Best Environment Companies in Tennessee, United States
The 64 best Environment companies in Tennessee, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Silicon Ranch.
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 Tennessee
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Silicon Ranch developer of solar power projects 67Funding top 11%Growth top 26%Moat top 31%Talent bottom 49% All 8 signals ▾Fundingtop 11% Growthtop 26% Moattop 31% Talentbottom 49% Marketbottom 45% Techbottom 43% Newsbottom 42% Globalbottom 37% Funding: Raised $1.9B across 12 rounds · 12 rounds over 12 yrs (1.0/yr) Growth: Headcount 74 → 115 (+55%) across vintages · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 67/100 | $1.9B | 1 mo ago | Series G | Reagan Farr President / CEO | 2010 | WordPressMySQLPHP+17 | — | — |
| 2 | EOD Technology Provider of health management consulting services | $88M | 175 mo ago | Acquired | — | 1987 | — | — | — |
| 3 | Santek Provider of waste collection and disposal services to domestic, commercial & industrial customers | $75M | 85 mo ago | Acquired | Kenneth Higgins Founder & CEO | 1987 | — | — | — |
| 4 | Hecate Energy Provider of solar power plants, natural gas–fired power plants, wind power plants, and energy storage… | $6M | 61 mo ago | Acquired | Chris Bullinger CEO & President | 2012 | SalesforceWindows ServerZURB Foundation+10 | — | — |
| 5 | Solar Alliance Commercial solar solutions and clean energy experts in the Southeast | $6M | 25 mo ago | Public | — | 2003 | WordPressMySQLPHP+17 | — | — |
| 6 | Glanris Waste water recycling company | $5M | 35 mo ago | Series A | Tom Volinchak Co-Founder | 2018 | — | 3 patents Regenerating activated carbon filters and removing heavy metals from wastewater using bio‑char. | — |
| 7 | RAS-Tech Manufacturer of asphalt-based products using recycled waste | $4M | 156 mo ago | Seed | Tom Zickell Founder | 2007 | — | — | — |
| 8 | Greenrise Technologies Provider of greenroof and stormwater management services | $2M | 106 mo ago | Acquired | Rob Pepper Founder | 2006 | — | — | 1 award |
| 9 | Veracity Nuclear Provider of simulation and analysis for the nuclear power industry | $2M | 6 mo ago | Funding Raised | David Kropaczek Chief Executive Officer | 2021 | — | — | — |
| 10 | New Wind Technology developer of rooftop solar and energy efficiency solutions | $2M | 136 mo ago | Deadpooled | — | 2010 | — | — | — |
| 11 | Heat Remote Sensing Developer of remote sensing technology for vehicle emissions detection and reporting | $875K | 102 mo ago | Seed | John Hager CEO | 2009 | — | — | — |
| 12 | Novastus Provider of waste management solutions | $606K | 16 mo ago | Funding Raised | Kelly Warbis Co-Founder / CEO | 2019 | — | — | — |
| 13 | Fountain Fuel Zero-emissie energiestations: waterstof tanken en elektrisch laden | — | 18 mo ago | Funding Raised | — | — | WordPressMySQLPHP+25 | — | — |
| 14 | Shoals Manufacturer of Balance of System Solutions | — | 108 mo ago | Public | — | 1996 | WordPress Site EditorWordPressApple iCloud Mail+32 | 21 patents Solar farm hardware integration: monitoring, cable management, and tracker power transmission systems. | 1 partnership |
Top 12 Environment companies in Tennessee
#1
Series G · Nashville, Tennessee · founded 2010 · 115 employees$1.9Braised▾
developer of solar power projects
- Jun 2025Series G$450.5M
- May 2025Grant (prize money)$3.1M
- Dec 2022Series F$375M
- Jan 2022Series F$775M
#2
Funding Raised · Lenoir City, Tennessee · founded 2021$2.4Mraised▾
Provider of simulation and analysis for the nuclear power industry. The company delivers services through deployment of integral core and plant simulation capabilities. It offers technical expertise to support efficient simulator for multi-cycle core analysis. The company has developed a fast-running three-dimensional simulator for multicycle fuel and core analysis.
- Dec 2025Grant (prize money)$206.5K
- May 2025Grant (prize money)$203.1K
- Apr 2025Grant (prize money)$206.5K
- Jul 2024Grant (prize money)$206.5K
#3
Funding Raised · Cookeville, Tennessee · founded 2019$606.5Kraised▾
Provider of waste management solutions. It uses NovaDry technology, a non-thermal drying system that removes moisture from any solid waste feedstock and turns it into a carbon-negative fuel for clean power, cement, or sustainable fuels.
