Utility Companies

AGL Resources
American Electric Power
Anoka Electric Co-op
Arizona Public Service
Atmos Energy
Baltimore Gas & Electric
Bermuda Dept. of AG, Fish & Parks
Board of Water & Light
Brick Utilities
Cal Am. Water Comp.
California Water
Calif. Gold Dairy Products
Central Maine Power Co.
Central & SW Service
Light & Power
Chesapeake Utlitiy Corporation
Chino Basin Water Dist.
Choctawitatchee Electric
Chugach Electric
Clallam County
Cinergy Corporation
Citizens Utilities
City of Burbank
City of College Station
City of Denton
City of Henderson
City of Lakeland
City of Los Angeles, Housing Department
City of Mesa
City of Mesquite
City of Naperville
City of New Smyrna Beach
City of Ponca
City of Rock Hill
City Utilities of Springfield
Cox Communication
Dayton Power & Light
Delta Natural Gas Company
Douglas County PUD
Duke Power
Eastern Municipal Water District
Eastern Energy
East Central Electric
El Paso Electric Company
Exxon
Federal Corrections, US Courts
First Energy Corporation
Florida Power & Light
Florida Public Utility
Georgia Power
GPU Energy
Grand Canyon State Co-op
Grays Harbor
Hawaii Electric & Light
Hill-Rom Company
Hong Kong, Occupational Safety & Health Council
Houston Lighting & Power
ICG Propane
Iowa – American Water Co.
Kentucky Utilities
Kitchener – Wilmot Hydro
Lansing Board Water & Light
Las Vegas Valley Water District
Louisville Gas & Electric
Lincoln County Board of Utilities
Los Angeles Dept. of Water & Power
Loup Power District

Madison Suburban Utilities District
Magnolia Tree Co.
Manitoba Hydro
Massachusetts Electric
McKesson Water
Medina Electric Co-op.
Memphis Light, Gas & Water Metropolitan Water Dist.
Michigan Consolidated Gas Company
Midwest – Del City
Midwest Energy
Minnesota Valley Electric Corp.
Mission Valley Power
Milcrofton Utility
Montana Dakota Utility
Mountain Fuel Supply
Murfreesboro Electric
Narragansett Electric
National Animal Control Ass.
Nebraska Public Power
Nevada Power Co.
New Jersey Water Corp.
Newfoundland Power
Niagara Mohark Power Corp.
North Carolina Assoc. of Electric
North Marin Water Dist.
North Shore Gas
North York Hydro
Northern Plains Natural Gas
Northwest Pipeline
Ocala Electric
Ohio Edison
Olivenhain Water District
OREMC
Orange Rockland Utilities
Pacific Bell
PACIFICORP
Pacific Gas & Electric
Park Water Company
Pedernales Electric Co-op. Inc.
Peoples Energy
Philadelphia Suburban Water
Power Plant Maintenance
PSE&G
Progress Energy
Public Service of Colorado
Public Service of Oklahoma
Rhode Island Risk Management
Salt River Project
San Diego Gas & Electric
Sask Power
Schlumberger Industries
Sierra Pacific Power
SMUD
Southern Company
Southern California Edison
Southern California Gas
Southern California Water Company
Southern Maryland Electric
Southern Pine Power Assoc.
Southwest Electric Power Company
Southwest Gas Corp.
Specialized Technical Service. Inc.
Sumter Electric Company. Inc.
Sweetwater Authority
Tampa Electric
TCI Cablevision Colorado
TCI Cablevision of New York