Best Environment Companies in Indiana, United States
The 99 best Environment companies in Indiana, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: OneSource Water.
Our analysis of 90 Environment companies
$38.2b in tracked funding; 89% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Environment companies in Indiana
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | OneSource Water Manufacturer and supplier of point-of-use (POU) water dispensers | $58M | 126 mo ago | Acquired | Casey Taylor CEO | 2005 | — | — | — |
| 2 | Aqua Systems Provider of water purification and treatment services | $30M | 252 mo ago | Acquired | — | 1984 | — | — | — |
| 3 | ReElement Technologies Provider of metal recovery solutions for rare earth elements and critical battery metals 45Partners top 26%Funding top 30%News top 46%Growth top 47% All 8 signals ▾Partnerstop 26% Fundingtop 30% Newstop 46% Growthtop 47% Techtop 49% Talentbottom 49% Marketbottom 36% Globalbottom 29% Partners: 1 partnership announcement in 12 mo (4 in 24 mo) · 4 contract events in 12 mo Funding: Raised $3.1M across 4 rounds · 4 rounds over 2 yrs (2.0/yr) rank vs industry peers · Fliar Intelligence Index 45/100 | $3M | 5 mo ago | Series B | Mark Jensen CEO | 2016 | WebflowHubSpotcore-js+15 | — | 2 job openings · 1 expansion · 1 award |
| 4 | Crossroads Solar Manufacturer of high quality solar panels | $500K | 28 mo ago | Seed | Patrick Regan Co-Founder & CEO | 2019 | Cart FunctionalityWeeblyMySQL+22 | — | — |
| 5 | Entech Provider of tire recycling services | $100K | 67 mo ago | Funding Raised | — | 1995 | — | — | — |
| 6 | Arcwood Environmental Provider of environmental services specializing in waste management and technical solutions | — | 36 mo ago | Late Stage | H Nanda Chief Executive Officer | 1970 | WordPressApple iCloud MailMySQL+26 | — | 2 internships · 1 expansion |
| 7 | Inovateus Solar Solar PV solution supplier and installer | — | 51 mo ago | Seed | — | 2007 | WordPressApple iCloud MailMicrosoft 365+14 | — | — |
| 8 | Keter Provider of waste & recycling management services | — | 55 mo ago | Late Stage | — | 2011 | WebflowTypekitGoogle Font API+20 | — | — |
Top 12 Environment companies in Indiana
#1
Series B · Fishers, Indiana · founded 2016$3.1Mraised▾
ReElement Technologies is a technology company that specializes in metal recovery. They have developed a platform that can recover rare earth elements and critical battery metals from both recycled materials and mined ores. Their innovative process is cost-effective and has the potential to impact various industries.
- Jan 2026Series B$200M
- Nov 2025Conventional Debt$80M
- Sep 2025Grant (prize money)$2M
- Aug 2024Series A$3.1M
#2
Acquired · Indianapolis, Indiana · founded 2005 · 51 employees$57.6Mraised▾
Manufacturer and supplier of point-of-use (POU) water dispensers
- Dec 2015Conventional Debt$60M
- Jul 2014Series C$10M
- Apr 2014Series C$5.1M
- May 2013Series C$31.5M
#3
Acquired · Avon, Indiana · founded 1984 · 16 employees$30Mraised▾
Provider of water purification and treatment services
- Jun 2005Series D$3M
- Feb 2005Series D$2M
- Aug 2004Series D$2M
- Jan 2003Series D$23M
#4
Seed · South Bend, Indiana · founded 2019$499.5Kraised▾
Crossroads Solar is a company that manufactures high quality solar panels in South Bend, Indiana. They have a unique workforce entirely made up of second-chance citizens, providing jobs and life skills for recently released felons. The company's core mission is to change lives and the planet one panel at a time.
- Feb 2024Seed$499.5K
#5
Funding Raised · Elkhart, Indiana · founded 1995 · 150 employees$100Kraised▾
Manufacturer of micronized and crumb rubber powder intended to be built for multi-industry applications. The company is an innovative rubber recycler specializing in the production of rubber material as well as thermoplastic elastomer compounding, enabling clients with environmentally-safe and durable alternatives to existing conventional options.
- Oct 2020Grant (prize money)$100K
#6
Late Stage · Indianapolis, Indiana · founded 1970—raised▾
Provider of environmental services specializing in waste management and technical solutions. They offer waste transportation, treatment, disposal, and recycling. The company delivers technical solutions, including chemical identification, lab packing, and waste shipment preparation. Onsite services, emergency response, and environmental compliance training are also provided to customers.
#7
Seed · South Bend, Indiana · founded 2007 · 48 employees—raised▾
Inovateus Solar is a solar developer that provides designing, engineering, procurement and construction services in the United States’ Midwest. The company claims that they have developed and built more than 250 MW of utility, rural electric cooperative, commercial, industrial, governmental, educational and microgrid solar power systems in the U.S., the Caribbean and Latin America.
- Feb 2022Seed—
#8
Late Stage · Indianapolis, Indiana · founded 2011 · 111 employees—raised▾
Provider of waste & recycling management services
- Nov 2021PE—
#9
Funding Raised · Granger, Indiana · founded 2003 · 5 employees—raised▾
Provider of waste water treatment services
- Feb 2020Grant (prize money)—
#10
Seed · Mooresville, Indiana · founded 2010 · 138 employees—raised▾
Vertically integrated solar developer providing affordable, low-risk power solutions. They control all stages of solar projects in-house, from land acquisition and permitting to design, engineering, construction, operations, and maintenance. This integrated model ensures pricing and term flexibility for corporate, institutional, and utility partners. They are committed to sustainable development and creating employment opportunities, positively impacting communities. They are experts in utility-scale corporate and institutional development projects, structuring power purchase agreements for large-scale solar facilities. They are a premier player in solar energy development, offering innovative and ambitious projects. They focus on renewable energy, solar power, and utility solutions, contributing to a greener future.
- Feb 2016Angel—
#11
Acquired · Terre Haute, Indiana · founded 1974 · 250 employees—raised▾
Provider of plastics waste recycling services
- Mar 2014PE—
#12
Funding Raised · Indianapolis, Indiana · founded 1926 · 1192 employees—raised▾
Manufacturer of solar powered products
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Environment coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
What Indiana researches in environmental monitoring
Indiana University Bloomington and IUPUI lead cautiously optimistic environmental-monitoring research (mean stance 0.19), focusing on sensor networks, aquatic ecosystems, and agricultural remote sensing.
- Indiana University Bloomington6
- Indiana University – Purdue University Indianapolis6
- University of Indianapolis3
- Indiana State University2
- Marian University - Indiana1
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.