Company lists
The Houston edition · 2026

Environmentcompanies in Houston

Waste & water, solar energy, wind energy, environmental services, public companies and more: the companies building environment in Houston, Texas, with their founders, funding, team size and business models.

175 company profiles11 with recorded fundingNovember 2026 edition
Houston · Photo: Wikimedia Commons (CC BY-SA 4.0)

Recent environment business events in the United States

Funding, M&A, contract wins and launches involving 14,676 environment companies in the United States, last 24 months: 517 M&A deals · 302 Contracts · 163 funding rounds · 23 launches. Newest first; companies and investors link to their Fliar profiles. Latest event in our news feed: Jun 2026.

M&AAcquisition · Completed

Lifequest world corp acquires Established waste management equipment company

The acquisition, which closed effective June 12, 2026, adds approximately $3.5 million in annual revenue and positions LifeQuest for a strategic roadmap including PCAOB audit, SEC…

Waste management equipment
M&AAcquisition · Completed

Qe solar acquires Vanguard energy partners

QE Solar, a provider of operations and maintenance and engineering services for solar, battery storage, and energy infrastructure, has acquired Vanguard Energy Partners' operations and…

Renewable energy engineering, procurement, and construction
M&AAcquisition · Completed

CECO Environmental acquires Thermon

CECO Environmental (NASDAQ:CECO) said it has completed its acquisition of Thermon and provided an initial full-year outlook for the combined company.

Industrial / Process Heating
M&AAcquisition · Announced

Nextera energy acquires Dominion

NextEra Energy, already the world's largest utility by market cap, is set to acquire its US rival Dominion in a deal that experts say will create the world's largest electric utility.

Electric utility
ContractSupply

Linea Energy · client: Google

Linea Energy signed a 15-year, 500-MW PPA in May 2026 for its Duffy Solar Project in Matagorda County, Texas.

Renewable Energy
ContractInfrastructure

Intersect · client: Google

Google and Intersect, a clean energy developer Google acquired in March 2026, have launched construction on the Meitner Energy Center, a co-located data center and generation complex in…

Clean Energy / Data Center Infrastructure
M&AAcquisition · Completed

Evergreen acquires Osit

We're well into that next chapter, and reality is being part of Evergreen is exceeding our expectations.

Managed service providers (MSPs)
M&AAcquisition · Announced

Munters acquires Optifarm

Munters, a global leader in technologies that optimize climates, has acquired Optifarm, a UK-based provider of AI-driven livestock monitoring solutions.

AI-driven livestock monitoring solutions
FundingDebt financing

Vesper energy

Vesper Energy, a utility-scale solar and battery storage project developer, has reached financial close on $236 million in debt financing for its 201 MW Nazareth Solar project in Swisher…

Solar and battery storage
FundingLoan Facility

Range International

Range International Limited (ASX:RAN) has announced it has secured a new loan facility totalling A$454,000, designated to accelerate its growth initiatives, particularly within its…

Investors Professional and sophisticated investors
Manufacturing (Plastic Pallets)
M&AMerger · Completed

Austin american technology acquires Aqua klean systems

AAT has merged with Aqua Klean Systems (AKS) to create one company, the largest full-service cleaning company in the electronics industry.

Electronics cleaning equipment manufacturing
M&AAcquisition · Completed

M.d. sass acquires Bwx technologies

M.D. Sass LLC acquired a new stake in BWX Technologies, Inc. (NYSE:BWXT – Free Report) during the 4th quarter, HoldingsChannel.com reports. The institutional investor acquired 13,445…

Nuclear components and services
ContractSupply

Btu international · client: ANS-answer elektronik

BTU International has partnered with ANS-answer elektronik as its reflow oven distributor in Germany.

Electronics
M&AAcquisition · Completed

Jack Wang Motors Group acquires Everpower

Marubeni Corp. has transferred its entire 40% stake in Everpower IPP Co., Ltd, which operates an LNG-fired combined cycle power generation project in Taiwan, to the Jack Wang Motors…

Power Generation
FundingSeed

Sparq

SPARQ, an AI-native game engine and creator platform headquartered in Ras Al Khaimah's Innovation City, has opened an $8.5 million seed funding round with early participation from…

Investors Andreessen Horowitz's (a16z) Scout Fund
AI
M&AAcquisition · Completed

Republic services acquires Robinson Waste Holdings Group LLC

ERA Partners LLC, a San Francsico-based private investment firm, says it has completed its sale of Robinson Waste Holdings Group LLC to Republic Services Inc.

