Company lists · Data refreshed September 2026

Top 25 Company emissions software companies based in the United States

Name: Company emissions software companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 348 companies tracked

RevenueBase identified 348 company emissions software companies headquartered in the United States as of September 2026 and tracks 10,803 professional contacts across them, including 4,242 with verified work emails. San Francisco is the largest hub.

This list covers company emissions software companies headquartered in the 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 21, 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 21, 2026 86% judged on-target in blind review

348Companies

10,803Contacts tracked

4,242Verified emails

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The 25 largest company emissions software companies based in the United States

Ranked by team size

Top 25 of 348 company emissions software companies based in the United States, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to company emissions software 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Sphera	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 21, 2026	1,001-5,000	1,349 contacts →
	Indirect evidence “Sphera creates a safer, more sustainable and productive world.” Source: RevenueBase Database · checked Sep 21, 2026
2	Adec Innovations	Partial evidence	Irvine, CA, United StatesHQ checked Sep 21, 2026	1,001-5,000	1,304 contacts →
	Partial evidence “ADEC Innovations seamlessly delivers fully integrated, cost-effective industry expertise, business process & data management, and software services.” Source: RevenueBase Database · checked Sep 21, 2026
3	ESS	Partial evidence	Tempe, AZ, United StatesHQ checked Sep 21, 2026	n/a	1,201 contacts →
	Partial evidence “ESS is the leading provider of Environmental, Health & Safety (EHS) and Crisis Management sustainability software.” Source: RevenueBase Database · checked Sep 21, 2026
4	Watershed	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	201-500	529 contacts →
	Indirect evidence “Watershed is the enterprise sustainability platform.” Source: RevenueBase Database · checked Sep 21, 2026
5	Cimarron	Partial evidence	Houston, TX, United StatesHQ checked Sep 21, 2026	501-1,000	306 contacts →
	Partial evidence “With decades of operating history and innovation across our trusted brands, Cimarron provides technology-driven emissions management solutions for the global energy system.” Source: RevenueBase Database · checked Sep 21, 2026
6	Greenly	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	201-500	305 contacts →
	Indirect evidence “Greenly is on a mission to democratize access to science-backed climate intelligence, transforming sustainability from a compliance burden into a strategic competitive advantage.” Source: RevenueBase Database · checked Sep 21, 2026
7	Picarro	Partial evidence	Santa Clara, CA, United StatesHQ checked Sep 21, 2026	201-500	297 contacts →
	Partial evidence “Reducing emissions, detecting leaks, mitigating risk, optimizing operations, ensuring compliance and advancing research are some of the challenges facing our clients.” Source: RevenueBase Database · checked Sep 21, 2026
8	Cascade Energy	Indirect evidence	Portland, OR, United StatesHQ checked Sep 21, 2026	201-500	288 contacts →
	Indirect evidence “At Cascade Energy, we believe in better.” Source: RevenueBase Database · checked Sep 21, 2026
9	Metiri Group	Indirect evidence	Clovis, CA, United StatesHQ checked Sep 21, 2026	n/a	233 contacts →
	Indirect evidence “Appl Inc is an environmental services company based out of 908 N Temperance Ave, Clovis, CA, United States.” Source: RevenueBase Database · checked Sep 21, 2026
10	Opus Inspection Technologies	Indirect evidence	Brookfield, WI, United StatesHQ checked Sep 21, 2026	201-500	231 contacts →
	Indirect evidence “Opus Inspection Technologies is a leader in developing, implementing and managing innovative technology and system solutions that enable customers worldwide to address their…” Source: RevenueBase Database · checked Sep 21, 2026
11	Anew Climate	Indirect evidence	Houston, TX, United StatesHQ checked Sep 21, 2026	201-500	200 contacts →
	Indirect evidence “Anew Climate is a global leader of diverse climate solutions, bringing innovative products and services to the public and private sectors to help reduce or offset their carbon…” Source: RevenueBase Database · checked Sep 21, 2026
12	Plateau GRP	Indirect evidence	Fairfax, VA, United StatesHQ checked Sep 21, 2026	51-200	192 contacts →
	Indirect evidence “Plateau Grp provides innovative and agile IT solutions to customer challenges.” Source: RevenueBase Database · checked Sep 21, 2026
13	Carbon Direct	Indirect evidence	New York, United StatesHQ checked Sep 21, 2026	51-200	172 contacts →
	Indirect evidence “Carbon Direct is a trusted energy and climate solutions company that combines world-class scientific expertise, technical rigor, and market insights to help clients achieve their…” Source: RevenueBase Database · checked Sep 21, 2026
14	Isometrix Software	Partial evidence	Alpharetta, GA, United StatesHQ checked Sep 21, 2026	201-500	164 contacts →
	Partial evidence “IsoMetrix is a global leader in integrated risk management software, helping organizations connect ESG, EHS, and GRC into a single, intelligent system.” Source: RevenueBase Database · checked Sep 21, 2026
15	Worldly	Indirect evidence	Concord, CA, United StatesHQ checked Sep 21, 2026	51-200	144 contacts →
	Indirect evidence “Worldly is the leading sustainability and supply chain intelligence platform for the consumer goods industry.” Source: RevenueBase Database · checked Sep 21, 2026
