Best Energy Companies in Denver, United States
The 216 best Energy companies in Denver, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Resolute Energy.
Our analysis of 171 Energy companies
$71.4b in tracked funding; 82% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy companies in Denver
| # | Company | Disclosed funding | Last round | Employees | Founded | Founder | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Resolute Energy Oil & natural gas production company | $2.9B | 98 mo ago | 128 | 2004 | Richard Betz COO & Executive Vice-President | — | — |
| 2 | Antero Resources Independent oil and gas exploration and production company | $1.6B | 225 mo ago | 586 586 → 636 (+9%) | 2002 | — | — | 2 awards |
| 3 | Northwoods Energy Supplier of high-quality timber products and building materials | $852M | 101 mo ago | 23 | 2018 | — | — | — |
| 4 | Caerus Oil and Gas Producer of sustainable, affordable natural gas | $735M | 107 mo ago | 288 | 2009 | David H Keyte Chairman & CEO | — | — |
| 5 | Jonah Energy Oil and gas exploration and production company | $600M | 104 mo ago | 166 166 → 236 (+42%) | 2014 | Tom Hart CEO | — | — |
| 6 | SRC Energy Oil & natural gas exploration and production company | $550M | 102 mo ago | 120 | 2008 | Lynn Peterson CEO & President | — | — |
| 7 | QEP Resources Designer and retailer of sustainable fine jewellery | $500M | 103 mo ago | 2 | 2010 | — | — | — |
| 8 | RimRock Oil & Gas Oil & gas exploration and production company | $500M | 123 mo ago | 19 | 2016 | James Fraser CEO & President | — | — |
| 9 | Hawkwood Energy Exploration and Production Company Focused in the Rockies and Mid-Continent regions | $499M | 137 mo ago | 46 | 2012 | — | — | — |
| 10 | Bonanza Creek Energy Producer of sustainable oil and natural gas | $465M | 90 mo ago | 125 | 1999 | — | — | — |
| 11 | Inflection Energy Developer of natural gas exploration and development projects | $386M | 140 mo ago | 32 | 2008 | Rodney Gray CEO | — | — |
| 12 | Humble Midstream Distributor and supplier of oil and gas products | $300M | 66 mo ago | 8 | 2020 | Steven Huckaby CEO | — | — |
| 13 | Evolution Midstream Integrated midstream solutions company | $300M | 129 mo ago | 40 | 2015 | — | — | — |
| 14 | GMT Exploration Company Operator of oil and gas properties, pursuing joint ventures and acquisitions 7Funding top 26%Moat top 45%Tech bottom 36%Global bottom 32% All 7 signals ▾Fundingtop 26% Moattop 45% Techbottom 36% Globalbottom 32% Marketbottom 27% Patentsbottom 25% Innovationbottom 9% Funding: Raised $275M across 8 rounds · 8 rounds over 17 yrs (0.5/yr) Moat: Editorial + unicorn rating 4/10 · IP moat: 3 patents rank vs industry peers · Fliar Intelligence Index 7/100 | $275M | 1 mo ago | 15 | 1991 | — | 3 patents Solvent-based enhanced hydrocarbon extraction from low-permeability reservoirs | — |
| 15 | BKV Producer of net-zero natural gas, pursuing carbon-neutral energy solutions. 69Funding top 20%Fin. health top 20%Tech top 31%Market top 40% All 12 signals ▾Fundingtop 20% Fin. healthtop 20% Techtop 31% Markettop 40% Growthtop 40% Partnerstop 40% Newstop 45% Talentbottom 49% Moatbottom 44% Patentsbottom 37% Globalbottom 33% Innovationbottom 28% Funding: Raised $250M across 3 rounds · 3 rounds over 6 yrs (0.5/yr) Fin. health: Revenue ~$377M (FY2025) · Net margin 11.7% rank vs industry peers · Fliar Intelligence Index 69/100 | $250M | 13 mo ago | 158 | 2015 | Christopher Kalnin Founder & CEO | 2 patents Monitoring and verification technologies for carbon‑neutral gas distribution pipelines | — |
| 16 | Antero Midstream Provider of natural gas processing services | $243M | 97 mo ago | 604 | 2013 | — | 5 patents Hydraulic displacement systems for pipeline pigging terminals | — |
| 17 | Axia Energy II Energy company specializing in wellbore manufacturing and resource play development | $202M | 135 mo ago | — | 2009 | Adam Sayers President | — | — |
| 18 | Outrigger Energy Midstream energy company | $200M | 152 mo ago | 23 | 2013 | — | — | — |
| 19 | Ursa Resources Group Provider of secure managed IT support and digital transformation services | $200M | 176 mo ago | 25 | 2011 | — | — | — |
