Best Energy Companies in Missouri, United States
The 109 best Energy companies in Missouri, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Inergy.
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 Missouri
| # | Company | Disclosed funding | Last round | Employees | Founded | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Inergy Midstream and downstream company | $750M | 185 mo ago | 2,910 | 2009 | Robert Phillips CEO | — | 12 patents Modular, stackable photovoltaic‑battery systems for portable and adaptive solar power generation | — |
| 2 | Foresight Energy Thermal coal production company | $600M | 134 mo ago | 844 | 1997 | Chris Cline Founder | WordPress Block EditorWordPressMySQL+19 | — | — |
| 3 | Pivot Energy Provider of EPC solution, design, installation, and other project development services | $100M | 44 mo ago | 168 | 2018 | Rick Hunter Founder & Chief Strategist | HubSpot CMS HubApple iCloud MailGoogle Workspace+30 | — | 1 partnership · 3 awards |
| 4 | Martin Energy Group Provider of organic waste recycling services | $100M | 87 mo ago | 171 171 → 124 (-27%) | 2015 | Marcus Martin Founder & CEO | WordPressMySQLPHP+23 | 551 patents Advanced redox flow battery systems, fluidic networks, membranes, and bipolar plate technologies. | 1 expansion |
| 5 | Akermin Online slot gaming platform with QRIS payment and diverse game selection | $30M | 152 mo ago | 11 | 2003 | — | — | 48 patents Biocatalyst immobilization technologies for efficient carbon dioxide capture and conversion. | — |
| 6 | KE2 Therm Solutions Provider of temperature and defrost controls for HVAC systems | $17M | 97 mo ago | 35 35 → 32 (-9%) | 2009 | Patrick Holdmeyer President & CEO | SitecoreVideoJSYouTube+29 | — | — |
| 7 | GTUIT Remote natural gas capture systems and services to decrease flared gas volumes 40Moat top 31%Product top 36%Innovation top 37%Patents top 40% All 9 signals ▾Moattop 31% Producttop 36% Innovationtop 37% Patentstop 40% Fundingtop 45% Techtop 46% Talentbottom 45% Globalbottom 31% Marketbottom 28% Moat: Editorial + unicorn rating 7/10 · IP moat: 11 patents Product: 9 distinct product lines · Company stage: Series A rank vs industry peers · Fliar Intelligence Index 40/100 | $16M | 58 mo ago | 36 | 2009 | Brian Cebull President & CEO | WordPressMySQLPHP+20 | 11 patents Natural gas processing: NGL removal, associated gas treatment, turbine fuel conditioning | — |
| 8 | Confluence Solar Domain parking services facilitating connections between domain owners and advertisers | $13M | 212 mo ago | 1 | 2006 | Tom Cadwell CEO | — | — | — |
| 9 | Producers Choice Soy Energy Biodiesel producer | $10M | 183 mo ago | 2 | 2007 | — | — | — | — |
| 10 | Boomerang Tube Manufacturer of electric resistance welded (ERW) tubes 35Innovation top 20%Product top 26%Market top 36%Talent bottom 49% All 8 signals ▾Innovationtop 20% Producttop 26% Markettop 36% Talentbottom 49% Fundingbottom 35% Globalbottom 30% Techbottom 19% Growthbottom 10% Innovation: 4 product lines Product: 4 distinct product lines · Company stage: Acquired rank vs industry peers · Fliar Intelligence Index 35/100 | $5M | 196 mo ago | 226 | 2008 | Jim Tregenza CEO | — | — | — |
| 11 | Brightergy Renewable energy solutions provider optimizing energy costs and sustainability for organizations | $2M | 146 mo ago | 5 | 2010 | — | — | — | — |
| 12 | Mid America Biofuels Biodiesel producer | $1M | 176 mo ago | — | 2005 | Gary Wheeler CEO | — | — | — |
| 13 | Mid Missouri Energy Operator of a corn-based ethanol plant producing renewable fuel products | $1M | 11 mo ago | — | 2005 | — | PHPBootstrapAmazon Web Services+15 | — | — |
| 14 | Enginuity Worldwide Manufacturer and supplier of biochar and biocoal fuel from agricultural feedstock | $580K | 134 mo ago | — | 2009 | Nancy Heimann Founder & CEO | — | 61 patents Converting moist biomass into biochar/biocoal via rotary compression technology. | — |
| 15 | ThermAvant Technologies Next generation thermal technologies for various applications | $500K | 167 mo ago | 58 | 2007 | Joe Boswell Co-Founder & CEO | Cart FunctionalitySquarespace CommerceSquarespace+29 | 3 patents Advanced oscillating heat‑pipe thermal management for batteries and power electronics | — |
| 16 | Accelerate Wind Rooftop wind energy solutions complementing solar power for commercial buildings | $275K | 3 mo ago | 9 | 2016 | — | — | — | — |
| 17 | Re-N-Vision Renewable energy generator and bio fuel supplier | $200K | 46 mo ago | — | 2007 | Rebecca Gendron | — | 552 patents Near‑eye holographic AR displays and electrochromic smart eyewear technologies. | — |
| 18 | Show Me Energy Coop Preparation of biomass based pellets for use in energy generation. | $125K | 180 mo ago | — | 2003 | Steve Flick Founder | — | — | — |
| 19 | GlucanBio Manufacturer of disc springs, Belleville washers, and other precision metal components | $100K | 108 mo ago | 7 | 2012 | — | — | — | — |
Top 12 Energy companies in Missouri
#1
Seed · St. Louis, Missouri · founded 2016 · 9 employees$275Kraised▾
Rooftop wind energy solutions complementing solar power for commercial buildings. They specialize in developing wind turbine technology designed for rooftop installation, specifically to work alongside solar panels. Their innovative approach leverages the increased wind speeds at the edge of roofs to generate additional energy for commercial buildings. This offers a smart energy solution, increasing renewable energy generation. Their turbines are designed with patent-pending airfoils, developed in collaboration with scientists, to maximize power production. This provides solar installers with an additional revenue stream by offering integrated wind and solar solutions. They are focused on smart energy, renewable energy, and sustainable solutions.
