Alabama Power Company
Alaska Electric Light & Power
Alliant Energy
Ameren CIPS
AmerenUE
Appalachian Power Company
Arizona Public Service Company
Atlantic City Electric Company
Baltimore Gas and Electric Co.
Boston Edison Co.
Carolina Power and Light Company
Centerior Energy Corporation*
Central Hudson Gas & Electric
Central Illinois Public Service
Central Louisiana Electric Co./CLECO*
Central Power and Light Company*
Central Vermont Public Service
Cincinnati Gas & Electric Company
Cinergy Corp
Citizens Utilities
Cleveland Electric Illuminating Co.*
Columbus Southern Power Co.*
Commonwealth Edison Company
Connectiv
Consolidated Edison
Consumers Energy
Consumers Power
CP National
Dayton Power and Light Company*
Delmarva Power and Light Co.
Detroit Edison
Duke Energy Corporatioin
Duquesne Light Company
El Paso Electric*
Empire District Electric Company*
Florida Power Corporation
Florida Power and Light Company*
Georgia Power Company
Gulf Power Company*
Gulf States Utilities
Hawaiian Electric Company*
Houston Lighting and Power Co.*
Idaho Power Company
IES Utilities
Illinois Power
Indiana-Michigan Electric Co.
Indianapolis Power & Light Co.
Kansas Power and Light Company
Kansas City Power and Light
Kauai Electric Company*
Kentucky Utilities Company
Louisianna Power and Light Co.
Louisville Gas and Electric
Massachusetts Electric
Midwest Power Systems*
MidAmerican Energy
Minnesota Power Co.*
Mississippi Power Company*
Mississippi Power and Light Co.

Monongahela Power Company
Montana-Dakota Utilities
Montana Power Company*
Nevada Power Company
New England Power Service
New York State Electric and Gas Co.
Niagara Mohawk*
North Carolina Power*
Northeast Utilities
Northern Indiana Public Service Co.
Northern States Power Company
Ohio Edison
Ohio Power Company
Oklahoma Gas & Electric*
Orange & Rockland Utilities, Inc.
Otter Tail Power Company
Pacific Gas and Electric
Pacific Power and Light Company*
Pacificorp
Pennsylvania Electric Company
Pennsylvania Power Company
Pennsylvania Power and Light Co.
PECO Energy (Philadelphia Elec.)
Portland General Electric
Potomac Edison Company*
Potomac Electric Power Company
PSI Energy (Public Service of IN)*
Public Service Company of CO
Public Service Co. of NH
Public Service Company of NM*
Puget Sound Power and Light Co*.
Rochester Gas and Electric
San Diego Gas and Electric Co.
Savannah Electric and Power Co.
Sierra Pacific Power Company*
South Carolina Electric and Gas Co.*
Southern California Edison
Southwest Public Service Company
Southwestern Electric Power Co.
Tampa Electric Company*
Texas Power and Light Company
Toledo Edison
TU Electric*
Tucson Electric Power
Union Electric Company
United Illuminating*
Utah Power and Light Company
Virginia Power Company*
West Penn Power Company
West Plains Energy
West Virginia Power
West Texas Utilities
Wisconsin Electric Power Company
Wisconsin Power & Light Company
Wisconsin Public Service Company

Adams Electric Coop (IL)
Alaska Village Electric Cooperative
Amicalola EMC
Anoka Electric Cooperative (MN)
Benton County REC (IA)
Blue Ridge Electric Cooperative (SC)
Brazos Electric Cooperative
Buckeye Rural Electrical Coop. (OH)
Cass County Electric Cooperative*
Chugach Electric Association (AK)*
Cimmaron Electric Cooperative (NM)
Claverack REC (PA)
Clay Electric Cooperative (FL)*
Columbus Electric Cooperative (NM)
Consolidated Electric Cooperative, Inc. (OH)
Dairyland Power Cooperative (WI)
Delaware Electric Cooperative
Delta-Montrose Electric Association*
Duck River EMC (TN)
East Kentucky Power Cooperative
Electric Cooperatives of S.C.*
Electric Power Associations of MS*
Florida Electric Cooperatives Asso.*
Golden Valley Electric (AK)
Haywood EMC (NC)
Intermountain REA (CO)
Jackson EMC (GA)*

Kootenai Electric Coop (WA)
LaPlata Electric Association
Lee County Electrical Cooperative (FL)*
Lumbee River EMC (NC)*
Magic Valley Electric Cooperative (TX)
Meriwether Lewis electric Cooperative
Mohave Electric Cooperatives
Moonlake Electric Association (UT)
NC Association of Electric Coop.*
North Central Mississippi EPA
North Dakota Association of REC*
Okefenokee REMC (GA)
Owen County REC (KY)
Plateau Electric Coop (TN)
Rappahanock Electric Cooperative*
Rural Electric Company (WY)
Santee Cooper/SC Pub. Serv. Authority*
Southwest Electric Cooperative
SW Tennessee Membership Cooperative
Sumter Electric (FL)*
Three Notch Electric Cooperative
Tlingit-Haida REA (AK)
Tri-County Electric Cooperative
Virginia Association of Electric Coop.*
Withlacoochee River EC (FL)
Yampa Valley Electric (CO)

Alexandria Light and Power
American Municipal Power (OH)
Chelan County PUD (WA)
City Electric System of Key West*
City of Angoon,THREA, et al
City of Cleveland, Ohio*
City of Franklin (TN)
City of Fremont, Nebraska
City of Gainesville, Florida
City of Gastonia, North Carolina
City of Gillette, (WY)
City of Huntsville, Alabama
City of La Follette, Tennessee
City of Lakeland, Florida*
City of Lenior, Tennessee
City of Naperville (IL)
City of Petersburg, Alaska
City of Rockwood Tennessee
City of Smithville
City of Springfield*

