Company lists · Data verified August 2026

Top 25 Climate data analytics companies based in the United States

Name: Climate data analytics 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 291 companies tracked

There are 291 climate data analytics companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 4,059 professional contacts across them, including 1,648 with verified work emails and 1,732 with mobile numbers. New York is the largest hub.

This list covers climate data analytics 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.

291Companies

4,059Contacts tracked

1,648Verified emails

1,732Mobile numbers

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The 25 largest climate data analytics companies based in the United States

Ranked by team size

Top 25 of 291 climate data analytics 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	OTT Hydromet	Sterling, VA	201-500	240	163
2	ESG Book	Boston, MA	201-500	212	141
3	tomorrow.io	Boston, MA	201-500	194	128
4	Carbon Direct	New York City	51-200	171	117
5	Kayrros	Houston, TX	51-200	123	66
6	Baron Weather	Huntsville, AL	51-200	110	63
7	Jupiter Intelligence	Boulder, CO	51-200	82	45
8	Sonoma Technology NOW Spheros Environmental	Petaluma, CA	51-200	74	61
9	Riverside Technology, INC	Fairfax, VA	201-500	74	2
10	Seismos	Austin, TX	11-50	73	42
11	Windborne Systems	Redwood City, CA	51-200	73	35
12	GRO Intelligence	New York	51-200	67	4
13	Earth Networks	Germantown, MD	51-200	64	18
14	Stone Environmental	Montpelier, VT	51-200	63	56
15	Aclima, INC	San Francisco, CA	51-200	57	12
16	I. M. Systems Group Inc. Imsg	Rockville, MD	201-500	54	15
17	Weatherflow-Tempest, INC	Daytona Beach, FL	51-200	53	22
18	Kevala	San Francisco, CA	51-200	50	37
19	Weatherworks	Hackettstown, NJ	51-200	49	35
20	Planalytics	n/a	51-200	47	30
21	Atmospheric G2	Manchester, NH	11-50	38	21
22	Potomac-Hudson Engineering, INC	Haleiwa, HI	51-200	33	14
23	Atomiton	Milpitas, CA	11-50	31	15
24	Boundless Impact Research & Analytics	New York	11-50	28	8
25	Alphageo	San Francisco, CA	11-50	25	10

Showing 25 of 291 climate data analytics companies based in the United States

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Climate data analytics companies based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 19 HQs

1,732Contacts with mobile numbers

6Emails re-verified in last 30 days

Companies by employee count

1-10

179

11-50

51-200

201-500

501-1,000

Climate data analytics companies by metro

Metro	Companies
Climate data analytics companies in New York	19
Climate data analytics companies in San Francisco	18
Climate data analytics companies in San Diego	7
Climate data analytics companies in Boulder	7
Climate data analytics companies in Seattle	7
Climate data analytics companies in Houston	7
Climate data analytics companies in Portland	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 “climate data analytics 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; 6 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 climate data analytics companies are there based in the United States?

There are 291 climate data analytics companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

OTT Hydromet, headquartered in Sterling, tops this list with the largest team on record.

Which city has the most climate data analytics companies?

New York leads with 19 headquartered companies, followed by San Francisco (18) and San Diego (7).

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 1,648 verified decision-maker contacts tracked across these 291 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.