- Mar 2026Seed—
- Feb 2019Grant (prize money)$225K
- 2016Grant (prize money)$50K
#2
Funding Raised · Malta Bend, Missouri · founded 2005$1Mraised▾
Operator of a corn-based ethanol plant producing renewable fuel products. The company focuses on adding value to area corn production. It utilizes technology to protect the environment while producing renewable fuel. The company's operations include corn delivery and unit trading. It provides market data, news, and commentary related to grain and energy.
- Jul 2025Grant (prize money)$1M
#3
Acquired · St. Louis, Missouri · founded 2018 · 168 employees$100Mraised▾
Provider of EPC solution, design, installation, and other project development services
- Oct 2022Conventional Debt$100M
#4
Acquired · Kansas City, Missouri · founded 2009 · 2910 employees$750Mraised▾
Retailer of propane gas based in Cleveland, Missouri. The company offers gas transportation, supply, marketing, risk management and storage services, enabling its customers to meet their residential, agricultural and industrial needs.
- Jan 2011Conventional Debt$750M
#5
Public · St. Louis, Missouri · founded 1997 · 844 employees$600Mraised▾
Thermal coal production company
- Apr 2015Post IPO—
- Oct 2012Conventional Debt$200M
- Aug 2010Conventional Debt$400M
#6
Funding Raised · Jefferson City, Missouri · founded 2015 · 171 employees$100Mraised▾
Provider of organic waste recycling services
- Mar 2019Conventional Debt$100M
#7
Deadpooled · St. Louis, Missouri · founded 2003 · 11 employees$30.2Mraised▾
Online slot gaming platform with QRIS payment and diverse game selection. It offers a wide array of online slot games accessible via mobile and desktop, emphasizing ease of access and secure transactions. The platform supports QRIS payments through e-wallets, providing a convenient deposit method. It focuses on delivering a user-friendly experience with a variety of slot games from well-known providers. The platform aims to provide a seamless and enjoyable online gaming experience with quick transactions and diverse game options. It offers login and registration features, a cart system, and customer support. The platform is committed to providing a safe and reliable environment for players to enjoy online slot games.
- Oct 2013Grant (prize money)$3M
- Jan 2013Series B$1.8M
- Jan 2011Series B$4.1M
- Sep 2010Grant (prize money)$4.5M
#8
Series A · Billings, Missouri · founded 2009 · 36 employees$16.4Mraised▾
Manufacturer of mobile flare gas treatment equipment designed to reduce emissions from flare stacks. The company's equipment decreases the volume of flared gas at the wellhead and uses proprietary flow control, mechanical refrigeration, and compression to achieve maximum recovery, enabling oil and gas industries to increase revenue while reducing negative environmental impacts.
#9
Acquired · St. Louis, Missouri · founded 2009 · 35 employees$17Mraised▾
Provider of temperature and defrost controls for HVAC systems. They offer a range of products including temperature and defrost controls, monitoring and connectivity solutions, accessories and valves, and high-side controls. The company also provides support services, including customer service, engineering and operations, and field application support. Additional resources such as case studies, software updates, and training materials are available. They cater to both end-users and contractors.
- May 2018Series A$1.3M
- Apr 2016Series A$1.5M
- Feb 2016Series A$9.1M
- Nov 2015Seed$1M
#10
Acquired · Hazelwood, Missouri · founded 2006 · 1 employees$12.7Mraised▾
Domain parking services facilitating connections between domain owners and advertisers. This platform specializes in connecting domain owners with relevant advertisers, offering a streamlined solution for monetizing unused domains. It provides a valuable service in the digital advertising ecosystem, enabling domain owners to generate revenue while offering advertisers targeted reach. The platform focuses on efficiency and ease of use, creating a mutually beneficial environment for both parties. It acts as an intermediary, ensuring a seamless experience in the domain parking process. The core business model revolves around facilitating these connections and providing the infrastructure for domain monetization.
- Sep 2008Series A$12.7M
#11
Deadpooled · Moberly, Missouri · founded 2007 · 2 employees$9.8Mraised▾
Producers Choice Soy Energy manufactures ASTM certified biodiesel using transesterification process. It uses feedstocks such as soybean oil, corn oil, used cooking oil and animal fats for manufacturing biodiesel.
- Mar 2011Grant (prize money)—
- Nov 2008Venture Debt$9.5M
- Sep 2008Grant (prize money)$300K
#12
Acquired · Chesterfield, Missouri · founded 2008 · 226 employees$4.9Mraised▾
Manufacturer of electric resistance welded (ERW) tubes
- Feb 2010Series A$4.9M
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
What Missouri researches in energy storage
Missouri University of Science and Technology and University of Missouri lead moderately optimistic energy-storage research, focusing on advanced battery technologies and microgrid optimization across 26 papers.
- Missouri University of Science and Technology18
- University of Missouri–Kansas City4
- University of Missouri4
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.