Top Energy Companies in Phoenix, AZ (56)

Power Plus! is a multi-industry leader in providing intelligent and efficient power solutions, including temporary power for construction sites, rental generators, and generator service and maintenance. Serving Fortune 100 companies like Amazon, Walmart, and Costco, they provide critical power for infrastructure, massive events, and disaster relief, and have expanded into permanent utility and security camera divisions.

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...

Rango Inc. is a trusted mining and construction contractor specializing in custom contract mining and mass excavation. The company provides safe, efficient material handling, civil construction, and site development services across sectors such as frac sand, aggregates, base minerals, and precious metals, utilizing one of the most advanced equipment fleets in the industry to support complex industrial and civil projects.

Carollo Engineers is the largest firm in the United States dedicated solely to water related engineering--it's all we do. Since 1933, this single-minded focus has allowed us to make some unique commitments to both clients and staff. It has opened the door to the very best talent in the water industry, innovative water solutions, unparalleled client service, and above all, a...

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.

Haynes Mechanical Systems provides commercial HVAC and complete mechanical services for complex facilities. Its offerings include preventative maintenance, system monitoring, energy optimization, building automation, controls integration, chiller overhauls, design-build solutions, and client service agreements. The company supports hospitals, campuses, commercial real estate, data centers, municipalities, entertainment venues, and nonprofit facilities across Colorado and Arizona, using its HaynesSync platform to document...

Founded in 1955, BMWC Constructors is a leading industrial construction company providing full-service solutions, including pre-construction, off-site fabrication, and direct-hire field construction. They specialize in complex manufacturing and processing facilities for sectors such as aerospace, chemical, power generation, pharmaceutical, and biotechnology. With a commitment to safety, quality, and excellence, BMWC serves major clients across North America, building a legacy of...

ACCO is an employee-owned mechanical contractor dedicated to the design, fabrication, installation, maintenance, and service of commercial and industrial HVAC, refrigeration, plumbing, process piping, and building automation systems. Founded in 1934, it is one of the largest and most experienced mechanical engineering firms in the United States, serving diverse sectors including healthcare, data centers, and transportation.

About Clearway Energy Group Clearway Energy Group is leading the transition to a world powered by clean energy. Along with our public affiliate Clearway Energy, Inc., we own and operate 10 gigawatts of renewable and conventional energy assets across the country. As we develop a nationwide pipeline of new renewable energy projects for the future, Clearway’s 8 gigawatts of operating...

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...

Prologis is the global leader in logistics real estate. In partnership with top manufacturing and distribution companies (e.g., Amazon, BMW, DHL, FedEx, Pepsi), we ensure timely delivery of the products that make modern life possible.

TDIndustries is a premier facilities services and mechanical construction company. Founded in 1946, they provide comprehensive solutions including design, construction, facilities management, maintenance, controls, and smart analytics to ensure buildings are safe, smart, and efficient. They specialize in mechanical construction, HVAC, and plumbing services for commercial and industrial complexes.

Facility Solutions Group (FSG) is a national provider of electrical, lighting, signage, and technology solutions for commercial and industrial facilities. One of the top 50 electrical contractors in the United States, FSG offers a comprehensive range of design, engineering, construction program management, and facility services, including energy management and solar energy solutions, to keep critical building systems running efficiently across...

We are building a better future through intelligent technology. For over 60 years, onsemi and its ancestors have been leading the world’s greatest technology advancements. onsemi (Nasdaq: ON) is driving disruptive innovations to help build a better future. With a focus on automotive and industrial end-markets, the company is accelerating change in megatrends such as vehicle electrification and safety, sustainable energy grids,...

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...

Senergy Petroleum is a privately held wholesale fuel and lubricant distributor operating in the Southwest and Rockies. It specializes in commercial fuels, lubricants, diesel exhaust fluid (DEF), chemicals, and equipment, serving markets across Arizona, Colorado, Idaho, Nevada, New Mexico, Texas, Utah, Oklahoma, and Wyoming via a network of warehouses and cardlock locations.

Argus Companies is a 100% employee-owned engineering firm specializing in end-to-end fuels infrastructure services. They provide a multi-disciplined approach to design, construction, and asset integrity for fueling systems, aiming to solve complex engineering problems while maximizing asset service life for clients globally across air, land, and sea transportation.

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,...

Arizona Water Company (AWC) is a public service corporation providing water utility services to approximately 103,000 customers in 24 communities across Arizona, operating 24 water systems across eight counties.

First Solar is a leading American solar technology company and global provider of responsibly produced eco-efficient solar modules advancing the fight against climate change. Developed at R&D labs in California and Ohio, the company’s advanced thin film photovoltaic (PV) modules represent the next generation of solar technologies, providing a competitive, high-performance, lower-carbon alternative to conventional crystalline silicon PV panels. From...