Utility Supply Companies in the United States

	Founded	Employees	Headquarters Location
Duke Energy Corporation	1904	10K - 50K	Charlotte, US
Baker Hughes	-	10000+	Houston, US
Dominion Energy	-	10000+	Richmond, US
DTE Energy	1903	10K - 50K	Detroit, US
Tennessee Valley Authority	1933	10000+	Knoxville, US
American Electric Power	1906	10K - 50K	Columbus, US
Con Edison	-	10000+	New York, US
The AES Corporation	1981	5.0K - 10K	Arlington, US
CenterPoint Energy	1866	10K - 50K	Houston, US
Arizona Public Service - APS	1886	5.0K - 10K	Phoenix, US
Consumers Energy	1886	5000-10000	Jackson, US
ComEd	1907	5.0K - 10K	Chicago, US
Ameren	1902	5.0K - 10K	St. Louis, US
Alabama Power Company	1906	5.0K - 10K	Birmingham, US
Bitcoin	2009	5000-10000	New York, US
Constellation	1999	1.0K - 5.0K	Baltimore, US
Berkshire Hathaway Energy	-	10000+	Des Moines, US
Atmos Energy	1906	1.0K - 5.0K	Dallas, US
Austin Energy	1895	1000-5000	Austin, US
Alliant Energy	1917	1000-5000	Madison, US
Colorado Springs Utilities	1922	100 - 250	Colorado Springs, US
TECO Energy	-	1000-5000	Tampa, US
CPS Energy	1942	1000-5000	San Antonio, US
El Paso Electric Company	1901	1.0K - 5.0K	US
City Utilities of Springfield	1945	250 - 500	Springfield, US
Edison International	-	10000+	Rosemead, US
Edison Mission Energy	2013	1 - 25	US
Telecommunication Industry	1790	10000+	New York, US
DTE ENERGY CORPORATE SERVICES, LLC	-	10000+	Detroit, US
TXU Energy	-	5000-10000	Irving, US
Direct Energy	2000	5000-10000	Houston, US
American Water	1886	5.0K - 10K	Camden, US
Avangrid	2015	5.0K - 10K	Orange, US
Formerly UIL Holdings (now part of Avangrid)	-	5000-10000	Orange, US
Aegion Corporation	1971	1.0K - 5.0K	St. Louis, US
AWP Safety	1981	5000-10000	North Canton, US
Dynegy	1984	1.0K - 5.0K	Irving, US
BHI Energy	1979	5.0K - 10K	Weymouth, US
Bartlett Nuclear	1979	5000-10000	Plymouth, US
Constellation Energy - Ginna Nuclear Station	-	5000-10000	US
Alabama Power Co.	-	5000-10000	Birmingham, US
Chesapeake Utilities Corporation	1859	500 - 1.0K	Dover, US
Dashiell Corporation	1960	25 - 100	Houston, US
DC Water	1996	100 - 250	Washington, US
Denver Water	1918	1000-5000	Denver, US
Duquesne Light Company	1880	1.0K - 5.0K	Pittsburgh, US
Central Maine Power Company	-	1000-5000	US
CLEAResult	2003	1.0K - 5.0K	Austin, US
California Water Service	1926	1000-5000	US
Aqua	-	1000-5000	Bryn Mawr, US
Calpine	1984	1.0K - 5.0K	Houston, US
Tri-State Generation and Transmission Association, Inc.	1952	25 - 100	Westminster, US
Black Hills Energy	1883	1000-5000	Rapid City, US
Tucson Electric Power	1892	1000-5000	Tucson, US
EPRI	1972	1.0K - 5.0K	Palo Alto, US
Tampa Electric	1899	100 - 250	Tampa, US
Baltimore Gas and Electric	-	1000-5000	Baltimore, US
Avista	-	1000-5000	Spokane, US
EBMUD	1923	25 - 100	Oakland, US
Atlanta Gas Light	1856	250 - 500	Atlanta, US
Citizens Energy Group	1887	1000-5000	Indianapolis, US
Badger Meter	1905	1.0K - 5.0K	Milwaukee, US
ADB Companies, LLC	1995	1000-5000	Pacific, US
Columbia Gas of Ohio	-	1000-5000	Columbus, US
Basin Electric Power Cooperative	1961	1.0K - 5.0K	Bismarck, US
Trees, LLC	1953	1000-5000	Houston, US
Texas Gas Service	1929	25 - 100	Austin, US
Tacoma Public Utilities	1893	1000-5000	Tacoma, US
Delmarva Power	-	1000-5000	US
Davis H. Elliot Company, Inc.	1946	1000-5000	Lexington, US
Central Hudson Gas & Electric Corp.	1926	25 - 100	Poughkeepsie, US
AEP Texas	-	1000-5000	Abilene, US
Boston Water & Sewer Commission	1977	500-1000	Boston, US
Central Hudson	1900	100 - 250	Poughkeepsie, US
Chelan County PUD	1936	500-1000	Wenatchee, US
Direct Energy Business	-	1000-5000	Pittsburgh, US
Conservice	2000	1.0K - 5.0K	River Heights, US
Corrpro Companies, Inc.	-	25 - 100	Houston, US
Ameron International	1907	1000-5000	Rancho Cucamonga, US
Tribus Services	1995	1000-5000	Wauwatosa, US
Armstrong International – Intelligent Solutions in Steam, Air and Hot Water	1900	1000-5000	Three Rivers, US
ACRT	1985	1000-5000	Stow, US
TAPP, inc.	1958	1000-5000	Spring, US
CAMS	2007	250 - 500	Houston, US
ACRT Pacific	2018	1000-5000	Valley Springs, US
T&D Solutions, LLC	2005	25 - 100	Alexadria, US
Alagasco	1852	250 - 500	Birmingham, US
ALLETE	1906	1.0K - 5.0K	Duluth, US
Allegheny Energy	-	1000-5000	US
The Townsend Company, LLC	1946	500 - 1.0K	Muncie, US
ACRT Services	2018	1000-5000	Stow, US
Crest Industries	1958	1000-5000	Pineville, US
Aqua Indiana Inc an Essential Utilities Company	-	1000-5000	Indianapolis, US
Appalachian Power Company	1926	1.0K - 5.0K	Columbus, US
Cleco Power LLC	1934	1000-5000	Pineville, US
Talen Energy Supply, LLC	2000	1000-5000	Allentown, US
Asplundh Engineering Services	2020	1000-5000	Willow Grove, US
Townsend Tree Service	1945	1000-5000	Muncie, US
ATC	-	500-1000	Waukesha, US