Company lists · Data verified August 2026

Top 25 Environmental sustainability software developers based in the United States

Name: Environmental sustainability software developers based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 408 companies tracked

There are 408 environmental sustainability software developers headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 9,084 professional contacts across them, including 4,424 with verified work emails and 2,516 with mobile numbers. New York is the largest hub.

This list covers environmental sustainability software developers headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

408Companies

9,084Contacts tracked

4,424Verified emails

2,516Mobile numbers

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The 25 largest environmental sustainability software developers based in the United States

Ranked by team size

Top 25 of 408 environmental sustainability software developers based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Sphera	Chicago, IL	1,001-5,000	1,345	925
2	Velocityehs	Tampa, FL	501-1,000	571	410
3	Watershed	San Francisco, CA	201-500	537	96
4	Enhesa	Arlington, VA	201-500	463	370
5	Enablon	Chicago, IL	501-1,000	438	275
6	SEDEX	Chicago, IL	201-500	420	178
7	IES LTD	Santa Clara, CA	201-500	378	199
8	ESG Book	Boston, MA	201-500	212	141
9	Plateau GRP	Huntsville, AL	51-200	191	3
10	Source Intelligence	San Francisco, CA	201-500	175	14
11	Earthsoft	Pensacola, FL	51-200	167	104
12	Red-On-Line	New York	201-500	153	94
13	Worldly	Concord, CA	51-200	144	74
14	RE Tech Advisors	Dallas, TX	51-200	123	104
15	Pulsora	San Mateo, CA	51-200	101	29
16	Locus Technologies	Mountain View, CA	51-200	94	42
17	cemasys.com	Boston, MA	51-200	86	52
18	Encamp	Indianapolis, IN	51-200	81	43
19	Credibl	Fremont, CA	51-200	76	43
20	Brightworks Sustainability	Portland, OR	51-200	60	49
21	Greenplaces	Raleigh, NC	51-200	58	36
22	Gravity	New York, NY	51-200	58	35
23	Opesus	Chicago, IL	51-200	47	30
24	Enertiv	New York, NY	51-200	41	25
25	Greensoft Technology, INC	Pasadena, CA	51-200	40	16

Showing 25 of 408 environmental sustainability software developers based in the United States

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Environmental sustainability software developers based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 35 HQs

2,516Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

226

11-50

128

51-200

201-500

501-1,000

1,001-5,000

10001+

Environmental sustainability software developers by metro

Metro	Companies
Environmental sustainability software developers in New York	35
Environmental sustainability software developers in San Francisco	22
Environmental sustainability software developers in Houston	14
Environmental sustainability software developers in Chicago	13
Environmental sustainability software developers in Los Angeles	12
Environmental sustainability software developers in Washington	8
Environmental sustainability software developers in New York City	7
Environmental sustainability software developers in Austin	6

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “environmental sustainability software developers”, with match quality audited by blind human judging, and headquartered in the United States.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many environmental sustainability software developers are there based in the United States?

There are 408 environmental sustainability software developers headquartered in the United States as of August 2026 (RevenueBase).

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 environmental sustainability software developers?

New York leads with 35 headquartered companies, followed by San Francisco (22) and Houston (14).

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 4,424 verified decision-maker contacts tracked across these 408 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.