co. of Newark, NJ Yes No None
0098-
21784
Firemans Insurance Company of
Washington DCYes No
Program effective 10-
4-13.
1124-
10351First Dakota Indemnity Company Yes No
Program effective 5-
13-14.
0111-
33588First Liberty Insurance Corporation Yes No None
0163-
24724First National Ins. Co. of AM Yes No None
0349-
13978Florists Mutual Ins. Co. Yes No None
212-
11185
Foremost Insurance Company of
Grand Rapids MIYes No
Program effective 7-1-
13.
212-
11800
Foremost Property & Casualty
Insurance CompanyYes No
Program effective 7-1-
13.
212-
41513
Foremost Signature Insurance
CompanyYes No
Program effective 7-1-
13.
0000-
11600Frank Winston Crum Insurance, Inc. Yes No
Program effective 9-
23-11.
1309-
13986Frankenmuth Mutual Ins. Co. Yes No None
8
Insurers that are licensed filed to write Workers Compensation Insurance in Michigan
5-17-18
NAIC # Active Company Name Standard Excess Notes
1631-
32271Freestone Insurance Company Yes No
Name changed from
Dallas National
Insurance Company
7-26-13.0790-
13994Fremont Insurance Company Yes No None
0000-
28339Gateway Insurance Company Yes No
Program effective 4-
17-09.
0400-
24414General Casualty Ins. Co. Of WI Yes No None
0163-
24732General Ins. Co. Of America Yes No None
0031-
22039General Reinsurance Corp. No Yes None
0749-
16063General Security Ins. Co. No Yes
Excess program
effective 8-9-99.
0031-
38962Genesis Insurance Company Yes No
Merged with Fairfield
Insurance Company
12-31-12.
0553-
24600Globe Indemnity Company Yes No None
0267-
11136
Grange Insurance Company of
MichiganYes No
Program effective 1-1-
02.
0267-
11136
Grange Insurance Company of
MichiganYes No
Program effective 1-1-
02.
1208-
36307Gray Insurance Company No Yes
Excess program
effective 10-22-15,
Filed standard
program effective 4-6-
170012-
23809Granite State Insurance Company Yes No None
0084-
26832Great American Alliance Ins Co Yes No
Name changed from
American Alliance
Ins. Co. 8-17-00.
0084-
26344Great American Assurance Co Yes No
Name changed from
Agricultural Ins. Co. 8-
17-00.
0084-
16691Great American Ins. Co. Yes No None
9
Insurers that are licensed filed to write Workers Compensation Insurance in Michigan
5-17-18
NAIC # Active Company Name Standard Excess Notes
0084-
22136Great American Ins Co of NY Yes No
Name changed from
American National
Fire Ins. Co. 11-17-
00.0098-
25224Great Divide Insurance Company Yes No
Program effective 1-
15-05.
0000-
18694Great Midwest Ins. Co. Yes No None
0038-
20303Great Northern Ins. Co. Yes No None
0150-
11371Great West Casualty Company Yes Yes None
0222-
22187Greater New York Mutual Ins. Co. Yes No None
0048-
22322Greenwich Insurance Company Yes Yes
Program effective 11-
30-99.
0553-
40541Grocers Insurance Company Yes No None
0303-
15032GuideOne Mutual Ins. Co. Yes No None
0041-
22217Gulf Insurance Company Yes No None
0062-
14125Hamilton Mutual Insurance Company Yes No
Program effective 8-1-
11. Merged into
Employers Mutual
Casualty Co 1-1-18.
0088-
36064
Hanover American Insurance
CompanyYes No
Program effective 5-1-
13.
0088-
22292Hanover Insurance Company Yes No None
0225-
26433Harco National Insurance Co. Yes No None
0253-
23582Harleysville Insurance Company Yes No
Name changed from
Minnesota Fire &
Casualty Insurance
Company 7-1-01.
0253-
14516
Harleysville Lake States Insurance
CompanyYes No
Name changed from
Lake States
Insurance Company
7-1-01.0253-
14168
Harleysville Mutual Insurance
CompanyYes No
Program effective 6-
15-08.
10
Insurers that are licensed filed to write Workers Compensation Insurance in Michigan
5-17-18
NAIC # Active Company Name Standard Excess Notes
0253-
35696
Harleysville Preferred Insurance
CompanyYes No
Name changed from
Huron Insurance
Company 7-1-01.
0253-
26182
Harleysville Worcester Insurance
CompanyYes No
Name changed from
Huron Insurance
Company 7-1-01.
