Clients

Our pipeline operator clients serve markets across the country. Our OQ and compliance services allow them to focus on improving their business while we keep their compliance tracking organized and accessible through VeriSource.

Companies we serve include:

AGL Services Company
Alliance Pipeline Inc.
Avista Utilities
Boardwalk Pipeline Partners, LP

• Texas Gas Transmission, LLC
• Gulf South Pipeline Company, LP
• Gulf Crossing Pipeline Company, LLC

CenterPoint Energy
Cheniere Energy, Inc.
Chesapeake Energy
Crosstex Energy Services
Cypress Pipleline LLC
DCP Midstream
Dominion East Ohio
Dominion Resources Services, Inc
Eagle Energy Development Company
Eagle Rock Energy
El Paso Corporation

• Tennessee Gas Pipeline
• Southern Natural Gas
• Cheyenne Plains
• Colorado Interstate Gas
• El Paso Natural Gas
• Mojave Pipeline
• Wyoming Interstate

Empire Generating Co., LLC
Energy Maintenance Services (EMS)
Energy Transfer Company

• Houston Pipeline

Enogex

• Enogex Gathering & Processing LLC (100%)
• Enogex Atoka LLC (100%), which owns Atoka Midstream LLC (50%)
• Enogex Gas Gathering LLC (100%)
• Enogex Products LLC (100%)

EX EL Pipeline, LLC
Gila River Power LP
Hawk Field Services
Iroquois Pipeline Operating Company
Kern River Gas Transmission
Lion Oil Trading and Transportation
Lynx Operating Co., Inc.
Monument Pipeline, LP
National Energy & Trade, LP

• Monument Pipeline LP
• Southshore Pipeline LP
• Mission Valley Pipeline LP
• Mission Pipeline LP
• Mission Natural Gas LP 

NiSource Gas Transmission and Storage

• Columbia Gas Transmission

Northeast Ohio Natural Gas
Northern Natural Gas
ONEOK Partners

• Midwestern Gas Transmission Company
• Viking Gas Transmission Company
• Guardian Pipeline, L.L.C.
• OkTex Pipeline Company, L.L.C.
• ONEOK WesTex Transmission, L.L.C.
• ONEOK Gas Storage, L.L.C.
• ONEOK Texas Gas Storage, L.L.C.
• ONEOK Gas Transportation, L.L.C.
• ONEOK Gas Gathering, L.L.C.
• ONEOK Partners Intermediate Limited Partnership
• Bear Paw Energy, LLC
• ONEOK Partners, L.P.
• ONEOK Partners GP, L.L.C.

Panhandle Energy

• Panhandle Eastern Pipeline
• Florida Gas Transmission
• Trunkline Gas
• Sea Robin Pipeline

PB Energy Storage Services, Inc./PB Power, Inc.
PetroLogistics Company, LLC
Praxair
Questar Pipeline Company
Sabco Operating Company
Sabine Pass LNG, LP
SandRidge Energy, Inc.
Sempra Midstream

• Bay Gas Storage
• Cameron Interstate Pipeline
• Liberty Gas Storage
• MS Hub Storage
• Southern Gas Transmission

Sinclair Transportation Company
Smith Production/SOTEX Fuels
Southcross Energy
Southern Star Central Gas Pipeline
Spectra Energy

• Texas Eastern Transmission
• Algonquin Gas Transmission
• Maritimes and Northeast Pipeline (M&N)
• East Tennessee Natural Gas
• Ozark Gas Transmission
• Ozark Gas Gathering

Tandem Energy Corporation
Tellus Operating Group
Torch Energy Services, Inc.
Trans-Union Interstate Pipeline, LP
TransCanada US
Transwestern Pipeline Company
Whiting Petroleum Corporation
Williams Gas Pipeline

• Northwest Pipeline
• Transco
• Gulfstream (50/50 with Spectra)