Recycling and waste services
M&AMerger · Announced

Dominion energy acquires Nextera energy

Law.com, Law360, Bloomberg Law, the Financial Times, The Deal and Legal Business were among the global media outlets highlighting McGuireWoods' role advising Dominion Energy in its…

Electric utility / energy infrastructure
M&AAcquisition · Completed

Nano Nuclear acquires Sts

NANO Nuclear acquired STS through its existing transportation subsidiary, Advanced Fuel Transportation Inc., for total consideration of up to $13 million.

Transportation
M&AAcquisition · Announced

Otovo acquires Sunsystem technology

Small-scale solar system services company Otovo plans to acquire commercial O&M brand SunSystem Technology for $770,000 in cash and $1.3 million in a three-year earn-out.

Commercial O&M (operations and maintenance)
M&AAcquisition · Completed

Engie north america acquires Systecon

Engie North America, a subsidiary of the French energy giant, has acquired Systecon LLC, an Ohio-based company specializing in cooling and water delivery equipment.

HVAC and mechanical contracting
M&AAcquisition · Announced

Solaria acquires Data center joint venture led by Telefónica and ACS

Spanish energy firm Solaria is reportedly in talks to acquire a stake in a data center joint venture led by Telefónica and ACS, valued at around €4 billion ($4.71bn).

Data centers
M&AMerger · Announced

Nextera energy acquires Dominion energy

Vinson & Elkins is representing Lazard as lead financial advisor, and Bank of America as financial advisor, to NextEra Energy, Inc. in connection with its definitive agreement to combine…

Energy
M&AAcquisition · Announced

Aventia acquires ECM Consultants

Aventia, a national environmental services provider backed by Bernhard Capital Partners, has significantly expanded its engineering and infrastructure capabilities through the…

Engineering and infrastructure consulting
M&AMerger · Announced

Azuria Water Solutions acquires Inframark

Azuria Water Solutions and Inframark unite in a $5.5 billion deal, forming a comprehensive municipal water services leader.

Water Services
M&AMerger · Announced

Nextera acquires Dominion energy

U.S. electricity and energy infrastructure giants NextEra and Dominion Energy announced a merger agreement on Monday, in a deal that will create the world's largest regulated electric…

Electricity and energy infrastructure
M&AAcquisition · Completed

Sequoia Financial Advisors acquires Clean harbors

Sequoia Financial Advisors LLC acquired a new stake in shares of Clean Harbors, Inc. (NYSE:CLH – Free Report) in the fourth quarter, according to its most recent disclosure with the SEC.…

Business services
M&AAcquisition · Announced

Clean harbors acquires Terra nova solutions

Crescentia Capital ("Crescentia") is pleased to announce that its portfolio company, Terra Nova Solutions ("Terra Nova" or the "Company"), has been acquired by Clean Harbors, Inc.…

Hazardous and non-hazardous industrial waste solutions
M&AAcquisition · Announced

Milepost acquires Trollhättan Energi

Milepost announced acquisition of electric vehicle charging stations from utility and waste management services provider Trollhättan Energi.

Utility and waste management services
M&AAcquisition · Pending

Ceco environmental corp acquires Thermon Group Holdings

CECO and Thermon Group Holdings, Inc. jointly announced today that, in connection with CECO's pending acquisition of Thermon, the deadline for Thermon stockholders to elect the form of…

Industrial technology
M&AAcquisition · Announced

Pine Services Group acquires Stratus Consulting

Australian ERP consultancy Stratus Consulting has been purchased by Pine Services Group, a private equity-backed IT services group.

ERP consultancy

Environment companies in Houston, by funding and team

Few environment companies in Houston, Texas publish revenue, so this list compares what is on record instead: recorded equity funding, team size, revenue model, age and stage. The 50 companies below lead on recorded funding and team size among 175 active companies.

