Company lists · Data verified August 2026

Top 25 Emissions tracking software companies based in the United States

Name: Emissions tracking software companies 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 265 companies tracked

There are 265 emissions tracking software companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 7,486 professional contacts across them, including 3,584 with verified work emails and 2,425 with mobile numbers. San Francisco is the largest hub.

This list covers emissions tracking 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. Data current as of August 28, 2026.

265Companies

7,486Contacts tracked

3,584Verified emails

2,425Mobile numbers

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

Ranked by team size

Top 25 of 265 emissions tracking software companies 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	Watershed	San Francisco, CA	201-500	537	96
3	Enablon	Chicago, IL	501-1,000	438	275
4	SEDEX	Chicago, IL	201-500	420	178
5	Cimarron	Marlow, OK	501-1,000	316	165
6	Picarro	Santa Clara, CA	201-500	298	202
7	Opus Inspection Technologies	Brookfield, WI	201-500	264	42
8	OTT Hydromet	Sterling, VA	201-500	240	163
9	Plateau GRP	Huntsville, AL	51-200	191	3
10	Earthsoft	Pensacola, FL	51-200	167	104
11	Li-Cor	Lincoln, NE	201-500	139	94
12	Touchstone IQ	Denver, CO	51-200	136	39
13	Pulsora	San Mateo, CA	51-200	101	29
14	Locus Technologies	Mountain View, CA	51-200	94	42
15	Encamp	Indianapolis, IN	51-200	81	43
16	Insight M, A Zeitview Company	Sunnyvale, CA	51-200	79	40
17	Credibl	Fremont, CA	51-200	76	43
18	Green Instruments	Fort Lauderdale, FL	51-200	76	3
19	Riverside Technology, INC	Fairfax, VA	201-500	74	2
20	QED Environmental Systems Americas	Dexter, MI	51-200	71	28
21	Nevadanano	Sparks, NV	51-200	62	40
22	Gravity	New York, NY	51-200	58	35
23	Aclima, INC	San Francisco, CA	51-200	57	12
24	Pachama	San Francisco, CA	51-200	54	32
25	Sinai Carbon Management	San Francisco, CA	51-200	54	23

Showing 25 of 265 emissions tracking software companies based in the United States

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Emissions tracking software companies based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

San FranciscoLargest hub · 17 HQs

2,425Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

118

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

Emissions tracking software companies by metro

Metro	Companies
Emissions tracking software companies in San Francisco	17
Emissions tracking software companies in Houston	14
Emissions tracking software companies in New York	12
Emissions tracking software companies in Chicago	6
Emissions tracking software companies in Denver	6
Emissions tracking software companies in Boulder	6
Emissions tracking software companies in Seattle	4
Emissions tracking software companies in Portland	4

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 “emissions tracking software companies”, 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; 3 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 emissions tracking software companies are there based in the United States?

There are 265 emissions tracking software companies 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 emissions tracking software companies?

San Francisco leads with 17 headquartered companies, followed by Houston (14) and New York (12).

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 3,584 verified decision-maker contacts tracked across these 265 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.