City of Wrangell
Colorado Springs Utilities*
ElectriCities of North Carolina*
Gainesville Regional Utilities
Jacksonville Electric Authority*
Kissimee Utility Authority
Knoxville Utilities Board (TN)
Los Angeles Dept. of Water and Power
Moticello Electric Plant Board
Owensboro Municipal Utilities
Painesville Power Company (OH)
Public Works Commission of Fayetteville (NC)
San Antonio City Public Service Board*
Seattle City Light*
Tacoma (WA) Public Utilities Light Division
Tennessee Valley Public Power Association*
Tennessee Valley Authority*
Turlock Irrigation District
U.S. Virgin Islands Dept. of Water and Power
Village of Prospect, Ohio

Ameritech
AT&T Communications
Bell Atlantic (Verison)
Cablevision (CT)
Carolina Telephone
Central Telephone Company of Virginia
Chesapeake & Potomac Telephone Co.
Chester Telphone Company*
Comcast Cablevision of Philadelphia
Cox Communications
Entergy Louisiana, Inc.
Entergy Mississippi, Inc.*
General Telephone Company
GTE Corp.
Hawaiian Telephone Company
Illinois Bell Telephone Company

Metricom, Inc.
New England Telephone Company
Ohio Cable Telecommunications
Sitka (Alaska) Telephone Company
South Central Bell Telephone Company
Southern Bell Telephone Company
South Western Bell Video Services, Inc.
Sprint/United (FL)
Telesat Cablevision Inc. (FL)
Telescripps Cablevision (KY)
Thomas Bay Power Authority
United Telephone Company of Kansas
US Cable
US West
Vision Cable
Wisconsin Bell Telephone Company

Attorney General, State of Hawaii
Attorney General, State of Iowa
Attorney General, State of Washington
California Public Utility Comm.*
Florida Department of Transportation
Kentucky Public Service Commission*
New York Power Authority*
New York State Dept. of Public Service*

Oregon Public Utility Commission
Tennessee Valley Authority*
Town of Garner (NC)
Town of Smithtown (NY)
US Army Corp of Engineers*
US Attorney General, (AZ, NC)
USDA Rural Utilities Services*
Virginia DOT

Aluminum Company of America (TX)
American Chrome & Chemical
AMFAC [Pioneer Mills](HI)
Amigo Stores (TX)
AKRO Corp (Ohio)
Boeing (TN)
Burndy
Burroughs Welcome (NC)
Carver Boats (NC)
Clearfield Conveyors
Coast Catamaran (Hobie Cat) (CA)
Commercial Companies
Consolidated Electrical Distributors
Cooper Power Systems
Dingess Rum Coal Company (WV)
Diversified Control Systems (NC)
Dixie Yarns (NC)
Eastern Lift Truck
Edwards Crane (NC)
Exxon (TX, WY)
Furst-McNess
General Injectibles
Global Stone
Hioki E.E. Corp. (MI)
Hostert Fotomata (PA)
IBM
INCO (WV)
Ingalls Shipbuilding
Intalco (WA)
International Power Devices
Louisville Ladder (KY)

LWG Corp.
Mallinckrodt
Maytag
MESA Petroleum
Mitsubishi Semiconductor America, Inc. (NC)
Mobile Tool International, Inc., et al.
Northern Telecom
Optical World
Osmose Wood Preserving (NY)
Piezo Electric Products
Pioneer Mills (HI)
RJ Reynolds Industries, Inc. (NC)
Royster-Clark, Inc. (NC)
Sara Lee (PA)
S&C Electric
Springer Peterson Roofing (FL)
St. Paul Fire & Marine Insurance
TAURUS Exploration
TEXACO
Texasgulf (NC)
Trane Company (PA)
Triplett Corporation (WV)
Underwriter’s Laboratories
US Cable
US Steel Mining Company
UTILX Corp.
Wayne Industries (AL)
Westex Roofing Company
Westinghouse Hanford (WA)
WNCT

Accident Reconstruction Analysis (NC)
Alaska Construction - (AK)
Coastal Distribution Contractors
Dillard Smith Construction (TN)
Electric Line Company (WV)
Fluor Daniel
FTI Corporation (MD)
Henkels & McCoy
Interstate Constructjon, Inc.
Kokosing Construction Company (MA)
Langley Construction
Lee Electrical Construction, Inc.
McCarter Electrical Company (NC)
Metric Constructors

Moore Electrical Construction (TX)
Mountain Power (MT)*
North Houston Pole Line (TX)
Parsons Brinckerhoff
Pike Electrical Contractors (NC, GA, OH, SC)*
Power Delivery Associates (GA)
Shaum Electric (NC)
Sumpter Builders (SC)
Utilicon
WakeMed
Williams Construction (MT)
WC Teas (TN)

American Electric Power Service Corp.*
American Public Power Association*
Central & Southwest Services, Inc.
Cinergy Services, Inc.
Cuyahoga County (OH) Court of Common Pleas
Duke University
Electric Council of New England*
Federated Rural Electric Insurance Co.*
Georgia Electrification Council*
Georgia Electric Membership Corporation*
Georgia EMC Engineering Association*
Indiana Electric Association*

Kentucky Association of Electric Cooperatives*
Kentucky Telephone Association*
Midwest Electric Distribution Exchange*
Municipal Association of South Carolina*
National Rural Electric Cooperative Assoc.*
North Dakota Power Use Council*
Northwest Lineman College*
Oklahoma Power & Communications Assooc.*
Progress Energy Service Corporation
United Telecom Council*