Showing 25 of 50

A residential solar and energy storage provider

Solar energy
US$1.54bnSeries G · Nov 2018
575+119% 12 mo to Dec 2022LinkedIn · Oct 2026
Fee-for-service
16 yr2010
0none in 3 months · last posted Jun 2026

Provider of power generation facilities

Solar energy
US$1.50bnSeries D · Oct 2025
—Not available
Not available
9 yr2017
0none in 3 months · last posted Sep 2025

Provider of waste water treatment services

Waste & water management
US$138.86mSeries B · Dec 2016
1,785+52% 12 mo to Dec 2021LinkedIn · Oct 2026
Fee-for-service
18 yr2008
0none in 3 months · last posted May 2025

Provider of water management services

Waste & water management
US$23.00mSeries B · May 2024
23LinkedIn · Jul 2026
Physical commerce
7 yr2019
0none in 3 months · last posted Jul 2025

Developer of wind energy projects

Solar energy
US$9.00mSeries A · May 2024
11+60% vs previous recordLinkedIn · Jul 2026
Physical commerce
9 yr2017
0none in 3 months

Provider of oilfield waste management services

Waste & water management
US$8.00mSeed · Sep 2023
43+39% 12 mo to Dec 2022LinkedIn · Jul 2026
Fee-for-service
12 yr2014
0none in 3 months

Provider for water and wastewater treatment applications

Waste & water management
US$7.16mSeries A · Mar 2022
9LinkedIn · Jul 2026
Physical commerce
13 yr2013
0none in 3 months

Provider of water management services

Waste & water management
US$6.01mSeries A · Jul 2018
17LinkedIn · Jul 2026
Fee-for-service
8 yr2018
0none in 3 months

Provider of drinking water services

Waste & water management
US$5.00mSeries A · Aug 2014
5LinkedIn · Jul 2026
Physical commerce
14 yr2012
0none in 3 months

Provider of waste recycling services in oil industry

Waste & water management
US$4.49mSeries A · Sep 2004
231+76% 12 mo to Feb 2023LinkedIn · Oct 2026
Commission on transaction / E-commerce - product
25 yr2001
0none in 3 months · last posted Jul 2025

Provider of carbon trading, advisory, asset management, and environmental consultancy services

Environment consultancy services
US$200kSeed · May 2023
—Not available
Fee-for-service
4 yr2022
—No postings tracked

Provider of integrated renewable and low-carbon energy solutions

Oil & gas downstream
—None recorded
3,235+8% 12 mo to Dec 2021LinkedIn · Oct 2026
Commission on transaction / Fee-for-service
45 yr1981
0none in 3 months · last posted Jun 2026

TNT Crane and Rigging provides crane services.

Wind energy
—None recorded
1,750+100% vs previous recordrecorded
Fee-for-service
41 yr1985
—No postings tracked

Rockwater Energy Solutions is a fluids and environmental solutions provider offering customized products and services to the water, stimulation, fracturing, fluids, and production needs of our customers throughout the U.S.

Waste & water management
—None recorded
756-2% vs previous recordrecorded
E-commerce - product / Physical commerce
—
—No postings tracked

Developer of solar energy projects

Solar energy
—None recorded
335+432% 12 mo to Dec 2021recorded Dec 2021
Fee-for-service
42 yr1984
0none in 3 months

Wild Well Control, Inc.

Air management services
—None recorded
271+3% vs previous recordrecorded
Fee-for-service
51 yr1975
—No postings tracked

Provider of water management services

Waste & water management
—None recorded
225+21% vs previous recordLinkedIn · Jul 2026
Fee-for-service
17 yr2009
0none in 3 months · last posted Jun 2026

Provider of waste recycling services

Waste & water management
—None recorded
96-1% vs previous recordLinkedIn · Oct 2026
Physical commerce
81 yr1945
0none in 3 months · last posted Nov 2025

Provider of carbon reduction services

Air management services
—None recorded
226+8% vs previous recordLinkedIn · Jul 2026
Fee-for-service
25 yr2001
—No postings tracked