| 20 | Extraction Oil & Gas Oil and gas exploration and production company | $197M | 101 mo ago | 125 | 2012 | — | — | — |
| 21 | Liberty Energy Provider of oil and natural gas exploration and production services 22Product top 22%Tech top 28%Funding top 38%News top 42% All 11 signals ▾Producttop 22% Techtop 28% Fundingtop 38% Newstop 42% Partnerstop 45% Growthbottom 42% Talentbottom 40% Fin. healthbottom 33% Globalbottom 32% Marketbottom 12% Moatbottom 12% Product: 2 published apps (192 installs) · Company stage: Public Tech: 55 technologies across 4/8 capability areas · Cloud: Amazon Alb, Amazon Ses rank vs industry peers · Fliar Intelligence Index 22/100 | $191M | 116 mo ago | — | 2011 | Chris Wright Chairman and CEO | — | 2 expansions |
| 22 | Triangle Petroleum Corporation Exploration and development of unconventional oil and natural gas resources | $186M | 159 mo ago | 385 | 2003 | — | — | — |
| 23 | BOE Midstream Provider of crude oil and natural gas storage & transmission services | $185M | 142 mo ago | 12 | 2011 | Michael O'Shaughnessy CEO & President | — | — |
| 24 | Arris Petroleum Manufacturer of insulation tape preventing air leaks and thermal bridging | $166M | 152 mo ago | 19 | 2013 | — | — | — |
| 25 | Bison Oil & Gas Oil and gas exploration and production company | $155M | 80 mo ago | 18 | 2015 | — | — | — |
| 26 | PureSky Energy Provider of renewable energy solutions, particularly in solar and storage projects | $150M | 30 mo ago | — | 2023 | Jared Donald President and CEO | — | — |
| 27 | Balidor Oil & Gas Oil and gas exploration and production company | $150M | 131 mo ago | — | 2015 | Dave Baker Co-Founder & CEO | — | — |
| 28 | Sundance Energy Independent oil & gas exploration and production company | $143M | 117 mo ago | 79 | 2005 | — | — | — |
| 29 | Liberty Resources Oil and gas company focused on acquisition and development of upstream assets | $125M | 104 mo ago | — | 2013 | Mark Pearson President & CEO | — | — |
| 30 | MECO IV Oil and gas acquisition, exploitation and exploration company | $105M | 93 mo ago | — | 2013 | Sam Winegrad Co-Founder | 84 patents Space‑saving collapsible furniture: folding chairs, desks, and stools for portable use. | — |
| 31 | Gasco Energy Provider of mineral rights management and consulting services | $98M | 191 mo ago | 14 | 1997 | — | — | — |
| 32 | Elk Petroleum Oil and gas company focusing on the development and production of long-lived reserves | $70M | 101 mo ago | 105 | 2005 | Alliance Bernstein Owner | — | — |
| 33 | lilis energy Lilis Energy, Inc. is a Denver-based independent oil and gas exploration and production company . | $61M | 87 mo ago | 43 | — | — | — | — |
| 34 | Forest Oil Provider of storage solutions for liquid and bulk cargo | $36M | 172 mo ago | 605 | 1916 | Craig Clark CEO & President | — | — |
| 35 | Redeux Energy Provider of utility-scale solar and energy storage projects for reliable clean electricity generations 7Funding top 44%Tech bottom 32%Global bottom 30%Market bottom 14% All 4 signals ▾Fundingtop 44% Techbottom 32% Globalbottom 30% Marketbottom 14% Funding: Raised $30.0M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) Tech: 18 technologies across 2/8 capability areas · Devops: Nginx rank vs industry peers · Fliar Intelligence Index 7/100 | $30M | 12 mo ago | 9 | 2020 | — | — | — |
| 36 | SunShare Developer of community solar gardens providing subscription-based renewable energy solutions | $30M | 56 mo ago | 32 | 2011 | David Amster-Olszewski Founder & CEO | — | 2 job openings |
| 37 | Carbon Energy Corporation Developer of oil and natural gas resources in California | $30M | 179 mo ago | 41 | 2007 | Patrick McDonald CEO | — | — |
| 38 | Berco Resource Oil and Gas E&P Company | $25M | 326 mo ago | — | 1998 | — | — | — |
| 39 | Emerald Oil Upstream oil and gas company | $15M | 147 mo ago | 42 | 2000 | McAndrew Rudisill President & CEO | — | — |
| 40 | Kodiak Oil & Gas Corp Provider of a domain name marketplace facilitating sales | $14M | 179 mo ago | 312 | 2001 | Hakim Kouadri CEO | — | — |