0091-
22357
Hartford Accident & Indemnity
CompanyYes No None
0091-
29424Hartford Casualty Ins. Co. Yes Yes None
0091-
19682Hartford Fire Insurance Company Yes No None
0091-
37478Hartford Ins. Co. of the Midwest Yes No None
0091-
22373Hartford Underwriters Ins. Co. Yes No None
0000-
14176Hastings Mutual Ins. Co. Yes No None
0517-
41343HDI Global Insurance Company Yes No
Name changed from
HDI Global Ins Co
effective 1-1-16
1116-
22489Highlands Insurance Company Yes No None
0280-
26638Home-Owners Ins. Co. Yes No None
0012-
23817Illinois National Ins. Co. Yes No None
3499-
11487
Imperial Casualty and Indemnity
CompanyYes No
Program effective 7-1-
09.0626-
43575Indemnity Ins. Co. of North AM Yes No None
0111-
22659Indiana Insurance Company Yes No None
0246-
14265Indiana Lumbermens Mutual Yes No None
222-
22195Insurance Co. of Greater New York Yes No
Program effective 10-
1-09.
0626-
22713Insurance Co. of North America Yes No None
0012-
19429Ins. Co. of the State of Penn Yes No None
0922-
27847Insurance Company of the West Yes No
Program effective 1-1-
11.
11
Insurers that are licensed filed to write Workers Compensation Insurance in Michigan
5-17-18
NAIC # Active Company Name Standard Excess Notes
0966-
10927Insurance Corporation of America Yes No
Program effective 1-1-
00.
0517-
37257Insurance Corporation of Hannover No Yes
Excess program
effective 3-31-01.
0150-
24139
International Business & Mercantile
Reassurance Co.Yes No None
0098-
10749Intrepid Insurance Company Yes No
Program effective 10-
1-16
0218-
20885Kansas City Fire & Marine Yes No None
4829-
20621Lamorak Insurance Company Yes Yes
Name changed from
OneBeacon America
Ins Co 2-9-15.
0111-
42404Liberty Insurance Corporation Yes Yes None
0111-
23035Liberty Mutual Fire Ins. Co. Yes No None
0111-
23043Liberty Mutual Insurance Company Yes No None
0111-
33600LM Insurance Corporation Yes Yes None
0000-
23108Lumbermen's Underwriting Alliance Yes No None
0413-
42617MAG Mutual Insurance Company Yes No
Program effecive 1-1-
18.
0767-
36897
Manufacturers Alliance Insurance
CompanyYes No None
0000-
12824
Manufacturing Technology Mutual
Insurance CompanyYes Yes
Program effective 1-1-
07. Excess program
effective 10-20-16.
0785-
38970Markel Insurance Company Yes No
Program effective 1-1-
11.
0088-
22306Massachusetts Bay Ins. Co. Yes No None
1332-
11030Memic Indemnity Company Yes No
Program effective 7-
30-06.
0226-
2337
Merchants Insurance Company of
New HampshireYes No
Program effective 6-1-
05.
0226-
23329
Merchants Mutual Insurance
CompanyYes No
Program effective 6-1-
05.
0226-
12901
Merchants Preferred Insurance
CompanyYes No
Program effective 9-1-
07.
12
Insurers that are licensed filed to write Workers Compensation Insurance in Michigan
5-17-18
NAIC # Active Company Name Standard Excess Notes
0122-
10502Meridian Citizens Mutual Ins. Co. Yes No None
0122-
23353Meridian Security Ins. Co. Yes No None
0079-
38601MIC Property & Casualty Ins. Co. Yes No None
0000-
10998
Michigan Commercial Insurance
MutualYes No
Name change from
Michigan
Construction Industry
Mutual 9-11-08.
1243-
10857Michigan Insurance Company Yes Yes
Excess program
effective 1-1-09.
0000-
14508Michigan Millers Mutual Ins. Co. Yes No None
0212-
21687Mid-Century Insurance Company Yes No None
0169-
23434Middlesex Insurance Company Yes No None
0098-
23612Midwest Employers Casualty Co. Yes Yes None
2538-
26662Milford Casualty Ins Co Yes No
Program effective 5-1-
14. Name changed
from Milwaukee
Casualty 8-28-17.
2978-
20362
Mitsui Sumitomo Company of
AmericaYes Yes
Name changed from
Mitsui Sumitomo Ins.
Co. of America 7-1-
03.
