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Top Energy Companies in Denver & Boulder, CO (210)

UL Solutions
Automotive • Professional Services • Software • Consulting • Energy • Chemical • Renewable Energy
28 Offices
15,000 Employees
47 Benefits Hiring Now
Our mission is to make the world a safer, more secure and sustainable place.

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...

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UL Solutions

UL Solutions's Top Stability & Growth Strengths

Strong Revenue Growth: Revenue has increased for multiple consecutive years, surpassing $3.0B in 2025 with continued growth into early 2026, including positive organic gains across all major segments. Filings indicate the trajectory is broad-based rather than acquisition-driven.

Profitability: Profitability is expanding faster than sales, with strong adjusted EBITDA growth and notable margin improvement in 2025. Subsequent quarterly updates show further gains, reinforcing operating leverage.

Healthy Cash Flow: Operating cash flow increased to roughly $600M in 2025, with stronger free cash flow supporting continued investment in labs and capacity expansion. This cash generation underpins ongoing growth initiatives.

Riot Platforms, Inc.
Artificial Intelligence • Cloud • Information Technology • Energy • Infrastructure as a Service (IaaS)
3 Offices
850 Employees
68 Benefits Hiring Now
Powering & Building the Next Digital World

Riot’s (NASDAQ: RIOT) vision is to be the world’s most trusted platform for powering and building digital infrastructure. Riot’s mission is to empower the future of digital infrastructure by positively impacting the sectors, networks, and communities that we touch. We believe that the combination of an innovative spirit and strong community partnership allows us to achieve best-in-class execution and create successful...

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Riot Platforms, Inc.

Riot Platforms, Inc.'s Top Stability & Growth Strengths

Strong Revenue Growth: Revenue is expanding sharply, with full-year 2025 rising to $647.4M from $376.7M and Q2 2026 up 14% year over year. Growth also appeared in Q1 2026, indicating momentum beyond a single quarter.

Diversified Revenue Streams: A new data-center segment has begun contributing ($33.2M in Q1 2026; $23.2M in Q2 2026) alongside mining and engineering, indicating revenue is no longer tied solely to self-mining. AI/HPC-related activity broadens the mix beyond Bitcoin exposure.

Strategic Partnerships: Agreements with AMD (initial 25 MW delivered and option exercised to 50 MW) and a 20-year, 191 MW lease with a frontier AI lab provide multi-year contracted demand. These relationships help monetize a reported ~2.0 GW fully approved power pipeline.

Enverus
Big Data • Information Technology • Software • Analytics • Energy
15 Offices
1,800 Employees
57 Benefits Hiring Now
Enverus is the leading energy SaaS company delivering highly-technical insights and predictive/prescriptive analytics

Enverus’ innovative technologies drive production and investment strategies, enable best practices for energy and commodity trading and risk management, and reduce costs through automated processes across critical business functions. Enverus is a strategic partner to more than 6,000 customers in 50 countries. Enverus is a portfolio company of Hellman & Friedman and Genstar Capital.

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Enverus

Enverus's Top Stability & Growth Strengths

Strong Revenue Growth: Feedback suggests recurring revenue expanded from crossing $500M ARR in 2023 to “approaching $600M” by May 2024. These company disclosures indicate meaningful momentum in subscription scale.

Product Line Growth: Feedback suggests the portfolio has broadened via acquisitions and new capabilities—including Pearl Street Technologies (grid interconnection), Spatial Business Systems (utility design automation), PDS Energy exchange platforms, and TGS’s A2D well‑log library. Enverus also cites rapid uptake of newer AI products and substantial growth in power and renewables since 2021.

Investor Backing & Capital Strength: Feedback suggests capital support is robust, with Blackstone agreeing in 2025 to acquire Enverus in a transaction reported around $6–6.5 billion. This major third‑party deal signals external validation of scale and resources for the next growth phase.

Arc3 Gases
Energy
51 Offices
278 Employees
Arc3 Gases supplies and distributes industrial gases, welding equipment, and welding supplies to fit any application.