- Jan 2025Conventional Debt$400K
- Jul 2024Grant (prize money)$206.5K
#4
Public · Knoxville, Tennessee · founded 2003 · 26 employees$6.4Mraised▾
Commercial solar solutions and clean energy experts in the Southeast. They are an engineering, procurement, and construction source for solar projects of all sizes, from large commercial installations to small businesses. The team helps clients meet corporate mandates, conserve energy, and save money with solar power. They offer solar power design services, boasting years of experience and certified professionals. They provide solutions for commercial solar projects across North America, serving manufacturing, data centers, professional buildings, agriculture, and utilities. They design solar solutions tailored to specific needs, working with local utilities for smooth interconnection. Their services include commercial solar, electric bill savings, commercial generators, utility/community solar, battery energy storage systems, microgrids, and builder sunbox systems. They also offer solar case studies, project development, resources, and educational programs. They focus on energy independence, environmental sustainability, and demand management.
- May 2024Post IPO$511.8K
- Jan 2021Post IPO$5.8M
- Jul 2016Post IPO$97.5K
#5
Acquired · Cleveland, Tennessee · founded 1987 · 300 employees$75Mraised▾
Provider of waste collection and disposal services to domestic, commercial & industrial customers
- May 2019Conventional Debt$75M
- May 2019PE$75M
- Aug 2013Conventional Debt$65M
#6
Acquired · Knoxville, Tennessee · founded 1987 · 196 employees$87.8Mraised▾
EOD Technology, Inc., (EODT) is an employee-owned company that provides munitions response, security services, and critical mission support worldwide in austere and hostile environments. Since 1987, EODT ensures the safety, security, and operational readiness of our customers. We deliver our services on a global scale in high-risk areas. Whether our customers require mine action, IT/communications, convoy, canine, life support or range support, we deliver success.
- Oct 2011Series C$22.5M
- Sep 2010Series C$65.4M
#7
Series A · Memphis, Tennessee · founded 2018 · 7 employees$4.6Mraised▾
Waste water recycling company
- Jul 2023Grant (prize money)$174.7K
- Mar 2021Series A$2M
- May 2020Seed$1.8M
- Jun 2019Seed$800K
#8
Acquired · Nashville, Tennessee · founded 2012 · 46 employees$6.5Mraised▾
Hecate Energy develops, owns, and operates solar, natural gas, wind, and energy-storage projects in the United States, Jordan, Pakistan, Tanzania, and Kenya. The company specializes in thermal and renewable power generation, including coal-fired, gas-fired, hydro-powered, solar-powered, and wind-powered generation. They also specialize in zoning & permitting, community collaboration, financing, etc.
- May 2021Seed—
- Jun 2017Conventional Debt$6.5M
#9
Seed · Brentwood, Tennessee · founded 2007 · 6 employees$4.1Mraised▾
Manufacturer of asphalt-based products intended to be used for varied uses. The company recovers petroleum content from asphalt shingle waste with proprietary methods and technology by collecting, hauling and processing asphalt tear-off shingles, enabling people to get products from asphalt shingle.
- May 2013Seed$290K
- May 2013Conventional Debt—
- Jun 2012Seed$675K
- Jun 2012Conventional Debt—
#10
Acquired · Readyville, Tennessee · founded 2006 · 13 employees$2.4Mraised▾
Provider of greenroof and stormwater management services
- Aug 2017Seed$2.4M
#11
Deadpooled · Nashville, Tennessee · founded 2010 · 6 employees$2.2Mraised▾
New Wind was initially engaged in developing Vertical Axis wind turbines, hybrid light towers, and sustainable telecom solutions, before evolving to more comprehensive solar solutions like solar roofs. Additionally, New Wind also works with energy efficiency products such as LED and Induction lighting for entire buildings or for individual houses.
- Jan 2015Seed$1.2M
- Mar 2012Seed$1M
#12
Seed · Knoxville, Tennessee · founded 2009$875Kraised▾
Developer of remote sensing technology for vehicle emissions detection and reporting. The system uses laser-based technology to measure gases emitted from moving vehicles. It detects and quantifies various gases in real-time without requiring calibration. The technology measures exhaust temperature to differentiate between warmed-up and cold-start states. It reports measurements in grams per kg of fuel, parts per million, ratios, and grams per distance.
- Dec 2017Grant (prize money)$17.7K
- May 2014Seed$875K
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
How research on Environmental Monitoring is moving in the United States
A read on the academic research around Environmental Monitoring — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 3,039 United States-affiliated papers.
- United States Geological Survey157
- Cary Institute of Ecosystem Studies112
- Environmental Protection Agency84
- National Research Council79
- National Park Service76
- Software deployment2→31
- Pollution3→27
- Air quality index1→25
- Water quality10→34
- Air pollution3→25
- Air quality index14→60
- Air pollution8→51
- Pollutant4→32
- Sampling (signal processing)14→42
- Water quality23→48
- Human health1→32
- Pollution4→33
- Air quality index6→31
- Pollutant6→28
- Biodiversity1→22
Where environmental monitoring 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 environmental monitoring patents in the United States
United States environmental monitoring patent filing is accelerating — 450 filings from 343 assignees (2016–2025), led by LEEO, Valencell, United Parcel Service; annual filings 47→49.
- LEEO41
- Valencell25
- United Parcel Service21
- Honeywell INT20
- Apple18
- Venturedyne18
- Pillar TECH17
- IND Scient16
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.