Top Renewable Energy Companies in Denver & Boulder, CO (52)
A global leader in applied safety science, UL Solutions transforms safety, security and sustainability challenges into opportunities for customers in more than 100 countries. UL Solutions delivers testing, inspection and certification services, together with software products and advisory offerings, that support our customers’ product innovation and business growth. The UL Certification Marks serve as a recognized symbol of trust in...
UL Solutions's Top Stability & Growth Strengths
Strong Revenue Growth: Revenue increased from $2.678B in 2023 to $3.053B in 2025 and continued to rise 5.2% year over year in Q2 2026, with organic growth of 6.6%.
Profitability: Adjusted EBITDA rose 20.7% in 2025 to $792M and grew 11.2% in Q2 2026, with margin expansion to about 26.8% alongside higher adjusted net income.
Market Expansion: The company is expanding its footprint through acquisitions and capacity investments, including completing the Eurofins Electrical & Electronics business in October 2026 and enlarging testing facilities.
thyssenkrupp Supply Chain Services provides integrated warehousing, transportation, and quality solutions for industries such as automotive, renewable energy, and eCommerce. They operate as a leading 3PL provider, managing extensive distribution networks to streamline operations and create value for their customers.
GE Vernova is a planned purpose-built company on a mission to electrify the planet while simultaneously working to decarbonize it. If we want our energy future to be different…we must be different. Our mission is embedded in our name. We retain our treasured legacy, “GE,” in our name as an enduring and hard-earned badge of quality and ingenuity. “Ver” / “verde” signal...
GE Vernova's Top Stability & Growth Strengths
Strong Revenue Growth: Recent results show revenue rising alongside robust orders and a record backlog that provides multi-year visibility. Management projects further top-line expansion through 2026–2028, supported by strong demand in Power and Electrification and large project wins.
Healthy Cash Flow: Free cash flow more than doubled in 2025, reflecting improved operational performance and stronger conversion. Guidance points to materially higher cash generation through 2028, supporting ongoing investments and expansion.
Strong Market Position & Advantage: The company holds the largest installed base in gas turbines, has production slots fully booked into 2027, and its technologies help generate a significant share of global electricity. A substantial backlog and leadership across key power and grid segments underline durable competitive positioning.
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Wanzek Construction, Inc., a MasTec Renewables company, is a leading general construction contractor and clean energy services company headquartered in Fargo, North Dakota. As one of the nation’s top renewable energy companies, Wanzek is driven by our vision to be the best and deliver excellence. We deliver engineering, procurement and construction services, paving the way for a more sustainable future. Our...
Wanzek Construction's Top Stability & Growth Strengths
Strong Market Position & Advantage: Wanzek is positioned as a leading renewable-energy EPC, with a large portfolio in wind, solar, and storage and recognition connected to ENR-ranked performance through its MasTec affiliation. Industry accolades and safety awards further underscore execution strength on large-scale projects.
Investor Backing & Capital Strength: Operating under MasTec provides substantial financial resources and credibility, supported by strong performance and record backlog in the clean-energy and infrastructure segments. This parent-company platform expands access to major projects and national scale.
Diversified Revenue Streams: The company serves multiple end markets—wind, solar, energy storage, power generation, and heavy industrial—through turnkey EPC and services. This breadth reduces reliance on any single segment and supports resilience across cycles.
Flatiron Energy develops, builds, owns, and operates standalone utility-scale energy storage. Our energy storage systems help integrate renewable energy onto the grid, replace fossil fuel plants, and increase grid reliability.
EVS, Inc. is an engineering firm celebrating 41 years of business located in Eden Prairie, Minnesota. We provide civil, electrical, and structural engineering, land surveying, solar + energy storage design, and substation design. At EVS, we are committed to our clients’ success and we operate with the mission of client satisfaction through clear communication and immediate responsiveness. EVS provides high...
Cool Planet was founded in 2009 to commercialize a groundbreaking technology that produces engineered biocarbon and renewable, carbon negative fuel from biomass. The company is currently focused on deploying its proprietary Cool Terra® engineered biocarbon platform, which significantly improves soil health while sequestering carbon. With society demanding more food grown sustainably, the Cool Terra® engineered biocarbon platform contributes to a...
Improve home comfort and air quality w/ electric technologies. Heat Pumps, Water Heaters, EV charging, and more. Join the herd. #ElectrifyEverything
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...
ENTRUST Solutions Group's Top Stability & Growth Strengths
Strong Market Position & Advantage: Independent rankings place the company among the Top 10 in Power and repeatedly on ENR Top 500 lists, and it is described as a leading utility engineering company.
