Member ListMembers

AAiken County Public Service Authority

Aiken Electric Cooperative

Air Liquide

Airgas Merchant Gases

Alligator Rural Water and Sewer

Amerecso Palmetto LLC

AmeriGas d.b.a. Blue Flame Gas

Anderson County Roads and Bridges

Anderson County Wastewater Department

Anderson Regional Joint Water System

ANMED Health

ARCADIS US, Inc

AT&T

Atlantic Broadband LLC

ATT/D

BBadger Daylighting

Bamberg Board of Public Works

Bamberg School District 1

Barrineau Public utilities, Inc

Batesburg Leesville Department of Public Works

Bath Water & Sewer District

Page 2 of 24

Member ListMembers

Beaufort County Public Works

Beaufort County Traffic Management Center

Beaufort Jasper Water and Sewer

Beech Island Rural Community Water & Sewer District

Belton‐Honea Path Water Authority Beaufort County Traffic Engineering

Berea Public Service District

Berkeley County Water and Sanitation Authority

Berkeley Electric Cooperative

Bethlehem‐Roanoke Water District

Bethune Rural Water

Beaufort County Traffic Management

Bhate ‐ Air Force

Big Creek & Hammond

Bigham Cable Construction

Black River Electric Cooperative

Blue Ridge Electric Cooperative

Blue Ridge Rural Water

Breezy Hill Water

Broad Creek PSD

Broad River Electric Cooperative

Broadway Water and Sewer District

Browns Creek Water

Browns Ferry Water

Page 3 of 24

Member ListMembers

Buckeye Partners

Bucksport Water System

Bull Swamp Rural Water

CCarolina Tap and Bore (Vendor

Carolina Water Services, Inc.

Calhoun County Municipal Water

Cassatt Water Company

CenturyLink (United Telephone of Carolinas)

Charleston Water System

Charter

Cherokee County Cogeneration

Chesnee Communications

Chester County Natural Gas

Chester County Wastewater Revocery

Chester Metropolitan District

Chester Telephone (TruVista)

Chesterfield County Rural Water

City of Abbeville

City of Aiken

City of Barnwell

City Of Belton

City of Bennettsville

Page 4 of 24

Member ListMembers

City of Bishopville

City of Camden

City of Cayce

City of Chesnee

City of Clemson Utilities Department

City of Clinton

City of Columbia

City of Conway Public Utilities

City of Darlington Water Department

City of Dillon

City of Denmark

City of Florence

City of Folly Beach

City of Georgetown

City of Goose Creek

City of Greenville

City of Hartsville

City of Inman

City of Johnsonville

City of Lancaster Public Works

City of Lake City

City of Liberty

City of Mauldin

Page 5 of 24

Member ListMembers

City of Manning

City of Myrtle Beach

City of Newberry

City of North Augusta

City of North Myrtle Beach

City of Pickens

City of Rock Hill

City of Simpsonville

City of Sumter

City of Tega Cay

City of Union

City of Walhalla

City of Walterboro

City of West Columbia

City of Westminster

City of Woodruff

City of York

Civil Engineering Consulting Services

Clearwater Water & Sewer

Clemson University

Clinton Newberry Natural Gas Authority

Coastal Electric Cooperative

College of Charleston

Page 6 of 24

Member ListMembers

College Acres Public Works

Colonial Pipeline

Comcast

Comcast Cablevision

Comcast Communications

Comporium

Condor Environmental,Inc

County of Dillon

Crown Castle Solutions Corporation

CUC Inc.

DDacusville Cedar Rock Company

Darlington County Water and Sewer

Daniel Morgan Water District

Daufuskie Island Utility Company

Defense Fuel Support Point

Department of Mental Health

Dewees Island POA Inc.

Dixie Pipeline

Dominion Carolina Gas Transmission

Donalds‐Due West Water & Sewer Authority

Dorchester County Water & Sewer

Dorchester Water Authority

Page 7 of 24

Member ListMembers

Douglas Pipeline

Draytonville Water Works, Inc

DueWest Public Works

Duke Energy Progress

Duke Energy Telecom

Duke Energy Telecommunication Division

EEasley Central Water District

Easley Combined Utility

East Richland County public Service

Edgefield County Water and Sewer

Edisto Electric Cooperative, Inc.

Elba Express Pipeline

Electric City Utilities

Extenet Systems

FFairfield Communications (TruVista)

Fairfield County School District

Fairfield Electric Cooperative

Farmers Telephone

Federal Enclave

Fern Forest Water Company

Ferrellgas

Page 8 of 24

Member ListMembers

Foremost Pipeline

Fort Hill Natural Gas

Fort Mill Telephone (Comporium)

Fountain Inn Natural Gas

Fripp Island Public Service District

Frontier Communications

GG&M Locating

Gaffney Board of Public Works

Gantt Fire, Sewer and Police District

Gaston Rural Communicty Water District

GE Gas Turbines, LLC

Georgetown County

Georgetown County Water and Sewer

Georgia Business Net Telecommunication

Gilbert‐Summit Rural Water District

Goat Island Water & Sewer

Goucher Water Company

Grand Strand Water & Sewer Authority

Grassy Pond Water Company

Green Earth Services

Greenville Gas Producers LLC

Greenville Water

Page 9 of 24

Member ListMembers

Greenwood CPW

Greenwood Metropolitan District

Greenwood School District 51

Greer CPW Groucher Water

HHamilton‐Haynes Water Works

Harbor Island Utilities, Inc

Hargray Communication

Hargray Inc.