2978-
22551Mitsui Sumitomo Insurance USA Yes Yes
Name changed from
Mitsui Marine & Fire
Ins Co of America 7-
1-03.0474-
32506Monroe Guaranty Ins. Co. Yes No None
1333-
10291
Motorists Commercial Insurance
CompanyYes No
Name changed from
American Hardware
Mutual Insurance
Company 8-12-11.
0291-
14621Motorists Mutual Insurance Company Yes No
Program effective 6-
13-08.
0227-
23647Mutual Service Casualty Ins. Co. Yes No None
13
Insurers that are licensed filed to write Workers Compensation Insurance in Michigan
5-17-18
NAIC # Active Company Name Standard Excess Notes
0311-
14788NGM Insurance Company Yes No
Program effective 3-1-
09.
0000-
27905NLC Mutual Insurance Company No Yes None
1116-
29785NN Insurance Company Yes No None
0000-
23663National American Ins. Co. Yes No None
0218-
20893National-Ben Franklin Ins. Co.(IL) Yes No None
0129-
16217National Farmers Union P & C Yes No None
0129-
23752National Farmers Union Standard Yes No None
0218-
20478National Fire Ins. Co. of Hartford Yes No None
0084-
32620
National Interstate Insurance
CompanyYes No
Program effective 2-1-
03.
0084-
11051
National Interstate Insurance
Company of HawaiiYes No
Program effective 12-
1-07.
0031-
20052
National Liability & Fire Insurance
CompanyYes No
Program effective 10-
1-14.
0031-
34835National Reinsurance Corporation No Yes None
0093 -
22608
National Specialty Insurance
CompanyYes No
Program effective 7-
24-12.
0761-
21881National Surety Corporation Yes Yes None
0474-
20141National Trust Insurance Company Yes No
Program effective 8-1-
07.
0012-
19445National Union Fire Ins. Co. (Pitt) Yes Yes None
0140-
28223Nationwide Agribusiness Ins. Co. Yes No None
0140-
23779Nationwide Mutual Fire Ins. Co. Yes No None
0140-
23787Nationwide Mutual Insurance Co. Yes No None
0180-
37877
Nationwide Property & Casualty
Insurance CompanyYes No
Program effective 9-
16-06.
0111-
24171Netherlands Insurance Company Yes No None
0012-
23833New Hampshire Indemnity Co. Yes No None
14
Insurers that are licensed filed to write Workers Compensation Insurance in Michigan
5-17-18
NAIC # Active Company Name Standard Excess Notes
0012-
23841New Hampshire Insurance Co. Yes No None
0256-
16608
New York Marine and Genral
Insurance CompanyYes Yes
Standard program
effective 12-16-00.
Excess program
effective 8-21-09.0218-
35106Niagara Fire Insurance Company Yes No None
2558-
27073
Nipponkoa Insurance Company, Ltd.
(U. S. Branch)Yes No
Name changed from
Nippon Fire & Marine
Ins. Co 1-25-02.
0828-
31470NorGuard Insurance Company Yes No
Program effective 8-1-
00.
0181-
29700
North American Elite Insurance
CompanyYes No
Program effective 7-1-
07.
0181-
29874North American Specialty Ins. Co. Yes Yes None
0855-
27740North Pointe Insurance Company Yes No None
0158-
21105North River Insurance Co. Yes Yes None
0164-
19224Northbrook Property & Casualty Yes No None
1116-
23906Northwestern National Casualty Yes No None
4257-
42552Nova Casualty Company Yes No
Program effective 4-2-
08.
0031-
34630Oak River Insurance Company Yes No
Program effective 6-1-
15.
1129-
15645OBI America Insurance Company Yes No
Program effective 1-1-
17.
1129-
14190OBI National Insurance Company Yes No
Program effective 2-1-
13.
0148-
24074Ohio Casualty Insurance Company Yes No None
0228-
24104Ohio Farmers Insurance Company Yes No None
0148-
24082Ohio Security Insurance Company Yes No
Program effective 11-
1-99.
0150-
24139
Old Republic General Insurance
CorporationYes Yes
Excess program
effective 9-14-07.
0150-
24147Old Republic Insurance Company Yes Yes None
15
Insurers that are licensed filed to write Workers Compensation Insurance in Michigan
5-17-18
NAIC # Active Company Name Standard Excess Notes
0044-
20621
OneBeacon America Insurance
CompanyYes Yes
Name changed from
Commercial Union
Insurance Company
8-28-01.