Supplier of Industrial gases, welding supplies, and dry ice serving the Eastern United States. We serve many industries ranging from fabrication and manufacturing to research, health care, food & beverage. We package and distribute a full line of gas products used in countless applications. Core products such as Oxygen, Nitrogen, Argon, Carbon Dioxide, and Helium are available in a variety...

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Arc3 Gases
Freedom Solar Power
Greentech • Energy • Solar • Renewable Energy
12 Offices

Freedom Solar Power is a leading full-service solar installation company providing turnkey solar solutions for residential and commercial markets. Based in Austin, Texas, they offer end-to-end services including site evaluation, design, permitting, financing, and installation of solar panels, backup battery storage, and EV charging stations across states such as Texas, Florida, Colorado, Virginia, and North Carolina.

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Freedom Solar Power
Odyssey Energy Solutions
Energy • Renewable Energy
Boulder
53 Employees

Odyssey’s mission is to radically accelerate capital deployment into distributed energy to get more projects built, faster. Odyssey brings together solar companies and financiers through a technology platform to streamline solar financing through every phase of the process, from origination and due diligence to credit underwriting, procurement, portfolio tracking, and asset management, reporting & compliance. For financiers, Odyssey increases velocity and...

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Odyssey Energy Solutions
Flex Leasing Power & Service
Professional Services • Energy • Industrial • Manufacturing
2 Offices
19 Employees
3 Benefits Hiring Now

Flex Leasing Power & Service provides direct purchase and leasing programs for industrial and commercial operations, offering high-performance, low-emission, and high-uptime gas turbine power solutions for remote and off-grid environments.

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Flex Leasing Power & Service
Marathon Petroleum Corporation
22 Offices
15,149 Employees
35 Benefits Hiring Now

Marathon Petroleum Corporation (MPC) is a leading, integrated, downstream energy company headquartered in Findlay, Ohio. The company operates the nation's largest refining system. MPC's marketing system includes branded locations across the United States, including Marathon brand retail outlets. MPC also owns the general partner and majority limited partner interest in MPLX LP, a midstream company that owns and operates gathering,...

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Marathon Petroleum Corporation
ShaleApps
Artificial Intelligence • Logistics • Software • Energy
ShaleApps builds AI to optimize Oil & Gas payload logistics.

We make North American energy more competitive globally. Using our apps, E&P companies, service vendors, and truck drivers work together more efficiently. We've built a platform that automates most of the decision-making involved in oilfield logistics. Our customers love our product, and have called it the "iPhone moment" for the industry.

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ShaleApps
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Tallgrass
Energy • Utilities • Industrial • Renewable Energy
3 Offices

Tallgrass is a U.S.-based energy infrastructure and midstream company that owns and operates extensive pipeline, storage, and related assets (over 10,000 miles of infrastructure). It transports, processes, and stores oil, natural gas, CO2 and water, delivering energy and services to homes, businesses and communities while pursuing innovation and sustainability to support decarbonization and reliable national energy delivery.

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Tallgrass
Stewart & Stevenson
6 Offices
1,100 Employees
28 Benefits

Stewart & Stevenson is a leading designer, manufacturer and provider of specialized equipment and aftermarket parts and service for the oil and gas and other industries that we have served for over 100 years.

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Stewart & Stevenson
Utility Telecom Consulting Group
Denver
4 Employees

Utility Telecom Consulting Group provides telecommunications services to the utility and energy industries.

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Utility Telecom Consulting Group
Cooper Heating & Cooling, Inc.
Professional Services • Energy • Solar • Renewable Energy
Broomfield
159 Employees
Hiring Now

Cooper Heating & Cooling, Inc., also known as The Cooper Green Team, is a third-generation, family-owned home service company serving Colorado's Front Range since 1978. They specialize in HVAC, plumbing, electrical, and solar services for residential and commercial customers. Focused on energy efficiency, they provide repair, replacement, and maintenance to help homeowners lower energy bills and improve indoor comfort.