Harbor Telephone Company

HEATH Consulting

High Hills Rural Water Company, Inc

Highway 88 Water District

Hilton Head PSD #1

Home Telecom

Home Telephone

Homeland Park Water & Sewer

Horry County Government

Horry Electric Cooperative, Inc

Horry Telephone Hotwire Communications

Hotwire Communications

Hyde Park Water Works Inc.

I

Page 10 of 24

Member ListMembers

Inman Campobello Water District

IFA‐Rotorion LLC

Infrastructure Consulting Engineering

Instacom

Isle of Palms Water and Sewer

ITC Deltacom (dba Earthlink Business)

JJacabb Utilities, LLC

James Island PSD

Joint Municipal Water & Sewer Comm

KKapstone Charleston Kraft,LLC

KCI Technologies INC

Kershaw County & Lee County Regional Water

Kershaw County Utilities

Kiawah Island Community Association Inc

Kiawah Island Utility

Kimberly Clark Corporation

Kinder Morgan Energy Partners L.P.(Plantation Pipeline)

LLake Marion Regional Water System

Lake Wylie Community Utilities

Lancaster County Natural Gas

Page 11 of 24

Member ListMembers

Lancaster County Water and Sewer District

Lancaster Telephone (Comporium)

Langley Water, Sewer, Fire District

Laurens County Water & Sewer Commission

Laurens CPW

Laurens Electric Cooperative

Level 3 Communications Liberty Chesnee Fingerville Water District

Liberty Chesnee Fingerville Water District

Little River Electric Cooperative, Inc.

Little River Water & Sewer Company Inc

Lockhart Power Company

Lonestar West Enterprises, LLC

LowCountry Regional Water System

Lugoff Elgin Water Authority

Kapstone Charleston Kraft,LLC

Lumos Networks

Lynches River Electric Cooperative

MMacedonia Water Works, Inc.

Magellan Midstream Partners L.P.

Marco Rural Water

Marietta Water & Sewer District

Marion County School District

Page 12 of 24

Member ListMembers

Marlboro Electric Cooperative, Inc

Marlboro Water Company

Marathon Petroleum

Master Utility Locating LLC

McClellanville Telephone (TDS Telecom)

McCormick Commission of Public Works

McCormick County Water and Sewer

MCI

Meansville Riley Water

Medical University of South Carolina

MetroConnects Sewer Subdistrict

Metropolitan Sub District Water and Sewer

Mid‐Carolina Electric

Mid‐County Water Company, Inc.

Moncks Corner Water Works

Montmorenci‐Couchton Water District

Mount Pleasant Water and Sewer Commission

Mulkey INC

NNestle' Waters North America Inc

Newberry County Water and Sewer Authority

Newberry Electric Cooperative

New Holland Rural Community Water

Page 13 of 24

Member ListMembers

Ninety Six Commission of Public Works

North Charleston Sewer District

Northland Cable Television‐Greenwood

Northland Cable Television

Norway Telephone (TDS Telecom)

NTI Net, Inc

OOcean 22 Development LLC

Ocean Lakes Family Campground

Oconee Focus

Oconee Joint Regional Sewer Authority

One Tone Telecom

Orangeburg County Broadband (W. Metts Engineering Company,Inc)

Orangeburg County Water and Sewer

Orangeburg DPU

PPalmetto Dunes POA

Palmetto Electric Cooperative

Palmetto Net

Palmetto Rural Telephone

Palmetto Utilities

Palmetto Wastewater Reclamation

Parker Sewer & Fire Subdistrict

Page 14 of 24

Member ListMembers

Patriots Energy Group

PBT Telecom Inc (Comporium)

Pee Dee Electric

Piedmont Natural Gas

Pioneer Water District

Piedmont Rural Telephone Cooperative

Pine Haven Water System

Plains Marketing L.P.

Plantation Pipeline

Poly‐Med, Inc.

Powdersville Water District PRAXAIR

PRAXAIR

Progress Energy (Subsidiary of Duke Energy)

QQH Lagoon

Qwest Communications (aka CenturyLink)

RReed Tech

Renewable Water Resources Richland School District Two

Richland County Utilities

Richland School District Two

Rocky Creek Water Company

Rural Community District of Georgetown County

Page 15 of 24

Member ListMembers

SSaluda County Water and Sewer

Saluda CPW

Sandhill Telephone Cooperative

Sandy Springs Water District

Santee Cooper

Santee Cooper Regional Water System

Santee Electric Cooperative

Santuck Herbon Water Company, Inc.

