| # | Company | Employees |
|---|---|---|
| 1 |
Energizer Holdingsenergizerholdings.com
A global organization creating innovative products to improve lives, focused on serving customers, driving revenue, and delivering long-term value |
6,098 |
| 2 |
Peabody Energypeabodyenergy.com
Leading coal producer supplying essential materials for affordable energy generation and steel manufacturing with a strong focus on sustainability. |
3,106 |
| 3 |
Evergylinkedin.com
The company delivers energy to communities in Kansas and Missouri, prioritizing sustainability, safety, and a people-first mindset to empower a better future |
1,895 |
| 4 |
Arch Resources, Inccorenaturalresources.com
Producer and exporter of metallurgical and thermal coals, operating multiple mines and marine export terminals focused on seaborne markets. |
1,136 |
| 5 |
Aclaraaclara.com
A leading supplier of smart infrastructure solutions for water, gas, and electric utilities worldwide, offering devices, software, and services for efficient operations and customer engagement |
893 |
| 6 |
PROENERGYproenergyservices.com
Integrated service provider delivering cost-effective, safe, and reliable solutions to the global energy industry with offices in multiple countries |
866 |
| 7 |
Roeslein & Associatesroeslein.com
A global leader in engineering, procurement, and construction services, specializing in modularized plant facilities for various industries worldwide |
709 |
| 8 |
City Utilities of Springfieldcityutilities.net
A community-owned utility company in southwest Missouri providing electricity, natural gas, water, broadband, and transit services with competitive prices and hometown service |
624 |
| 9 |
MFA Oil Companymfaoil.com
A farmer-owned cooperative supplying fuels, lubricants & propane in multiple states, also operating convenience stores and tire franchises Visit website for more |
572 |
| 10 |
Associated Electric Cooperative Inc.aeci.org
This company provides wholesale power to electric cooperatives in Missouri, northeast Oklahoma, and southeast Iowa, serving over 900,000 customers |
523 |
| 11 |
EaglePicher Technologieseaglepicher.com
Leading producer of batteries and energetic devices. Serving mission-critical aerospace, defense, and aviation battery markets for over 80 years. Provides power solutions. |
518 |
| 12 | 326 | |
| 13 |
Milbank | Energy at Workmilbankworks.com
Engineers and manufactures electrical supplies, equipment, and solutions for utilities, contractors, and OEMs. Products include meter mounting equipment, meter sockets, and electrical enclosures. |
300 |
| 14 |
FutureFuel Chemical Companyfuturefuelcorporation.com
A leader in custom toll manufacturing of specialty chemicals and biodiesel, offering services from process analysis to full-scale production with sustainability focus |
277 |
| 15 |
Wallis Companieswallisco.com
Family-owned petroleum distributor and convenience store operator with 70+ locations in the Midwest, offering custom solutions for businesses with six divisions Proudly WBE certified |
255 |
| 16 |
NorthStar Batterynorthstarbattery.com
Designs, manufactures, and deploys innovative batteries and site solutions, providing reliable power for telecom, UPS, and engine start applications globally. |
173 |
| 17 |
Martin Energy Groupmartinenergygroup.com
A leading energy solutions provider with over 40 years of experience, specializing in generator packages, CHP systems, microgrids, and anaerobic digester design & construction |
124 |
| 18 |
IBPibpmidwest.com
Providing energy solutions including motive power, critical power, and EV charging services across multiple locations since 1977. |
70 |
| 19 |
Veregy, formerly CTS Groupveregy.com
An energy services company dedicated to providing innovative, turnkey energy efficiency solutions for a comfortable, healthy environment in various markets |
56 |
| 20 |
Central Electric Power Cooperativecepc.net
Electric generation and transmission cooperative serving central Missouri, owned by eight distribution cooperatives and covering a 22,000 square mile area |
46 |
| 21 |
Farmers' Electric Cooperative, Inc.fec-co.com
Member-owned utility providing electric service to over 12,800 connections in nine northwest Missouri counties, with a focus on safety, member satisfaction, and reliable power delivery |
45 |
| 22 |
Roeslein Alternative Energyroesleinae.com
Innovating and delivering clean energy solutions that produce Renewable Natural Gas for industrial and agricultural operations, promoting energy independence |
45 |
| 23 |
CIC Group, Inccicgroup.com
Dedicated to advancing energy infrastructure through engineering, construction solutions, and thermal design for various markets, with a focus on client success |
43 |
| 24 |
Bourne's Energybournesenergy.com
A local energy provider offering fuel oil, propane, kerosene, diesel, and wood pellets with a focus on exceptional service, greener choices, and energy efficiency |
42 |
| 25 |
Foley Power Solutionsfoleyeq.com
Foley Power Solutions provides power equipment, generators, solar microgrids, and zero emission vehicle solutions to support communities in building a better world |
26 |
| 26 |
Crawford Electric Cooperative, Inc.crawfordelec.com
An utilities company operating out of Missouri, specializing in electric services for residential and commercial customers |
24 |
| 27 |
HCI ENERGYevoltixenergy.com
HCI Energy offers eco-friendly, turnkey power solutions worldwide, utilizing renewable sources and advanced technology to ensure reliable, uninterrupted energy for critical operations |
21 |
| 28 |
AXEL AMERICAS, LLCaxelamericas.com
Oil & energy company headquartered in North Kansas City, MO, specializing in the exploration, production, and distribution of energy resources |
18 |
| 29 |
M & A Electric Power Cooperativemaelectric.com
An electric power cooperative in Poplar Bluff, Missouri, providing generation and transmission services to four member-owned distribution cooperatives in Southeast Missouri |
11 |
| 30 |
Cor Solar and Electriccorsolar.com
A leader in energy efficiencies providing solutions to reduce expenses, improve project management, and help businesses become more environmentally responsible |
9 |
| 31 |
That Solar Company llcthatsolarllc.com
This company offers individuals the chance to contribute to environmental conservation, save costs, and access a dependable renewable energy source |
8 |
| 32 |
Alston Power
Global energy leader specializing in power generation using a variety of sources like gas, coal, wind, solar, nuclear, hydro, and geothermal power |
7 |
| 33 |
Dynamic EVCdynamicevc.com
A provider of electric vehicle charging technology and infrastructure, offering solutions for EV owners, businesses, governments, and more, with a focus on innovation and customer support |
5 |
| 34 |
Engergizer Battery Coenergizer.com
Manufactures and markets batteries, battery chargers, flashlights, and lighting products for consumer, industrial, and specialty applications worldwide. |
3 |
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 2, 2026.
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The same list elsewhere in United States
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