Company lists · Data refreshed October 2026

Top 25 Energy management system integrators based in the United States

RevenueBase identified 1,859 company matches for energy management system integrators associated with the United States as of October 2026 and tracks 39,845 professional contacts across them, including 17,299 with verified work emails. New York is the largest hub.

This list covers company matches for energy management system integrators associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 12, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 12, 2026 How this list was built
1,859Companies
39,845Contacts tracked
17,299Verified emails
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The 25 largest energy management system integrators based in the United States

Ranked by team size
Top 25 of 1,859 company matches for energy management system integrators based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchGarden Grove, CA, United StatesHQ recorded Oct 12, 202610001+3,010 contacts →

Exact match

“As one of the nation's largest building systems experts, Southland Industries provides innovative, practical results for your engineering, construction, service, and energy needs.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2Exact matchMenasha, WI, United StatesHQ recorded Oct 12, 20261,001-5,0002,979 contacts →

Exact match

“Faith Technologies Incorporated (FTI) is a dynamic organization comprised of construction, engineering, manufacturing and renewable energy experts.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3Exact matchPortland, OR, United StatesHQ recorded Oct 12, 2026201-500835 contacts →

Exact match

“PAE provides mechanical and electrical engineering design, technology system design, energy modeling and analysis, and more.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4Exact matchEdison, NJ, United StatesHQ recorded Oct 12, 20261,001-5,000658 contacts →

Exact match

“Albireo Energy is a leading independent building controls and energy services provider recognized by customers for creating intelligent, high-performance buildings.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5Exact matchEast Windsor, NJ, United StatesHQ recorded Oct 12, 2026501-1,000492 contacts →

Exact match

“Thermo Systems is a full-service control systems integration partner, providing world-class automation solutions within the Energy, Life Sciences, and Mission Critical markets.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6Exact matchPark Ridge, NJ, United StatesHQ recorded Oct 12, 2026201-500360 contacts →

Exact match

“National Utility Service, Inc.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7Exact matchGreenwood, IN, United StatesHQ recorded Oct 12, 2026201-500314 contacts →

Exact match

“From our beginning in 1962 as a small electrical maintenance company in downtown Indianapolis with a staff of three, ERMCO, Inc.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8Exact matchRenton, WA, United StatesHQ recorded Oct 12, 2026201-500306 contacts →

Exact match

“ATS, established in 1986, specializes in custom engineered and installed Building Automation Systems control solutions for buildings’ mechanical and electrical systems, allowing…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9Exact matchPortland, OR, United StatesHQ recorded Oct 12, 2026201-500301 contacts →

Exact match

“At Cascade Energy, we believe in better.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10Exact matchPortland, OR, United StatesHQ recorded Oct 12, 2026201-500268 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11Exact matchChesterfield, MO, United StatesHQ recorded Oct 12, 2026201-500254 contacts →

Exact match

“Experitec has served the industry for over 100 years, partnering with its customers to gain competitive advantages and unlock the hidden potential in their facilities.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12Exact matchSan Francisco, CA, United StatesHQ recorded Oct 12, 2026201-500249 contacts →

Exact match

“We make technology work in buildings.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13Exact matchArlington, TX, United StatesHQ recorded Oct 12, 2026201-500248 contacts →

Exact match

“Priority Power is the energy partner delivering the systems, expertise and execution required to power enterprise growth.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14Exact matchNewark, NJ, United StatesHQ recorded Oct 12, 2026201-500248 contacts →

Exact match

“Lime Energy is building a new energy future.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15Exact matchWestbury, NY, United StatesHQ recorded Oct 12, 2026201-500243 contacts →

Exact match

“For over 45 years, Electro Industries/GaugeTech has been a leader in innovation and technological advancements in the areas of energy management and power monitoring.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16Exact matchNewark, DE, United StatesHQ recorded Oct 12, 2026201-500240 contacts →

Exact match

“Since 1991, Applied Control Engineering (ACE) has prioritized close collaboration with our customers to design, implement, and support advanced control, automation, and…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17Exact matchHouston, TX, United StatesHQ recorded Oct 12, 2026201-500231 contacts →

Exact match

“At Mantis Innovation, our experts provide data-driven, consultative services designed to optimize your facility, sustainability, and energy management strategies, while ultimately…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18Exact matchOak Brook, IL, United StatesHQ recorded Oct 12, 2026201-500228 contacts →

Exact match

“Grantek is a system integrator and solution provider with a specialization in Manufacturing IT solutions, Manufacturing Automation solutions, Industrial Safety solutions and…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19Exact matchShrewsbury, PA, United StatesHQ recorded Oct 12, 2026201-500215 contacts →

Exact match

“MDI is a one stop shop for all of your automation needs.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20Exact matchBeverly, MA, United StatesHQ recorded Oct 12, 2026201-500213 contacts →

Exact match

“Dalkia Energy Solutions, a subsidiary of the EDF (Électricité de France) Group, is a national leader in energy efficiency and sustainability for commercial, industrial, and…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21Exact matchMinneapolis, MN, United StatesHQ recorded Oct 12, 2026201-500207 contacts →

Exact match

“EMC manages and scales turnkey energy efficiency solutions for Fortune 500 clients across their North American portfolios.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22Exact matchPhoenix, AZ, United StatesHQ recorded Oct 12, 2026201-500205 contacts →

Exact match

“Vertech is an industrial control systems integration firm providing a complete range of engineering and technical services.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23Exact matchNew Paris, IN, United StatesHQ recorded Oct 12, 202651-200205 contacts →

Exact match

“KMC Controls is an independent American manufacturer of building automation and IoT solutions for system integrators, system distributors, IT providers, and OEM partners.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24Exact matchNashville, TN, United StatesHQ recorded Oct 12, 2026201-500204 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25Exact matchGreenwood Village, CO, United StatesHQ recorded Oct 12, 2026201-500203 contacts →

Exact match

“Haynes Mechanical Systems has been keeping commercial buildings running strong since 1968.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase

Showing 25 of 1,859 energy management system integrators based in the United States

See the full list, filter by size, metro and specialty, and access 17,299 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Energy management system integrators based in the United States at a glance

As of Oct 12, 2026
43.4%Verified-email coverage
21.4Average contacts per company
11-50Median size (employees)
3.9%Largest-city concentration · New York
Oct 12, 2026Page data refreshed

Companies by employee count

1-10
833
11-50
690
51-200
248
201-500
60
501-1,000
14
1,001-5,000
9
5,001-10,000
1
10001+
3

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,859 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United States whose business descriptions match “energy management system integrators” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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
Every displayed company carries at least one verified work email. RevenueBase tracks 17,299 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on October 12, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “energy management system integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy management system integrators are there based in the United States?

RevenueBase identified 1,859 company matches for energy management system integrators associated with the United States as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Southland Industries tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most energy management system integrators?

New York leads with 72 company records, followed by Houston (37) and Dallas (23).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 17,299 professional contacts with verified work emails tracked across these 1,859 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 12, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.