| 41 | Gen4 Energy Developer of mini reactor for power production | $13M | 155 mo ago | 11 | 2007 | Bob Prince CEO and Vice Chairman | — | — |
| 42 | Concord Crude oil, natural gas marketing & transportation company | $10M | 153 mo ago | 50 | 2002 | Matt Flavin Chief Executive Officer | — | — |
| 43 | Enservco Oilfield fluids management company 29Product top 14%Funding top 37%Growth top 50%Fin. health top 50% All 11 signals ▾Producttop 14% Fundingtop 37% Growthtop 50% Fin. healthtop 50% Marketbottom 43% Moatbottom 41% Techbottom 36% Innovationbottom 34% Globalbottom 33% Patentsbottom 32% Newsbottom 24% Product: 9 distinct product lines · Company stage: Public Funding: Raised $9.0M across 2 rounds · 2 rounds over 14 yrs (0.1/yr) rank vs industry peers · Fliar Intelligence Index 29/100 | $9M | 22 mo ago | 98 | 2006 | — | 8 patents Oil‑gas well fluid processing: heated water delivery and natural gas‑liquid separation systems. | — |
| 44 | Syrcuit Energy Solutions Manufacturer of solar cells | $6M | 49 mo ago | 5 | 2021 | — | — | — |
| 45 | EcoVapor Recovery Systems Importer and distributor of household and consumer goods 37Growth top 30%Tech top 46%Talent bottom 49%Funding bottom 39% All 6 signals ▾Growthtop 30% Techtop 46% Talentbottom 49% Fundingbottom 39% Marketbottom 33% Globalbottom 32% Growth: Web rank 50,000,000 → 10,000,000 YoY Tech: 32 technologies across 3/8 capability areas · Devops: Nginx rank vs industry peers · Fliar Intelligence Index 37/100 | $6M | 108 mo ago | 26 | 2010 | Peter Mueller Co-Founder | — | — |
| 46 | Escalera Resources Natural gas exploration and production company | $5M | 146 mo ago | 27 | 2014 | Charles Chambers Chairman & CEO | — | — |
| 47 | Helio Home Provider of home electrification solutions and services. 19Talent top 38%Global bottom 37%Market bottom 34%Funding bottom 34% All 4 signals ▾Talenttop 38% Globalbottom 37% Marketbottom 34% Fundingbottom 34% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Global: Investors from 1 country beyond United States rank vs industry peers · Fliar Intelligence Index 19/100 | $4M | 53 mo ago | 18 | 2021 | Clay Dusel Co-Founder | — | — |
| 48 | Foothills Exploration Oil and gas exploration and development, plus new energy ventures | $3M | 59 mo ago | 5 | 2015 | Bruno Allaire CEO | — | — |
| 49 | Lucky Corridor Provider of web hosting, domain registration, and VPS services | $3M | 118 mo ago | 2 | 2007 | Lynn Chapman Greene Founder & CEO | — | — |
| 50 | VetaNova Developer of solar energy projects | $1M | 29 mo ago | — | 2000 | John McKowen CEO | — | — |
Top 12 Energy companies in Denver
#1
Series F · Denver, Colorado · founded 1991 · 15 employees$274.5Mraised▾
Operator of oil and gas properties, pursuing joint ventures and acquisitions. This company engages in the generation, operation, and development of oil and natural gas properties. Its business strategy includes leveraging technical expertise, generating projects through an experienced team, and pursuing growth through exploration and development drilling. The company maintains financial flexibility through cash flow from properties, returns from sales, and asset-based borrowing.
- Apr 2026Series F$113.6M
- Feb 2024Series E$73.9M
- Mar 2023Series E$73.1M
- May 2016Series D$35M
#2
Public · Denver, Colorado · founded 2015 · 158 employees$250Mraised▾
{}
- May 2025Post IPO$48M
- Oct 2023Series D$150M
- Dec 2020Series C$100M
#3
Funding Raised · Denver, Colorado · founded 2020 · 9 employees$30Mraised▾
Redeux Energy is a leading utility-scale solar and energy storage development company that specializes in creating hybrid solar and energy storage projects for utility and corporate energy purchasers. They focus on transforming greenfield, brownfield, and industrial lands into clean energy infrastructure.
- Jun 2025Conventional Debt$30M
#4
Acquired · Denver, Colorado · founded 2004 · 128 employees$2.9Braised▾
Resolute is an oil & natural gas production company. Has a focus on technologies like fracturing and hrizontal drilling. Operational in around 21k acre area in Delaware and Permian basins in USA, as of Feb'18.
