Company lists · Data verified August 2026

Top 25 Energy storage consulting firms based in the United States

Name: Energy storage consulting firms 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 1,231 companies tracked

There are 1,231 energy storage consulting firms headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 26,166 professional contacts across them, including 12,703 with verified work emails and 10,845 with mobile numbers. Houston is the largest hub.

This list covers energy storage consulting firms 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.

1,231Companies

26,166Contacts tracked

12,703Verified emails

10,845Mobile numbers

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The 25 largest energy storage consulting firms based in the United States

Ranked by team size

Top 25 of 1,231 energy storage consulting firms 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	Fluence	Mountain View, CA	1,001-5,000	1,842	1,131
2	Enercon Services, INC	Palm Beach Gardens, FL	1,001-5,000	1,840	1,171
3	Willdan	Anaheim, CA	1,001-5,000	838	636
4	Form Energy	Eighty Four, PA	501-1,000	809	561
5	Depcom Power, INC	Bedminster, NJ	1,001-5,000	623	273
6	Electric Power Engineers	Champaign, IL	501-1,000	619	337
7	TRIO	Mclean, VA	201-500	382	245
8	Blue Ridge Power	Asheville, NC	501-1,000	365	200
9	NEI Electric Power Engineering, INC	Lakewood, CO	201-500	322	201
10	Commonwealth Associates, INC	Atlanta, GA	201-500	301	169
11	Cascade Energy	Burlington, VT	201-500	290	194
12	Quanta Technology, LLC	Raleigh, NC	201-500	281	196
13	Lake Superior Consulting	Duluth, MN	201-500	279	159
14	Asplundh Engineering Services	Newark, DE	1,001-5,000	277	71
15	Flexgen	Delray Beach, FL	201-500	267	207
16	PSC Consulting	Westborough, MA	201-500	264	135
17	Merjent	Minneapolis, MN	201-500	263	183
18	Mosaic	Renton, WA	201-500	250	108
19	POWIN	Portland, OR	501-1,000	242	2
20	Antora Energy	Sunnyvale, CA	201-500	235	13
21	Geostock	Houston, TX	201-500	233	1
22	PEG	Fairfax, VA	201-500	211	68
23	Motive Energy	San Antonio, TX	201-500	204	54
24	Gridworks	Albuquerque, NM	201-500	195	129
25	Green World Renewable Energy LLC	Baltimore, MD	201-500	180	5

Showing 25 of 1,231 energy storage consulting firms based in the United States

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Energy storage consulting firms based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

HoustonLargest hub · 70 HQs

10,845Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

656

11-50

377

51-200

133

201-500

501-1,000

1,001-5,000

10001+

Energy storage consulting firms by metro

Metro	Companies
Energy storage consulting firms in Houston	70
Energy storage consulting firms in New York	38
Energy storage consulting firms in Austin	25
Energy storage consulting firms in Denver	20
Energy storage consulting firms in Dallas	20
Energy storage consulting firms in San Diego	19
Energy storage consulting firms in San Francisco	18
Energy storage consulting firms in Portland	18

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 “energy storage consulting firms”, 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 energy storage consulting firms are there based in the United States?

There are 1,231 energy storage consulting firms headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Fluence, headquartered in Mountain View, tops this list with the largest team on record.

Which city has the most energy storage consulting firms?

Houston leads with 70 headquartered companies, followed by New York (38) and Austin (25).

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 12,703 verified decision-maker contacts tracked across these 1,231 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.