16	Touchstone IQ	Partial evidence	Denver, CO, United StatesHQ checked Sep 21, 2026	51-200	139 contacts →
	Partial evidence “Touchstone IQ is a leading-edge building energy management software & services company.” Source: RevenueBase Database · checked Sep 21, 2026
17	Persefoni	Indirect evidence	Mesa, AZ, United StatesHQ checked Sep 21, 2026	201-500	137 contacts →
	Indirect evidence “Persefoni AI Inc.” Source: RevenueBase Database · checked Sep 21, 2026
18	Li-Cor	Indirect evidence	Lincoln, NE, United StatesHQ checked Sep 21, 2026	201-500	136 contacts →
	Indirect evidence “LI-COR is a leader in environmental measurement and monitoring solutions.” Source: RevenueBase Database · checked Sep 21, 2026
19	Measurabl	Indirect evidence	San Diego, CA, United StatesHQ checked Sep 21, 2026	201-500	136 contacts →
	Indirect evidence “Measurabl is the world's most widely adopted sustainability data platform for real estate.” Source: RevenueBase Database · checked Sep 21, 2026
20	RE Tech Advisors	Indirect evidence	Mclean, VA, United StatesHQ checked Sep 21, 2026	51-200	124 contacts →
	Indirect evidence “RE Tech Advisors, a Legence Company, offers an integrated suite of solutions designed to drive building performance, decrease costs, and overcome any project challenge.” Source: RevenueBase Database · checked Sep 21, 2026
21	Pulsora	Indirect evidence	San Mateo, CA, United StatesHQ checked Sep 21, 2026	51-200	98 contacts →
	Indirect evidence “Pulsora is a sustainability management platform that helps businesses simplify and consolidate complex ESG operations, processes, and data in one centralized hub.” Source: RevenueBase Database · checked Sep 21, 2026
22	Locus Technologies	Partial evidence	Mountain View, CA, United StatesHQ checked Sep 21, 2026	51-200	95 contacts →
	Partial evidence “Locus Technologies is the only scientist-driven software company at the nexus of analytical and field data management, Environmental, Health, and Safety (EHS) compliance, and…” Source: RevenueBase Database · checked Sep 21, 2026
23	Encamp	Indirect evidence	Indianapolis, IN, United StatesHQ checked Sep 21, 2026	51-200	81 contacts →
	Indirect evidence “Encamp is an enterprise technology company on a mission to create a world in which what’s good for business can be good for the environment.” Source: RevenueBase Database · checked Sep 21, 2026
24	Credibl	Indirect evidence	Fremont, CA, United StatesHQ checked Sep 21, 2026	51-200	77 contacts →
	Indirect evidence “Credibl: AI-Powered Sustainability Intelligence Platform!” Source: RevenueBase Database · checked Sep 21, 2026
25	Green Project Technologies	Partial evidence	New York, NY, United StatesHQ checked Sep 21, 2026	51-200	63 contacts →
	Partial evidence “Green Project Technologies, an ACT Group company, is the global AI-powered platform helping enterprises and their suppliers measure, manage, and reduce emissions across operations…” Source: RevenueBase Database · checked Sep 21, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: company emissions software companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names company emissions software companies.
Partial evidence: Its own public description names part of company emissions software companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name company emissions software companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 348 company emissions software companies based in the United States

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Company emissions software companies based in the United States at a glance

As of Sep 21, 2026

39.3%Verified-email coverage

31.0Average contacts per company

11-50Median size (employees)

7.8%Largest-city concentration · San Francisco

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

168

11-50

119

51-200

201-500

501-1,000

1,001-5,000

10001+

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 348 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 company emissions software 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 the United States whose own description of what they do matches “company emissions software 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 company emissions software 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 company emissions software companies, and records with no verified work email. Companies headquartered outside United States 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, 4,242 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 21, 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.

Company emissions software companies by metro

Company emissions software companies in San Francisco27

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 company emissions software 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 company emissions software companies are there based in the United States?

RevenueBase identified 348 company emissions software companies headquartered in the 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?

Sphera, headquartered in Chicago, tops this list with the largest team on record.

Which city has the most company emissions software companies?

San Francisco leads with 27 headquartered companies, followed by New York (24) and Houston (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 4,242 verified decision-maker contacts tracked across these 348 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 21, 2026.

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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.