Provider of HVAC systems, building automation, and energy management solutions

Green buildings
—None recorded
199+1% vs previous recordLinkedIn · Jul 2026
Fee-for-service
45 yr1981
0none in 3 months · last posted Jun 2026

Provider of water management services

Waste & water management
—None recorded
138+51% 12 mo to Dec 2021LinkedIn · Jul 2026
Commission on transaction / Fee-for-service
13 yr2013
0none in 3 months · last posted Jun 2026

Ferrous and non-ferrous commodity trading Scrap Metal Recycling projects Destruction of electronic and/or metal components

Waste & water management
—None recorded
162+25% vs previous recordrecorded
E-commerce - product / Physical commerce
8 yr2018
—No postings tracked

Developer of solar and wind energy projects

Solar energy
—None recorded
13-5% 12 mo to Dec 2022LinkedIn · Oct 2026
Commission on transaction / E-commerce - product
27 yr1999
0none in 3 months

Created by the Texas Legislature in 1969, Gulf Coast Waste Disposal Authority (GCA) is a non-tax supported unit of local government dedicated to waste management activities.

Waste & water management
—None recorded
159+2% vs previous recordLinkedIn · Jul 2026
Fee-for-service
57 yr1969
0none in 3 months · last posted Jun 2026

Iberdrola Renovables (www.iberdrolarenovables.com) is the world's leading provider of wind power globally.

Wind energy
—None recorded
94-3% vs previous recordLinkedIn · Jul 2026
Advertising / Commission on transaction
—
—No postings tracked
50 of 175 companies shown here · the full list is on Radar
Fliar Radar

Explore all 175 environment companies in Houston on Radar

This page shows the top 50. Radar has the complete, filterable list with contacts and live company signals.

Open environment in Houston on Radar
  • Every company, not just 50All 175 environment companies in Houston, filterable by stage, funding, team size, revenue model and age.
  • Founders and decision-makersLeadership teams with roles and verified LinkedIn profiles, ready for outreach.
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Explore environment companies in Houston by what you are looking for

Browse environment companies in Houston for water, waste, and renewable energy services. Discover environmental services and environmental consulting companies for sustainability projects.

7 ways to explore environment in Houston

Waste management & water treatment companiesSolar energy companiesWind energy companiesEnvironmental consulting & air quality servicesPublic environment companiesEnvironment startups in Houston

Waste management & water treatment companies

Find waste recycling, wastewater treatment, and water management providers.

  1. Select Water

    Provider of waste water treatment services

    Waste & water management
    See in list
  2. SunGas Renewables

    Provider of water management services

    Waste & water management
    See in list
  3. Advantek Waste Management Services

    Provider of oilfield waste management services

    Waste & water management
    See in list
  4. Drylet

    Provider for water and wastewater treatment applications

    Waste & water management
    See in list
  5. Blackbuck Resources

    Provider of water management services

    Waste & water management
    See in list
67 companies in Houston

Solar energy companies

Explore solar developers, solar products, and renewable energy providers.

  1. Sunnova

    A residential solar and energy storage provider

    Solar energy
    See in list
  2. Alpha Generation

    Provider of power generation facilities

    Solar energy
    See in list
  3. Aeromine Technologies

    Developer of wind energy projects

    Solar energy
    See in list
  4. ENGIE

    Provider of integrated renewable and low-carbon energy solutions

    Oil & gas downstream
    See in list
  5. Orbital Energy Group

    Developer of solar energy projects

    Solar energy
    See in list

Wind energy companies

Browse wind energy developers, turbine providers, and clean power companies.

  1. Aeromine Technologies

    Developer of wind energy projects

    Solar energy
    See in list
  2. ENGIE

    Provider of integrated renewable and low-carbon energy solutions

    Oil & gas downstream
    See in list
  3. tnt crane & rigging

    TNT Crane and Rigging provides crane services.

    Wind energy
    See in list
  4. Iberdrola Renewable Energy Services

    Iberdrola Renovables (www.iberdrolarenovables.com) is the world's leading provider of wind power globally.

    Wind energy
    See in list
  5. EverLine

    Provider of integrated technical, regulatory, and security solutions for critical infrastructure

    Wind energy
    See in list

Environmental consulting & air quality services

Find environmental consultants, carbon services, and air quality specialists.

