Company lists · Data refreshed September 2026

Top 14 Environmental data analytics companies based in Houston, United States

RevenueBase identified 31 environmental data analytics companies headquartered in Houston, United States as of September 2026 and tracks 708 professional contacts across them, including 197 with verified work emails. Across the United States, Houston is the largest hub for this category.

This list covers environmental data analytics companies headquartered in Houston, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review
31Companies
708Contacts tracked
197Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 14 largest environmental data analytics companies based in Houston, United States

Ranked by team size
Top 14 of 31 environmental data analytics companies based in Houston, United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to environmental data analytics companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceHouston, TX, United StatesHQ checked Sep 28, 2026201-500259 contacts →

Partial evidence

“GSI Environmental, Inc.(GSI), is an environmental engineering and science consulting firm committed to measuring, analyzing, and solving complex environmental problems around the…”

Source: RevenueBase Database · checked Sep 28, 2026
2Partial evidenceHouston, TX, United StatesHQ checked Sep 28, 202651-20086 contacts →

Partial evidence

“Welligence is a pioneering energy analytics firm leveraging cutting-edge machine learning to revolutionize the oil and gas analytics landscape.”

Source: RevenueBase Database · checked Sep 28, 2026
3Indirect evidenceHouston, TX, United StatesHQ checked Sep 28, 202651-20029 contacts →

Indirect evidence

“Innowatts is now a part of GridX.”

Source: RevenueBase Database · checked Sep 28, 2026
4Indirect evidenceHouston, TX, United StatesHQ checked Sep 28, 202611-5024 contacts →

Indirect evidence

“Envana Software Solutions provides digital greenhouse gas emissions management software-as-a-service products.”

Source: RevenueBase Database · checked Sep 28, 2026
5Partial evidenceHouston, TX, United StatesHQ checked Sep 28, 20261-107 contacts →

Partial evidence

“Enertel was founded by oil and gas industry veterans and former CIA clandestine officers with the mission of blending data science with US Intelligence best practices to provide…”

Source: RevenueBase Database · checked Sep 28, 2026
6Partial evidenceHouston, TX, United StatesHQ checked Sep 28, 202611-506 contacts →

Partial evidence

“In an effort to increase service efficiency and well productivity, oil and gas operators are collecting more data than ever before.”

Source: RevenueBase Database · checked Sep 28, 2026
7Indirect evidenceHouston, TX, United StatesHQ checked Sep 28, 202611-506 contacts →

Indirect evidence

“an MIT spinout based in Houston, Texas, is the technology leader in upstream energy and water intelligence.”

Source: RevenueBase Database · checked Sep 28, 2026
8Strong evidenceHouston, TX, United StatesHQ checked Sep 28, 202611-506 contacts →

Strong evidence

“ESG Enterprise is an Environmental, Social, and Governance software, SaaS and data analytics company designed to help businesses, NGOs and governments reduce ESG risks, manage…”

Source: RevenueBase Database · checked Sep 28, 2026
9Indirect evidenceHouston, TX, United StatesHQ checked Sep 28, 202611-504 contacts →

Indirect evidence

“regAction is a privately held EMIS service provider headquartered in Houston, Texas.”

Source: RevenueBase Database · checked Sep 28, 2026
10Strong evidenceHouston, TX, United StatesHQ checked Sep 28, 202611-504 contacts →

Strong evidence

“We deliver data analytical solutions to the oil and gas industry leveraging the most innovative big data analytics & AI technologies.”

Source: RevenueBase Database · checked Sep 28, 2026
11Indirect evidenceHouston, TX, United StatesHQ checked Sep 28, 20261-103 contacts →

Indirect evidence

“Nedd Technologies is democratizing sustainability and emissions intelligence with AI-powered software that makes enterprise-grade monitoring accessible to organizations of all…”

Source: RevenueBase Database · checked Sep 28, 2026
12Partial evidenceHouston, TX, United StatesHQ checked Sep 28, 20261-102 contacts →

Partial evidence

“DMZ Systems provides Environmental Sensor Integration Solutions across many industries, including oil and gas, aids to marine navigation, environmental management agencies, and…”

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceHouston, TX, United StatesHQ checked Sep 28, 20261-102 contacts →

Indirect evidence

“Building Optimization Technologies provides online services to monitor, conserve and optimize energy use in any type of commercial facility.”

Source: RevenueBase Database · checked Sep 28, 2026
14Indirect evidenceHouston, TX, United StatesHQ checked Sep 28, 20261-102 contacts →

Indirect evidence

“With one of the largest networks of highly experienced professionals, Terra Nova Consulting, Inc.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 14 of 31 environmental data analytics companies based in Houston, United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 197 reachable decision-makers.

Free signup · no credit card

View the full list →

Environmental data analytics companies based in Houston, United States at a glance

As of Sep 28, 2026
27.8%Verified-email coverage
22.8Average contacts per company
11-50Median size (employees)
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
13
11-50
11
51-200
4
201-500
2
1,001-5,000
1

Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 31 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among environmental data analytics companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Houston, United States whose own description of what they do matches “environmental data analytics companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names environmental data analytics companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among environmental data analytics companies, and records with no verified work email. Companies headquartered outside Houston are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every listed company carries at least one verified work email, 197 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names environmental data analytics companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many environmental data analytics companies are there based in Houston, United States?

RevenueBase identified 31 environmental data analytics companies headquartered in Houston, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

GSI Environmental INC, headquartered in Houston, tops this list with the largest team on record.

Which city in the United States has the most environmental data analytics companies?

Houston leads the United States with 31 headquartered companies, followed by New York (23) and San Francisco (18).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 197 verified decision-maker contacts tracked across these 31 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 31 environmental data analytics companies based in Houston, United States. Start with a free account, no credit card.

Download this list →

Related lists

About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.