Company lists · Data refreshed September 2026

Top 25 Electric cooperative utilities based in the United States

RevenueBase identified 1,100 company matches for electric cooperative utilities associated with the United States as of September 2026 and tracks 63,013 professional contacts across them, including 24,306 with verified work emails. Madison is the largest hub.

This list covers company matches for electric cooperative utilities associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 16, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 16, 2026 How this list was built
1,100Companies
63,013Contacts tracked
24,306Verified emails
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The 25 largest electric cooperative utilities based in the United States

Ranked by team size
Top 25 of 1,100 company matches for electric cooperative utilities based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 16, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchAtlanta, GA, United StatesHQ recorded Sep 16, 202610001+5,036 contacts →

Exact match

“High reliability, low prices and high customer satisfaction are cornerstones of our customer commitment, but it doesn't end there.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
2Exact matchPhoenix, AZ, United StatesHQ recorded Sep 16, 20265,001-10,0004,744 contacts →

Exact match

“APS is Arizona’s largest and longest serving electric utility, providing power for nearly 1.2 million customers in 11 of the state’s 15 counties.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
3Exact matchColorado Springs, CO, United StatesHQ recorded Sep 16, 20261,001-5,0001,675 contacts →

Exact match

“Colorado Springs Utilities is the largest community-owned, not-for-profit, four-service utility in the nation.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
4Exact matchAustin, TX, United StatesHQ recorded Sep 16, 20261,001-5,0001,499 contacts →

Exact match

“Austin Energy is one of the largest publicly owned electric utilities in the nation, providing low-cost reliable power to more than customers and more than 1 million residents.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
5Exact matchHonolulu, HI, United StatesHQ recorded Sep 16, 20261,001-5,0001,372 contacts →

Exact match

“Inspired by an enlightened king more than a century ago, Hawaii was an early adopter of electricity to light homes and power industry.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
6Exact matchLake Saint Louis, MO, United StatesHQ recorded Sep 16, 20261,001-5,0001,219 contacts →

Exact match

“National Information Solutions Cooperative (NISC) is an information technology organization that develops, implements and supports software and hardware solutions for our Members.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
7Exact matchBismarck, ND, United StatesHQ recorded Sep 16, 20261,001-5,000979 contacts →

Exact match

“OUR MISSION We provide wholesale energy and services to our member-owners.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
8Exact matchHouston, TX, United StatesHQ recorded Sep 16, 20261,001-5,000917 contacts →

Exact match

“Reliant has deep Texas roots.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
9Exact matchHerndon, VA, United StatesHQ recorded Sep 16, 2026501-1,000678 contacts →

Exact match

“NRTC is a member-driven cooperative that provides technology solutions to help more than 1,500 electric and telecom members bring all the advantages of today’s evolving technology…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
10Exact matchJohnson City, TX, United StatesHQ recorded Sep 16, 2026501-1,000677 contacts →

Exact match

“Based in Johnson City, Texas, Pedernales Electric Cooperative (PEC) is the largest distribution electric cooperative in the U.S.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
11Exact matchSpringfield, MO, United StatesHQ recorded Sep 16, 20261,001-5,000590 contacts →

Exact match

“City Utilities of Springfield (CU) is a progressive, community-owned utility serving southwest Missouri with electricity, natural gas, water, broadband and transit services.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
12Exact matchGainesville, FL, United StatesHQ recorded Sep 16, 2026501-1,000587 contacts →

Exact match

“Gainesville Regional Utilities (GRU) is a multi-service utility owned by the City of Gainesville and is the 5th largest municipal electric utility in Florida.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
13Exact matchNashville, TN, United StatesHQ recorded Sep 16, 2026501-1,000555 contacts →

Exact match

“Nashville Electric Service (NES) is one of the 11 largest public electric utilities in the nation, distributing energy to more than customers over a 700 square mile area in Middle…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
14Exact matchSpringfield, MO, United StatesHQ recorded Sep 16, 2026501-1,000476 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
15Exact matchLa Crosse, WI, United StatesHQ recorded Sep 16, 2026501-1,000472 contacts →

Exact match

“Providing safe, reliable, sustainable and affordable electricity for its cooperative members is the goal of Dairyland Power Cooperative.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
16Exact matchRochester, NY, United StatesHQ recorded Sep 16, 2026501-1,000437 contacts →

Exact match

“Rochester Gas and Electric (RG & E) was founded in 1848, and has been in the Rochester community ever since.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
17Exact matchEugene, OR, United StatesHQ recorded Sep 16, 2026501-1,000406 contacts →

Exact match

“Founded in 1911, we are Oregon's largest customer-owned utility.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
18Exact matchSalt Lake City, UT, United StatesHQ recorded Sep 16, 20265,001-10,000390 contacts →

Exact match

“At Rocky Mountain Power we believe in our promise of public service: an obligation to deliver safe, reliable electricity at an affordable price in an environmentally sustainable…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
19Exact matchTampa, FL, United StatesHQ recorded Sep 16, 2026201-500384 contacts →

Exact match

“Seminole Electric Cooperative is one of the largest generation and transmission (G&T) cooperatives in the country.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
20Exact matchChouteau, OK, United StatesHQ recorded Sep 16, 2026501-1,000381 contacts →

Exact match

“GRDA utilizes a diverse portfolio of electric generation assets to keep rates low and reliability high.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
21Exact matchDulles, VA, United StatesHQ recorded Sep 16, 2026201-500373 contacts →

Exact match

“Supporting America’s Electric Cooperatives and the Members They Serve * The National Rural Utilities Cooperative Finance Corporation (CFC) is a member-owned, nonprofit finance…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
22Exact matchTucker, GA, United StatesHQ recorded Sep 16, 2026201-500370 contacts →

Exact match

“Georgia Transmission is a not-for-profit electric cooperative that plans, builds and maintains more than miles of high-voltage power lines and more than 780 substations for 38…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
23Exact matchLittle Rock, AR, United StatesHQ recorded Sep 16, 2026501-1,000368 contacts →

Exact match

“Arkansas Electric Cooperative Corporation (AECC) is a generation and transmission cooperative headquartered in Little Rock, Arkansas.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
24Exact matchCorinth, TX, United StatesHQ recorded Sep 16, 2026501-1,000363 contacts →

Exact match

“CoServ is an Electric Cooperative and Gas Distribution company serving seven counties in North Texas with over combined electric and gas meters.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
25Exact matchSumterville, FL, United StatesHQ recorded Sep 16, 2026501-1,000344 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase

Showing 25 of 1,100 electric cooperative utilities based in the United States

See the full list, filter by size, metro and specialty, and access 24,306 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Electric cooperative utilities based in the United States at a glance

As of Sep 16, 2026
38.6%Verified-email coverage
57.3Average contacts per company
11-50Median size (employees)
0.7%Largest-city concentration · Madison
Sep 16, 2026Page data refreshed

Companies by employee count

1-10
228
11-50
347
51-200
395
201-500
84
501-1,000
27
1,001-5,000
14
5,001-10,000
3
10001+
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,100 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United States whose business descriptions match “electric cooperative utilities” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 24,306 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 16, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “electric cooperative utilities”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many electric cooperative utilities are there based in the United States?

RevenueBase identified 1,100 company matches for electric cooperative utilities associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Georgia Power Company tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most electric cooperative utilities?

Madison leads with 8 company records, followed by Arlington (7) and Cleveland (6).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 24,306 professional contacts with verified work emails tracked across these 1,100 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.