0044-
21970OneBeacon Insurance Company Yes Yes
Name changed from
CGU Insurance
Company 8-28-01.
0626-
22748Pacific Employers Insurance Co. Yes No None
0038-
20346Pacific Indemnity Company Yes No None
0000-
13439Partners Mutual Insurance Co. Yes No None
0169-
23442Patriot General Insurance Co. Yes No
Program effective 2-1-
00.
0111-
18333
Peerless Indemnity Insurance
Company Yes No
Program effective 1-1-
08.
0111-
24198Peerless Insurance Company Yes No None
0099-
14982Penn Millers Insurance Company Yes No None
0044-
21962Pennsylvania Insurance Company Yes No
Name changed from
Pennsylvania
General Insurance
Company 8-25-99,
Name changed to
General Accident
Insurance Company
8-28-01, Name
changed from
Pennsylvania
General Insurance
Company 12-10-12.
0000-
14974Pennsylvania Lumbermens Mutual Yes No None
0767-
12262Pennsylvania Manufacturers Assoc. Yes No None
0767-
41424
Pennsylvania Manufacturers
Indemnity CompanyYes No
Program effective 11-
15-04.
0271-
14990Pennsylvania National Mutual Cas. Yes No None
0000-
12297Petroleum Casualty Company Yes No None
16
Insurers that are licensed filed to write Workers Compensation Insurance in Michigan
5-17-18
NAIC # Active Company Name Standard Excess Notes
0775-
13714Pharmacists Mutual Ins. Co. Yes No None
0041-
25623Phoenix Insurance Company Yes No None
0553-
35262
Phoenix Assurance Company of New
YorkYes No
Program effective 1-1-
02.
0000-
18309Pioneer State Mutual Ins. Co. Yes No None
0175-
30945Plaza Insurance Company Yes Yes
Program effective 1-1-
10, Excess program
effective 2-1-10.
0044-
40134Potomac Ins. Co. of Illinois Yes No None
0517-
37257Praetorian Insurance Company Yes No
Program effective 9-1-
06.
0000-
36234Preferred Professionals Ins. Co. Yes No None
3703-
15586Preserver Insurance Company Yes No
Program effective 1-1-
10.
1210-
42226Princeton Ins. Co. Yes No
Program effective 3-1-
99.
0091-
34690
Property and Casualty Insurance
Company of HartfordYes No
Program effective 11-
15-08.
1154-
10638ProSelect Ins Co Yes Yes
MHA Ins Co merged
into ProSelect on 12-
31-17.
0867-
12416Protective Insurance Company Yes Yes None
3499-
28711
Providence Property & Casualty
CompanyYes No
Program effective 11-
15-04.
0156-
24295Providence Washington Ins. Co. Yes No None
0000-
39217QBE Insurance Corporation Yes Yes None
0158-
24384Ranger Insurance Company Yes No None
0000-
18538Red Rock Insurance Company Yes No
Name changed from
BancInsure, Inc 11-0031-
11673
Redwood Fire & Casuatly Insurance
CompanyYes No
Program effective 12-
1-14.
0400-
24449Regent Insurance Company Yes No None
17
Insurers that are licensed filed to write Workers Compensation Insurance in Michigan
5-17-18
NAIC # Active Company Name Standard Excess Notes
0201-
12475Republic-Franklin Insurance Co. Yes No None
0084-
22179
Republic Indemnity Insurance
Company of AmericaNo Yes None
0574-
31089Republic Western Insurance Co. Yes Yes None
0000-
12471Retailers Mutual Insurance Company Yes No
Program effective 1-1-
06.
098 -
36684Riverport Insurance Company Yes No
Program effective 4-
12-12.
0783-
13056RLI Insurance Company Yes No
Program effective 10-
15-10.
0457-
35505
Rockwood Casualty Insurance
CompanyYes Yes
Program effective 9-
15-11, Excess
program effective 5-
24-12.0553-
24678Royal Indemnity Company Yes No None
0553-
26980Royal Insurance Co. of America Yes Yes None
0000-
11134Rural Trust Insurance Company Yes No
Program effective 12-
1-15.
0000-
10823Sable Insurance Company Yes No None
0163-
24740SAFECO Ins. Co. of America Yes No None
0553-
24694Safeguard Insurance Company Yes No None
0074-
15105Safety First Insurance Company Yes Yes
Program effective 1-1-
02.