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Cooper Heating & Cooling, Inc.
MasTec Communications Group
Professional Services • Energy • Utilities • Industrial
20 Offices
36,000 Employees

MasTec is a North American infrastructure engineering and construction company that designs, builds, installs, maintains, and upgrades communications, energy, utility, and civil infrastructure. Its work includes wireless and fiber networks, power delivery and generation, renewable energy facilities, oil and natural-gas pipelines, water and wastewater systems, data centers, and technology deployments. The company serves communications, energy, utility, government, and industrial customers.

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MasTec Communications Group
ATS Automation, Inc.
Software • Energy • Automation • Manufacturing
8 Offices
7,500 Employees
3 Benefits

ATS Automation, Inc., headquartered in Renton, Washington, is a leading provider of building automation, control, analytics, and energy management solutions. The company specializes in designing, installing, and maintaining advanced building management systems, including HVAC controls, physical security, and energy-efficient technologies. Serving a diverse range of commercial and industrial clients, ATS focuses on optimizing building performance, enhancing operational efficiency, and delivering...

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ATS Automation, Inc.
RESPEC
Information Technology • Consulting • Energy
6 Offices
377 Employees
6 Benefits Hiring Now

In a world where one superhero can handle almost any problem, our entire team of award-winning technology experts is on a mission to make your business better. With extra vision to see solutions that others can’t and vast knowledge to bridge the gaps that others don’t, we’re transformers with the know-how to solve the world’s hardest problems. At RESPEC, we thrive...

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RESPEC

RESPEC's Top Stability & Growth Strengths

Strong Revenue Growth: Revenue milestones are described as surpassing $100M and doubling over a five-year period, with additional statements that subsequent revenue goals were reached ahead of schedule. Additional scale signals are cited such as sustained stock appreciation over many years and a contracted backlog figure.

Market Expansion: Expansion is evidenced through multiple acquisitions across 2024–2025 (e.g., geothermal, environmental, structural engineering) intended to broaden services and geographic presence. Physical footprint growth is also indicated by headquarters expansion and mentions of new/expanded offices.

Leadership Stability: Leadership continuity is highlighted by having only four presidents over a multi-decade history and a planned CEO succession framed as positioning for the next growth phase. Employee-ownership and ongoing investments in facilities are presented as reinforcing long-term continuity.

ISO New England, Inc.
Energy • Utilities
2 Offices
643 Employees
29 Benefits

Keeping the power flowing reliably and at competitive prices to the homes, businesses, and industries across the six diverse states of New England is a complicated, demanding, and ever-evolving job. Succeeding in our unique mission amid today’s rapidly evolving industry and operational challenges means attracting highly skilled, committed, innovative, and adaptable professionals from across a variety of competitive industries. Over...

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ISO New England, Inc.
Enertia Software
Software • Energy
5 Offices
91 Employees

Enertia Software is the leading developer of integrated enterprise solutions for the upstream oil and gas industry. Enertia’s Microsoft Upstream Reference Architecture and technology provide streamline operations through integrated data-driven applications designed for the speed of today’s industry challenges. As the only single-vendor solution, Enertia Software provides data seamless from the field to the financials. For 30 years, Enertia Software has...

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Enertia Software
Plexflo
Artificial Intelligence • Greentech • Analytics • Business Intelligence • Energy
Boulder
5 Employees
22 Benefits
Hassle-free EV-related Infrastructure Upgrade Planning for Utilities and Contractors

Plexflo is a free, cloud-based collaboration and simulation platform for utility professionals, and EV Charging station developers, contractors and installers who are working together to drive clean energy adoption in the transportation sector. Using Plexflo, EV professionals and researchers are able to: (1) Quickly create scope of work documents required for any EV-related network upgrades projects (2) Calculate what would be...

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Plexflo
Iontra Inc
Nanotechnology • Energy
Denver
66 Employees
3 Benefits

Iontra is a Denver-based battery charging technology company. Iontra's charge control solution works with all commercial lithium-ion batteries, enabling product OEMs to provide substantially better performance and safety to their customers.

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Iontra Inc

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