  1. Truuli Environmental

    Provider of carbon trading, advisory, asset management, and environmental consultancy services

    Environment consultancy services
    See in list
  2. Wild Well Control

    Wild Well Control, Inc.

    Air management services
    See in list
  3. Anew

    Provider of carbon reduction services

    Air management services
    See in list
  4. KTI Corporation

    KTI is a thermal process engineering company specializing in the industrial applications of heat transfer, combustion engineering, waste heat recovery and emission reduction.

    Air management services
    See in list
  5. aarc environmental

    AARC Environmental offers high quality and cost-efficient environmental services.

    Environment consultancy services
    See in list

Public environment companies

See publicly listed environment companies in Houston.

  1. Sunnova

    A residential solar and energy storage provider

    Solar energy
    See in list
  2. Select Water

    Provider of waste water treatment services

    Waste & water management
    See in list
  3. Vertex Energy

    Provider of waste recycling services in oil industry

    Waste & water management
    See in list
  4. Orbital Energy Group

    Developer of solar energy projects

    Solar energy
    See in list
  5. WaterBridge

    Provider of waste disposal and recycling services

    Waste & water management
    See in list
9 companies in Houston

Environment startups in Houston

Find newer environment companies in Houston.

  1. Truuli Environmental

    Provider of carbon trading, advisory, asset management, and environmental consultancy services

    Environment consultancy services
    See in list
  2. EDPR NA DG

    Developer of solar energy projects

    Solar energy
    See in list
  3. EverLine

    Provider of integrated technical, regulatory, and security solutions for critical infrastructure

    Wind energy
    See in list
  4. Austin Elements

    Provider of lithium ion battery recycling services

    Waste & water management
  5. Verdeco2

    Developer of carbon capture and storage (CCS) projects. It manages all aspects of CCS, from carbon capture and transmission to storage and monitoring. This includes subsurface analysis, surface facility design and installation, E&P operations, regulatory compliance, contract negotiation, and project management. The company works directly with point-source emitters, focusing on permanent CO2 sequestration. It leverages expertise in engineering, construction, legal, and regulatory matters to develop commercially viable projects. Financial industry relationships facilitate project financing and o

    Air management services
18 companies in Houston

Environment companies hiring in Houston

Browse environment employers with hiring activity.

  1. Sunnova

    A residential solar and energy storage provider

    Solar energy
    See in list
  2. Alpha Generation

    Provider of power generation facilities

    Solar energy
    See in list
  3. Select Water

    Provider of waste water treatment services

    Waste & water management
    See in list
  4. SunGas Renewables

    Provider of water management services

    Waste & water management
    See in list
  5. Vertex Energy

    Provider of waste recycling services in oil industry

    Waste & water management
    See in list
18 companies in Houston
Mobile reach

Top 4 environment apps from Houston

The most-installed Android apps published by environment companies headquartered in Houston — 80K installs between them. 4 companies on this page publish at least one app; each company (legal entity) appears once, with its most-installed app.

1 of 4
1

Sunnova

by Sunnova

Installs80K
Rating1.75464 ratings
Last updatedMay 2026
Sunnova screenshot 1Sunnova screenshot 2Sunnova screenshot 3Sunnova screenshot 4
2

Poolsure Mobile

by Poolsure

Installs504
Rating—
Last updatedMay 2026
Poolsure Mobile screenshot 1Poolsure Mobile screenshot 2Poolsure Mobile screenshot 3Poolsure Mobile screenshot 4Poolsure Mobile screenshot 5Poolsure Mobile screenshot 6
3

Select Water365

by Select Water

Installs46
Rating—
Last updatedFeb 2026
Select Water365 screenshot 1Select Water365 screenshot 2Select Water365 screenshot 3Select Water365 screenshot 4Select Water365 screenshot 5Select Water365 screenshot 6
4

Vertices AQS

by illumiPure

Installs6
Rating—
Last updatedJan 2023
Vertices AQS screenshot 1Vertices AQS screenshot 2Vertices AQS screenshot 3Vertices AQS screenshot 4Vertices AQS screenshot 5Vertices AQS screenshot 6
RadarBrowse every environment company in Houston on RadarOpen the full list and use the App Downloads and App Growth filters to keep only companies with a mobile app. This rail shows only the ten most-installed.Browse on Radar
For investors and data teams

Put this intelligence into your own tools

The figures on this page come from Fliar’s company, funding, hiring and news data. Use it through the Investor Intelligence API and company data exports, or explore every company, founder and investor in Radar.