SC State Government (DSIT)

SCANA Communications

SCE&G Electric

SCE&G Gas

Scout Communications

SCTG Holdings LLC dba Spirit Communications

Seabrook Island POA

Seabrook Isle Utility Commission

Sea Pines Resort

Secession Golf

Seneca Light and Water

Siemens Industry, Inc.

Six Mile Water District

SJWD Water District

Page 16 of 24

Member ListMembers

Sliding Rock Water System, LLC

S&N Communications Inc

South Carolina DOT

South Island PSD

Southern Coastal Cable

Southern Natural Gas Company

Southside Water District

Spartanburg County Environmental

Spartanburg Sanitary Sewer

Spartanburg Water System

Sprint

Sprint‐Government Services (CCSI pays invoices)

St George Water Department

St Johns Water Company Starr‐Iva Water and Sewer District

St. Stephen Telephone (TDS Telecom)

Starr‐Iva Water & Sewer District

Summerville CPW

Synergy Utilities

Synergy One Locating LLC

TTalatha Rural Community Water District

Taylors Fire and Sewer District

Terradex

Page 17 of 24

Member ListMembers

TDS Telecom

The Sea Pine Resort

Time Warner Cable

TJ Barnwell Uility

Total Environmental Solutions, Inc

Tower Cloud, Inc

Town of Andrew

Town of Awendaw

Town of Bethune

Town of Blacksburg

Town of Branchville

Town of Calhoun Falls

Town of Carlisle

Town of Central

Town of Chapin

Town of Cheraw Public Utility Department

Town of Clover

Town of Coward

Town of Eastover

Town of Edisto Beach

Town of Estill

Town of Fairfax

Town of Fort Mill

Page 18 of 24

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Town of Gray Court

Town of Great Falls

Town of Greeleyville

Town of Harleyville

Town of Heath Springs

Town of Hemingway

Town of Hickory Grove

Town of Holly Hill

Town of Hollywood

Town of Honea Path

Town of Jackson

Town of Jefferson

Town of Jonesville

Town of Kershaw

Town of Kiawah Island

Town of Kingstree

Town of Lamar

Town of Lane

Town of Latta

Town of Lexington

Town of Lincolnville

Town of Lockhart

Town of Lyman

Page 19 of 24

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Town of Lyman ‐ Wellford

Town of Lynchburg

Town of McBee

Town of Meggett

Town of Monetta

Town of Mount Pleasant

Town of North

Town of Norway

Town of Olanta

Town of Pageland

Town of Pamplico

Town of Pelzer

Town of Pendleton

Town of Perry Water District

Town of Prosperity

Town of Ravenel

Town of Ridge Spring

Town of Ridgeland

Town of Ridgeville Water Department

Town of Saint Matthews

Town of Salem

Town of Salley

Town of Perry Water District

Page 20 of 24

Member ListMembers

Town of Santee

Town of Scranton

Town of Sharon

Town of Sullivans Island

Town of Summerton

Town of Stuckey

Town of Swansea

Town of Tryon

Town of Wagener

Town of Ware Shoals

Town of West Pelzer

Town of west Union Water Department

Town of Williston

Town of Williamston

Town of Winnsboro

TransMontaigne Inc.

Tri‐County Electric Cooperative

Trico Water Company

TruVista (Camden Corp Investments)

TW Telecom Xspedius

UUnion County Public Works ‐ North Carolina

University of South Carolina ‐ Columbia

Page 21 of 24

Member ListMembers

University of South Carolina UPSTATE

US Air Force

USC Upstate

Utility Damage Prevention Systems LLC

V

Valley Public Service Authority

W

Wade Hampton Fire and Sewer District

Wallace Water Company

Water Sewer Force Main

Water Supply Company

WC FIber, LLC

W Metts Enginnering

Wesley Commons

West Anderson Water Company

West Carolina Rural Telephone Wide Open West

Wide Open West (Knology of the Low Country)

Williams Transco Gas Pipeline (Transcontinential)

Williamsburg County Water & Sewer

Williston Telephone (TDS Telecom)

Page 22 of 24

Member ListMembers

Windstream Communication

Wrights Plumbing & Utilities

Woodruff‐Roebuck Water District

Y

York County Natural Gas

York County Water and Sewer

York Electric Cooperative

York School District 1

Z

Zayo Group

Board Member List

Board Members

Ansco and Associates, LLC

Foremost Pipeline

Infrastructure Consulting Engineering

Foremost Pipeline

Page 23 of 24

Member ListMembers

Contract Locator List

Contract Locator

G&M Locating

Heath Consulting

Instacom

Master Utility Locating, LLC

S&N Comminication Inc

South Communications

USIC

Utiliquest, LLC

Damage Researcher

Private Locator

Utility Damage Prevention Systems, LLC

Private Locator List

Private Locator

Page 24 of 24

Member ListMembers

Mulkey Inc

Reed Tech