Top Energy Companies (3,995)

Brandywine Valley Heating & Air Conditioning specializes in residential and commercial HVAC services, providing installation, service, and repair since 1993. Serving Chester County, they offer emergency services and design-build options for commercial and custom home projects. The company employs NATE-certified technicians and is known for its commitment to core values, community outreach, and high-quality workmanship.

Key Capture Energy identifies, develops, constructs and operates energy storage solutions to foster greater deployment of renewable energy, create a more stable electric grid, and provide value to all ratepayers. We comprehensively study the grid for geographically and electrically beneficial market opportunities and research and select the best technology solutions to meet the needs of an evolving energy landscape. We...

Boliden is a Swedish multinational metals, mining, and smelting company that focuses on the exploration, extraction, and sustainable recycling of base and precious metals.

Second Foundation is a tech company active in energy markets. A young company based in Prague that quickly grew into an international player in the modern energy sector, focusing on electricity trading, renewable energy production, battery storage, and flexible asset management. We operate at 25 markets from USA to Japan. With innovative proprietary technology and advanced trading algorithms, we are...

SECURE is a North American provider of energy and environmental waste-management infrastructure. It operates facilities and landfills across Western Canada and North Dakota, helping customers recover oil and metal, dispose of liquid and solid waste, recycle metals, water and oil, and reclaim contaminated land. Its integrated network supports industrial customers while reducing environmental impacts, costs, greenhouse-gas emissions, and operational and...

Factorial is transforming battery technology to enable safe, affordable, and manufacturable products for Mobility and Energy. Operating out of its world-class research and development facility in Woburn, MA

Acero Engineering Inc. is a Calgary-based, full-service engineering, procurement, and construction management (EPCM) company specializing in upstream oil and gas pipeline and facility development. Founded in 2006, the firm provides comprehensive solutions from concept evaluation to plant start-up. Their expertise includes gas processing facilities, pipeline and piping integrity, and regulatory compliance, delivering reliable solutions for complex projects locally and internationally.

REC Group is an international pioneering solar energy company founded in 1996, dedicated to empowering consumers with clean, affordable solar power. As a vertically integrated solar panel manufacturer, it produces silicon materials for photovoltaics and develops comprehensive solar energy solutions. Headquartered in Singapore, REC focuses on delivering high-quality, sustainable energy products to a global market.

Navantia UK is a maritime engineering and defence company that supports the UK's defence, security, and energy ambitions. As a subsidiary of the Spanish state-owned Navantia SA, it focuses on developing sovereign defence capabilities, modernising industrial facilities, and bolstering energy security. The company leverages global expertise in shipbuilding and ship repair, combining it with centuries of UK industrial heritage to...

The San Jacinto River Authority (SJRA) is a government agency created by the Texas Legislature in 1937. Its primary mission is to develop, conserve, and protect the water resources of the San Jacinto River basin, providing essential water supply and wastewater treatment services to the region.

Founded in 2007, Hays Electrical Services, Inc. is a leading national electrical contractor specializing in large-scale construction across commercial, healthcare, hospitality, and mission-critical infrastructure markets. Licensed in 38 states with over 1,500 employees, the company delivers sophisticated electrical solutions for high-rise and complex projects. Their mission is to be indispensable to customers through reliability, quality execution, and long-term partnerships.

We’re on a mission to eliminate waste for good, starting with the food that ends up in landfills. Did you know that more than half of the food in landfills comes from home kitchens (ReFED)? And food in landfills turns into methane – which is 80x more potent than CO2 over a 20-year period (IPCC). At Mill, we’re working to...

POWERX provides comprehensive electrical and power-system services for businesses nationwide. Its offerings include NETA field services, commissioning, maintenance, testing, engineering, consulting, regulatory and certification compliance, protection and control, system monitoring, diagnostics, and technical training. The company’s mission is to deliver reliable, innovative, efficient electrical solutions that optimize performance, improve safety, and drive operational excellence across mission-critical, utility, renewable, manufacturing, commercial,...

Universal Plant Services, a Jones Industrial Holdings company, is one of North America’s largest comprehensive specialty service providers for the energy industry — providing maintenance, repair and installation services for rotating, fixed, reciprocating and electrical equipment. With headquarters in Houston, Texas, UPS employs 3,000 highly trained individuals with 16 full-service facilities that specialize in daily maintenance, turnarounds and capital projects.

Al Jomaih Energy & Water is a Saudi-based investor, developer, and operator of utility and infrastructure projects, specializing in power generation and water treatment facilities.

Reactivate is a mission-driven renewable energy company, that develops, owns, and operates renewable energy projects to improve the lives of people in low-to-moderate income and energy transition communities across the country. Reactivate’s primary focus areas are community solar, small utility scale solar, energy storage, and EV charging projects. Reactivate creates positive social and environmental impact in underserved communities by delivering...

Eneve is a European energy technology and consultancy group that provides a data-driven software portfolio for energy producers, suppliers, balancers, and large-scale consumers. The company streamlines complex processes across the energy value chain—including procurement, pricing, portfolio management, and billing—to help market players navigate the transition to renewables and increase operational transparency and flexibility in a fast-moving energy market.

McNaughton-McKay Electric Company is a 100% employee-owned wholesale electrical distributor specializing in products and solutions for the industrial automation, commercial, and construction markets. Founded in 1910, the company operates over 60 locations across nine U.S. states and Germany. They focus on delivering high-tech industrial solutions, solar energy products, and electrical supplies to help businesses optimize performance, growth, and profitability.

We restore local dams — preserving their strength and history while enhancing their ability to power our lives 24/7 with clean energy.

Hilcorp Energy Company was founded in 1989 with the vision of being the premier independent energy company in America. Today, it is now the largest privately owned oil and natural gas company in the country. Hilcorp is a company founded on the principles of innovation and entrepreneurism. Our Core Values of "integrity, urgency, ownership, alignment, and innovation"​ are central to...