Company lists · Data verified August 2026

Top 25 Energy management consultants based in the United States

Name: Energy management consultants 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 2,420 companies tracked

There are 2,420 energy management consultants headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 33,871 professional contacts across them, including 14,741 with verified work emails and 15,010 with mobile numbers. New York is the largest hub.

This list covers energy management consultants 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.

2,420Companies

33,871Contacts tracked

14,741Verified emails

15,010Mobile numbers

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The 25 largest energy management consultants based in the United States

Ranked by team size

Top 25 of 2,420 energy management consultants 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	Ameresco	Framingham, MA	1,001-5,000	1,475	1,125
2	Willdan	Anaheim, CA	1,001-5,000	838	636
3	Resource Innovations	Chandler, AZ	501-1,000	724	558
4	ACES	Raleigh, NC	201-500	478	213
5	Sitelogiq	Minneapolis, MN	501-1,000	451	283
6	TRIO	Mclean, VA	201-500	382	245
7	P2s	Irvine, CA	201-500	370	208
8	Wendel Companies	Middletown, CT	201-500	354	238
9	Cascade Energy	Burlington, VT	201-500	290	194
10	Lake Superior Consulting	Duluth, MN	201-500	279	159
11	Illumine-I	Austin, TX	201-500	276	41
12	CMC Energy Services	Yalesville, CT	201-500	254	155
13	Ecosystem	New York City, NY	201-500	243	158
14	AMA Group	New York, NY	201-500	232	78
15	Mantis Innovation	Waco, TX	201-500	231	183
16	Dalkia Energy Solutions	Beverly, MA	201-500	212	67
17	PEG	Fairfax, VA	201-500	211	68
18	Motive Energy	San Antonio, TX	201-500	204	54
19	Energy Management Collaborative EMC	Minneapolis, MN	201-500	197	132
20	Hargis Engineers	Seattle, WA	201-500	188	127
21	Cenergistic	Dallas, TX	201-500	187	140
22	Green World Renewable Energy LLC	Baltimore, MD	201-500	180	5
23	Utilicast	Seattle, WA	201-500	179	138
24	Energy Network	Elkhorn, NE	201-500	157	25
25	RISE	Cranston, RI	201-500	151	57

Showing 25 of 2,420 energy management consultants based in the United States

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Energy management consultants based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 99 HQs

15,010Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

1,344

11-50

781

51-200

218

201-500

501-1,000

1,001-5,000

10001+

Energy management consultants by metro

Metro	Companies
Energy management consultants in New York	99
Energy management consultants in Houston	97
Energy management consultants in Chicago	44
Energy management consultants in Dallas	39
Energy management consultants in Denver	35
Energy management consultants in Austin	32
Energy management consultants in Atlanta	32

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 management consultants”, 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 management consultants are there based in the United States?

There are 2,420 energy management consultants headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Ameresco, headquartered in Framingham, tops this list with the largest team on record.

Which city has the most energy management consultants?

New York leads with 99 headquartered companies, followed by Houston (97) and Chicago (44).

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 14,741 verified decision-maker contacts tracked across these 2,420 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.