Investor Backing & Capital Strength: A $2.4 billion acquisition by Leidos and a significant minority investment from Neuberger Berman signal strong external capital support and validation of the platform’s scale.
Market Expansion: Headcount surpassing 3,100 across 40+ North American locations and acquisitions such as Maskwa High Voltage and FiberRise indicate expanding geography, capabilities, and customer base.
DESRI is a leading renewable energy company that develops, owns, and operates utility-scale solar, wind, and battery storage projects throughout the United States. As long-term owners, we’re focused on creating value throughout all stages of a project’s life cycle, including development, construction, financing, and operations. Today, DESRI stands at the forefront of renewable energy, specializing in utility-scale solar, wind, and battery...
Korsail Energy was founded by a group of solar finance and development experts with a combined 500+MW of development, funding and M&A experience. Based in Denver Colorado, we develop solar and storage projects from coast to coast. We created Korsail to leverage our unique combination of skills and create a top down, offtake-focused development company with the reach and funding...
PAE Consulting Engineers Inc. is a leading sustainable engineering and design firm founded in 1967. The company specializes in creating resilient and efficient buildings and communities through mechanical, electrical, and plumbing engineering. As a B Corp, PAE is committed to delivering clean air, energy, and water for all, maintaining carbon-neutral operations since 2008 and becoming carbon negative in 2019.
Headquartered in Walnut Creek, Calif., Brown and Caldwell is an employee-owned firm with 2,100+ professionals serving clients locally and globally from 52 locations. We are the largest engineering and construction firm solely focused on the U.S. water and environmental sectors. Our creative designs and progressive solutions have helped municipal, federal and private organizations overcome their most complex environmental challenges. We offer...
Brown and Caldwell's Top Stability & Growth Strengths
Strong Hiring & Retention: Headcount increased from about 2,614 to nearly 2,920 over a multi-year period, and the firm maintains a substantial slate of open roles to support a growing project pipeline. Active recruitment aligns with continued demand for environmental and water infrastructure services.
Strategic Partnerships: Partnerships with platforms like Lantern bring Microsoft-enabled digital tools into water-utility services. Collaborations such as work with the Water Utility Climate Alliance to shape climate-resilient design guidelines reflect a strategy of scaling capabilities through alliances.
Market Expansion: Regional scale-ups—including Pacific team additions and an expanded Chicago office—signal ongoing geographic growth to meet local client needs. A footprint spanning more than 50 locations across North America and the Pacific supports broader state and local expansion efforts.
Innovative Electrical Systems, Inc. is a professional electrical services provider based in White, Georgia, serving Cherokee County and North Georgia. They offer comprehensive residential, commercial, and industrial electrical solutions, including repairs, full-system upgrades, and installations. Their expertise spans from everyday fixes and panel replacements to specialized services like solar panel installations and emergency electrical support, all performed by licensed electricians...
Gevo, Inc. (NASDAQ: GEVO) has a mission to transform renewable energy into low carbon transportation fuels. This next generation of renewable premium gasoline, jet fuel and diesel fuel with the potential to achieve zero carbon emissions, addressing the market need of reducing greenhouse gas emissions with sustainable alternatives. Gevo uses low-carbon renewable resource-based carbohydrates as raw materials and is in...
ABC Supply is North America's largest wholesale distributor of roofing, siding, windows, and other exterior and interior building products for residential and commercial use.
Hoffman Weber Construction is a family-owned general contractor founded in 1992, specializing in exterior design-build remodeling and restoration services. They provide a full suite of services including roofing, siding, windows, gutters, and storm damage repair for residential and commercial properties. The company is committed to high-quality workmanship, customer service, and innovative tools like 3D modeling, operating across multiple states including...
Independent Power, also associated with the Solar IPS brand, is a family-owned clean-energy contractor serving homeowners and businesses in Colorado and Montana. The company designs, procures, and installs customized solar-panel and battery-storage systems, and also provides heat pumps, HVAC services, EV charging, and related electrification solutions. Its mission is to help customers reduce utility costs, improve resilience, and gain greater...
Ovintiv is a leading North American energy producer focused on developing its multi-basin portfolio of oil, natural gas liquids and natural gas producing plays. We have large and contiguous acreage positions in North America’s top resource plays where we deliver unmatched value through continuous innovation.
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Longmont, Colorado, located within Boulder County, is a city with 22 square miles, over 300 days of sunshine, and a spectacular view of the Rocky Mountains. Longmont sits at an elevation of 4,979 feet above sea level. With over 1500 acres of parks and open space, Longmont is perfect for outdoor enthusiasts. Longmont is also home to several high-tech companies...