Capital & corporate activity

Environment funding and M&A across the United States

2,477 recorded equity rounds have gone to 14,676 environment companies in the United States — how much, at which stage, into which sub-sectors, from whom, and how Houston compares. Debt, IPO and grant rounds are excluded.

equity rounds, last 12 months42

US$13.16bn

equity rounds, last 24 months164

US$20.04bn

raised over five yearsUS$37.75bn

709 rounds in the United States

M&A deals, the United States517

last 24 months

Capital by year

Equity funding into environment in the United States

amount rounds
$1.7bn2018110
$1.2bn201991
$1.1bn202096
$4.5bn2021115
$6.1bn2022168
$3.0bn2023153
$4.5bn2024127
$7.0bn2025112
$13bn202634

Bars show US$ raised; the number under each year is equity rounds. 2026 is year to date. The peak year was 2025, with US$7.00bn across 112 rounds.

The funding ladder · five years

Rounds and typical cheque by stage

AngelUS$91.50m3 rounds · median US$45.75m
SeedUS$609.96m360 rounds · median US$1.00m
Series AUS$2.47bn153 rounds · median US$7.00m
Series BUS$5.32bn69 rounds · median US$21.56m
Series CUS$3.76bn38 rounds · median US$57.82m
Series D+US$23.02bn55 rounds · median US$200.00m
Private equityUS$2.48bn31 rounds · median US$150.00m
Where the money went · five years

Most-funded sub-sectors

Solar energyUS$11.40bn202 rounds · 150 companies
Air management servicesUS$11.27bn37 rounds · 23 companies
Nuclear energyUS$10.20bn101 rounds · 38 companies
Waste & water managementUS$1.45bn204 rounds · 140 companies
Wind energyUS$1.40bn40 rounds · 28 companies
Energy efficiency techUS$516.76m5 rounds · 1 companies
Air pollution management techUS$397.37m14 rounds · 8 companies
Corporate activity · last 24 months

M&A in the United States

454Acquisition
53Merger
6Completed

Most active acquirers

  1. Evergreen13
  2. Nv5 global13
  3. Bwx technologies9
  4. Agilyx7
  5. A. o. smith6

Most acquired or merged

  1. Tae technologies7
  2. Republic services6
  3. Intersect6
  4. Waste connections6
  5. Select water solutions6

Each deal appears in the events strip at the top of the page.

Go deeper in the environment landscape reports:

Environment Industry Landscape of the United States
Industry landscape report

Environment Industry Landscape of the United States

The financials above are one chapter. The full environment landscape of Houston maps the whole industry — every segment, the capital behind it, the talent market and where the next opportunities are.

  • Market map of every sub-sector
  • Funding & company formation by year
  • Revenue, profit & financial strength
  • Digital footprint: traffic, apps, releases
  • Hiring, skills & pay
  • Founders & leaders
  • News & sentiment
  • Where demand runs ahead of supply
Read the environment landscape of Houston

Environment funding in Houston

11 environment companies in Houston have recorded equity funding, US$3.24bn in total. Totals and round dates describe the historical record; they are not current valuations.

Founders and momentum in Houston

Meet the people behind environment companies in Houston. 37 of 175 companies list founders or leaders; where a public LinkedIn profile matches exactly, the expanded profile shows the photo, headline, location and education.

Explore Houston environment companies by sub-sector

The most common specialisations among environment companies in Houston. Open a company to see what it sells, who runs it and how far it has come.

Keep exploring environment in the United States and nearby markets.

Explore more lists: nearby cities and other sectors in Houston

112 more company lists you can search, plus the Radar directory pages for each place.

Environment in nearby cities

Environment in other US cities

Other sectors in Houston

Browse the Radar directory

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