Top St. Louis, MO Energy Companies (35)
Stanley Consultants is a global consulting engineering firm with over 110 years of experience. They provide innovative design, engineering, and program management services across various sectors, including energy, civil infrastructure, federal, and industrial markets. With a presence in 120 countries and all 50 U.S. states, the firm focuses on developing sustainable and efficient solutions to improve lives and support complex...
With over 2 billion tons of coal reserves, we are among the largest holders of coal reserves in the United States and our reserves can support over 75 years of production at our current production level. We operate three mining complexes in the Illinois Basin. Our mining complexes use highly efficient longwall mining systems. This highly productive mining method coupled with...
Founded in 1990, LS Power is a premier development, investment, and operating company focused on the North American power and energy infrastructure sector, with leading platforms across generation, transmission and energy transition solutions. Since inception, LS Power has developed or acquired over 47,000 MW of power generation, including utility-scale solar, wind, hydro, battery energy storage, and natural gas-fired facilities. Through...
Legrand is a global specialist in electrical and digital building infrastructures, dedicated to supporting technological, societal, and environmental change. The company improves lives by transforming the spaces where people live, work, and meet through the delivery of simple, innovative, and sustainable connected solutions. Their product range includes low-voltage electrical components, building control systems, lighting, and data power control for residential...
At Emerson, we’re passionate about what we do. By fusing decades of technology and engineering expertise, Emerson continues to solve some of the world’s most complex challenges with innovative solutions for customers in industrial, commercial, and residential markets. We recruit the greatest talent and apply the best technologies to benefit our customers worldwide. Automation Solutions is a leader in helping...
Central Power Systems & Services supplies and supports power-generation and power-distribution systems, industrial engines, construction and agricultural equipment, custom-manufactured products, and on-highway transportation services. The company also provides diesel-truck, heavy-equipment, and generator repair, rental equipment, and related technical support through locations across the central and southwestern United States. Its roots trace to a diesel business serving oil and gas, commercial...
K&A Engineering, part of K&A Power Group, is a power engineering and energy infrastructure firm serving utilities and related clients. The company provides engineering, consulting, EPC, project management, transmission, substation, distribution, protection and control, planning, and grid modernization services. Its work supports the development, delivery, and operation of critical electrical infrastructure across the United States and internationally.
Graybar, a Fortune 500 corporation and one of the largest employee-owned companies in North America, is a leader in the distribution of high quality electrical, communications and data networking products, and specializes in related supply chain management and logistics services. Through its network of 290 North American distribution facilities, it stocks and sells products from thousands of manufacturers, helping its...
Fabick Cat is the authorized dealer of Caterpillar equipment, prime and stand-by power systems, parts and service, compact construction, and rental equipment for major portions of Illinois, Missouri, the entire state of Wisconsin, and the Upper Peninsula of Michigan. They supply essential products, from machines that support infrastructure and farmers to emergency power generation, helping to make progress possible.
ENFRA is a national energy infrastructure and Energy-as-a-Service provider delivering vertically integrated engineering, construction, maintenance, asset management, and energy solutions. It serves mission-critical sectors including healthcare, higher education, and data centers, helping clients achieve measurable energy savings, reduce emissions, and build resilient infrastructure nationwide. Its mission is to deliver innovative solutions that empower customers and promote a sustainable future.
ENTRUST Solutions Group, an ENR Top 100 company, provides comprehensive and dependable engineering, consulting, and automation services to pipeline companies, gas and electric utilities, and industrial customers. With first-hand experience operating and maintaining energy infrastructure, our engineering professionals provide expertise in Pipeline Engineering, Integrity Services, Automation Integration, Electrical Design, Fiber & Broadband Communications, Industrial Solutions, and Process Safety Management. ENTRUST...
Legrand, North & Central America, one of Legrand S.A’s largest subsidiaries, is the global specialist in products and systems for electrical and digital building infrastructures. Our comprehensive offering of solutions for use in commercial, industrial, and residential markets makes us the premier choice for suppliers worldwide. A steady flow of inventive products with high added value is a prime vector...
EaglePicher Technologies develops and manufactures high-reliability battery systems and related power solutions for demanding defense, aviation, space, maritime, and other specialized applications. Its offerings include custom battery assemblies, battery-management systems, pyrotechnic devices, and specialty batteries for aircraft, rockets, missiles, satellites, and military equipment. The company combines research and development with advanced manufacturing to deliver mission-critical energy products for customers worldwide.
We're Ameren Corporation (AEE), a St. Louis-based, Fortune 500 company that powers the quality of life for millions of people throughout Illinois and Missouri. Ameren Illinois provides electric distribution and transmission service, as well as natural gas distribution service, while Ameren Missouri provides vertically integrated electric service, with generating capacity of over 10,200 megawatts, and natural gas distribution service. Combined,...
Kirby-Smith Machinery, Inc. is a leading distributor of heavy equipment and cranes in the central United States, serving the construction, mining, and industrial markets since 1983. As a full-service dealer, the company provides new, used, and rental industrial, road building, and construction equipment, including cranes, excavators, and dozers, while focusing on reliability and exceptional service for its clients.
Pivot Energy is a renewable energy provider and independent power producer that develops, finances, builds, owns, and manages solar and energy storage projects. Pivot leverages its renewable expertise to provide a range of unique offerings that accelerate the clean energy transition by helping companies and communities attain impactful decarbonization. Pivot is a US-based Certified B Corporation that proudly follows a...
Neumayer Equipment Company is a family-owned petroleum and energy services company serving commercial and retail fueling operations. Founded in 1934, it supplies petroleum equipment and parts and provides design/build, construction, installation, branding/imaging, financing, and maintenance. Its expertise covers underground and aboveground storage tanks, piping, bulk fueling systems, and dispensing equipment, with service delivered across Missouri and neighboring Midwestern states for...
Interco is an American global recycling company headquartered in St. Louis, Missouri with facilities in Missouri and Illinois. The company is an industry leader providing recycling services to companies throughout the western hemisphere. Interco has been recycling computer, batteries, metals, and electronics with a focused track record of innovation and integrity since 1996. The company specializes in the placement of...
GHD recognises and understands the world is constantly changing. We are committed to solving the world’s biggest challenges in the areas of water, energy and urbanisation. We are a global professional services company that leads through engineering, construction and architectural expertise. Our forward-looking, innovative approaches connect and sustain communities around the world. Delivering extraordinary social and economic outcomes, we are...
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