- Apr 2018Conventional Debt$75M
- Jan 2017Conventional Debt$800M
- Jan 2017Conventional Debt$1.5B
- Dec 2016Post IPO$166M
#5
Funding Raised · Denver, Colorado · founded 2023$150Mraised▾
We build, own and operate Community Solar farms across the US, making the benefits of community solar available to all.
- Nov 2023Conventional Debt$150M
#6
Public · Denver, Colorado · founded 2006 · 98 employees$9Mraised▾
Enservco provides oilfield fluids management services which include frac water heating, hot oiling, acidizing, wastewater transfer, bacteria & scaling treatment, frac tank & equipment rental, fluids hauling, and pressure testing services.
- Aug 2024Post IPO—
- Oct 2013Post IPO—
- Oct 2013Conventional Debt$7M
- Nov 2012Post IPO$2M
#7
Public · Denver, Colorado · founded 2002 · 586 employees$1.6Braised▾
In 2022, the company recorded annual revenues of $8.24B and a net profit of $2.27B.
- Sep 2007Series B$30M
- May 2004Series B$15M
- Feb 2003Series A$26.8M
#8
Acquired · Denver, Colorado · founded 2018 · 23 employees$851.7Mraised▾
Supplier of high-quality timber products and building materials. This company offers a diverse selection of wood products for construction and renovation projects. Their offerings include lumber, pressure-treated timber, OSB, cladding, profiled timber, and firewood. They provide timely delivery services. The company emphasizes the quality and durability of its wood products, ensuring customer satisfaction.
- Jan 2018PE$851.7M
#9
Acquired · Denver, Colorado · founded 1999 · 125 employees$465Mraised▾
Producer of sustainable oil and natural gas. It focuses on responsible operations, prioritizing safety, innovation, and community engagement. The company aims to meet global energy demands while minimizing environmental impact through emission reduction strategies and partnerships with local communities. Its business model emphasizes long-term sustainability and efficient asset development. It strives to provide reliable and affordable energy.
- Dec 2018Conventional Debt$750M
- Apr 2017Series D$200M
- Apr 2013Conventional Debt$300M
- Jan 2011Series D$265M
#10
Acquired · Denver, Colorado · founded 2009 · 288 employees$735Mraised▾
Producer of sustainable, affordable natural gas. This company focuses on the acquisition, development, and production of natural gas assets. It employs conventional investment strategies to acquire and develop these assets, aiming for efficient and scalable operations. The company prioritizes safety and environmental stewardship in all aspects of its operations. Its business model includes a comprehensive development program, field optimization to increase production and lower costs, and limited exploration activities to expand reserves. The company also owns significant gas gathering and water infrastructure assets, providing services to itself and third-party producers.
- Jul 2017Conventional Debt$735M
#11
Funding Raised · Denver, Colorado · founded 2014 · 166 employees$600Mraised▾
Oil and gas exploration and production company. It acquires and operates producing oil and gas properties. The company focuses on minimizing production decline and reducing operating costs through efficiency and innovation, while prioritizing safety and environmental performance. It implements new technologies to reduce environmental impact, particularly methane emissions. Collaboration with industry partners is a key element of its strategy for achieving sustainability goals. The company pursues growth through strategic acquisitions and development of existing assets.
- Oct 2017Conventional Debt$600M
#12
Series D · Denver, Colorado · founded 2020 · 8 employees$300Mraised▾
Distributor and supplier of oil and gas products
- Dec 2020Series D$300M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Grid Energy Storage is moving in the United States
A read on the academic research around Grid Energy Storage — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 5,941 United States-affiliated papers.
- Electric Power Research Institute204
- Pacific Northwest National Laboratory202
- Argonne National Laboratory193
- Northeastern University151
- Massachusetts Institute of Technology124
- Battery (electricity)57→359
- Electrolyte37→318
- Electrochemistry30→240
- Cathode32→224
- Anode37→209
- Renewable energy40→492
- Battery (electricity)59→507
- Power (physics)8→227
- Electrolyte27→244
- Electrochemistry37→240
- Battery (electricity)35→184
- Renewable energy24→156
- Electrolyte13→114
- Electrochemistry10→80
- Cathode9→72
Where energy storage is researched across United States
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing energy storage patents in the United States
United States energy storage patent filing is accelerating — 8,522 filings from 3,681 assignees (2016–2025), led by General Electric, ESS Technology, GM Global TECH Operations; annual filings 687→1058.
- General Electric592
- ESS Technology276
- GM Global TECH Operations233
- Fastcap Systems205
- UNIV California180
- Rondo Energy157
- United Technologies154
- Battelle Memorial Institute146