0867-
40460Sagamore Insurance Company Yes Yes
Program effective 7-1-
13. Excess program
effective 5-16-17
0074-
15105Safety National Casualty Corp. Yes Yes None
0164-
24767St. Paul Fire & Marine Ins. Co. Yes Yes None
0164-
24775St. Paul Guardian Insurance Co. Yes Yes None
0908-
41750
St. Paul Medical Liability Insurance
CompanyYes No None
0164-
24791St. Paul Mercury Insurance Co. Yes Yes None
18
Insurers that are licensed filed to write Workers Compensation Insurance in Michigan
5-17-18
NAIC # Active Company Name Standard Excess Notes
0164-
41521St. Paul Property & Casualty Ins. Yes Yes None
0217-
19224
St. Paul Protective Insurance
CompanyYes No None
0108-
15563SeaBright Ins. Co. Yes No
Program effective 4-1-
01, Name changed
from Kemper
Employers Ins Co 11-
20-03.0096-
22543Secura Insurance, A Mutual Co. Yes No None
0096-
10239Secura Supreme Ins Co Yes No None
0553-
24902Security Ins. Co. of Hartford Yes No None
2538-
19879Security National Ins Co Yes No
Program effective 5-1-
14.
0041-
22233Select Insurance Company Yes No None
0242-
12572
Selective Insurance Company of
AmericaYes No
Program effective 1-1-
11.
0242-
19259Selective Ins. Co. of S. Carolina Yes No None
0242-
39926Selective Ins. Co. of the Southeast Yes No None
0242-
26301Selective Way Insurance Company Yes No None
1271-
10936Seneca Ins. Co., Inc. Yes No None
0091-
11000Sentinel Insurance Company Limited Yes No
Program effective 1-1-
06.
0169-
28460Sentry Casualty Company Yes Yes
Program effective 1-1-
07.
0169-
24988Sentry Insurance, A Mutual Co. Yes Yes None
0169-
21180Sentry Select Insurance Company Yes No
Name changed from
John Deere Ins. Co.
10-1-99.
0009-
22985Sequoia Insurance Company Yes No None
4279-
11347SFM Mutual Insurance Company Yes No
Program effective 6-1-
07.0037-
11126
Sompo Japan Insurance Company of
AmericaYes No
Name changed from
Yasuda Fire &
19
Insurers that are licensed filed to write Workers Compensation Insurance in Michigan
5-17-18
NAIC # Active Company Name Standard Excess Notes
3219-
38997
Sompo Japan Fire & Marine
Insurance Company of AmericaYes No
Program effective 9-1-
08.
3489-
19216Southern Insurance Company Yes No
Program effective 8-1-
06.
1129-
20613Sparta Insurance Company Yes No
Program effective 1-1-
08.
0041-
19070Standard Fire Insurance Company Yes No None
0748-
18023Star Insurance Company Yes Yes None
4670-
16109Star Speciality Insurance Company Yes No
Program effective 1-1-
18.
4670-
38318Starr Indemnity & Liability Company Yes Yes
Standard program
effective 10-20-11.
Excess program filed
effective 2-20-14.
4725-
25496
StarStone National Insurance
CompanyYes No
Program effective 1-1-
17.
0175-
25135State Automobile Mutual Ins. Co. Yes No None
0175-
25127State Auto Property & Casualty Yes No None
0176-
25143State Farm Fire & Casualty Ins. Yes No None
0093-
12831
State National Insurance Company
Inc.Yes Yes
Program effective 3-1-
09. Excess Program
effective 8-13-13
0976 -
10340Stonington Insurance Company Yes No
Program effective 3-1-
12.
222-
11024Strathmore Insurance Company Yes No
Program effective 10-
1-09.
2538-
42376Technology Insurance Company Yes Yes
Standard program
effective 7-01-04.
Excess
programeffective 9-
15-07.0000-
12866T.H.E. Insurance Company Yes No
Program effective 2-
20-02.
1111-
25534TIG Insurance Company Yes Yes
American Safety
Casualty Ins Co
merged into it 6-30-
16
20
Insurers that are licensed filed to write Workers Compensation Insurance in Michigan
5-17-18
NAIC # Active Company Name Standard Excess Notes
1111-
25542TIG Insurance Co. Of Michigan Yes No None
1111-
25526TIG Insurance Corp. Of America Yes No None
1111-
25518TIG Premier Insurance Company Yes No None
3098-
32301TNUS Insurance Company Yes No
Program effective 5-1-
09.
3098-
10945
Tokio Marine America Insurance
CompanyYes No
Program effective 9-
26-12.
0950-
12904
Tokio Marine & Nichido Fire Ins. Co.
Ltd.Yes Yes
Name changed from
Tokio Marine & Fire
Ins. Co. Ltd. 12-29-
04.
0218-
20486Transcontinental Insurance Co. Yes No None
0225-
28886
Transguard Insurance Company of
America, Inc.Yes No
Program effective 1-1-
04.
0950-
41238Trans Pacific Insurance Company Yes No None
0084-
33014Transport Insurance Company Yes No None
0218-
20494Transportation Insurance Company Yes No None
0041-
19038Travelers Casualty & Surety Co. Yes Yes None
3548-
19046
Travelers Casualty Insurance
Company of AmericaYes No
Program effective 2-6-
06.
0041-
36137Travelers Commercial Ins. Co. Yes No None
3321-
40208
Travelers Commercial Casualty
CompanyYes No
Program effective 11-
5-03.
0041-
25658Travelers Indemnity Company Yes Yes None
0041-
25666Travelers Indemnity Co. Of AM Yes No None
0041-
25682Travelers Indemnity Co. Of Ct. Yes Yes None
0041-
39357Travelers Insurance Company Yes Yes None
3548-
25674
Travelers Property Casualty Company
of AmericaYes Yes
Name changed from
Travelers Indemnity
Co. of IL 1-1-04.
21
Insurers that are licensed filed to write Workers Compensation Insurance in Michigan
5-17-18
NAIC # Active Company Name Standard Excess Notes
0000-
28535Triangle Insurance Company, Inc Yes No
Program effective 7-1-
16.
0098-
31003Tri-State Ins Co of Minnesota Yes No
Program withdrawn
12-31-02, then refiled
effective 4-1-10.
0212-
21709Truck Insurance Exchange Yes No None
0091-
27120
Trumbull Insurance Company
(Hartford Insurance Group)Yes No
Program effective 11-
15-08.
0091-
29459Twin City Fire Insurance Company Yes No None
0781-
37893Ullico Casualty Company Yes No
Authority revoked 11-
21-13.
0098-
25844Union Insurance Company Yes No
Program effective 10-
4-13.
0062-
21423
Union Insurance Company of
ProvidenceYes No
Program effective 12-
1-17.
0164-
25887United States Fidelity & Guaranty Co. Yes Yes None
0158-
21113United States Fire Ins Co Yes Yes None
0232-
25895United States Liability Ins. Co. Yes No
Program effective 2-
15-00.
0053-
29157United Wisconsin Insurance Co. Yes No None
0215-
16063
Unitrin Auto & Home Insurance
CompanyNo Yes None
0212-
41181Universal Underwriters Ins. Co. Yes Yes None
0984-
29599U.S. Specialty Insurance Company Yes No
Program effective 8-
15-00.
0201-
25976Utica Mutual Insurance Co Yes No None
0212-
26611Valiant Insurance Company Yes No None
0218-
20508Valley Forge Insurance Co Yes No None
0000-
21172Vanliner Insurance Company Yes No None
0038-
20397Vigilant Insurance Company Yes No None
22
Insurers that are licensed filed to write Workers Compensation Insurance in Michigan
5-17-18
NAIC # Active Company Name Standard Excess Notes
0111-
26069Wausau Business Insurance Co. Yes No None
0111-
26042Wausau Underwriters Ins. Co. Yes No None
2538-
25011Wesco Insurance Company Yes Yes
Excess program
effective 9-15-07.
Standard program
effective 5-1-14.0148-
24090West American Insurance Co. Yes No None
1243-
15350
West Bend Mutual Insurance
CompanyYes Yes None
0228-
24112Westfield Insurance Company Yes No None
0228-
24120Westfield National Ins Co Yes No None
0350-
34207Westport Insurance Corporation Yes Yes None
0748-
25780Williamsburg National Ins Co Yes No None
0000-
31232Work First Casualty Company Yes No
Program effective 5-
12-07.
1285-
24554XL Insurance Company America Yes No
Program effective 1-1-
07.
1285-
37885XL Specialty Insurance Co Yes Yes
Name changed from
Intercargo Ins. Co.
11-23-99.
0336-
13269Zenith Insurance Company Yes No None
0212-
27855Zurich American Ins Co of IL Yes No None
0212-
16535Zurich American Ins Co Yes Yes
Merged with
Maryland Casualty
Co 12-31-15.
23
Recommended