Company lists · Data refreshed November 2026

Top 25 Data center contractors based in the United States

RevenueBase identified 1,649 company matches for data center contractors associated with the United States as of November 2026 and tracks 75,499 professional contacts across them, including 30,958 with verified work emails. Houston is the largest hub.

This list covers company matches for data center contractors 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 November 6, 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 Nov 6, 2026 How this list was built
1,649Companies
75,499Contacts tracked
30,958Verified emails
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The 25 largest data center contractors based in the United States

Ranked by team size
Top 25 of 1,649 company matches for data center contractors based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchSterling, VA, United StatesHQ recorded Nov 6, 20261,001-5,0002,448 contacts →

Exact match

“Digital infrastructure leader driven by purpose, innovation and community impact.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchDenver, CO, United StatesHQ recorded Nov 6, 20261,001-5,0002,223 contacts →

Exact match

“Vantage Data Centers is a global provider of digital infrastructure serving AI and cloud innovators.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchKennesaw, PA, United StatesHQ recorded Nov 6, 20261,001-5,0002,022 contacts →

Exact match

“ENERCON is a multi-discipline engineering and environmental engineering support services firm focused on delivering safe and efficient solutions for the power, data center and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSan Jose, CA, United StatesHQ recorded Nov 6, 20261,001-5,0001,881 contacts →

Exact match

“Since 1954, Cupertino Electric, Inc.(CEI) has been powered by people who’ve built a reputation for delivering high-profile, complex projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBoulder, CO, United StatesHQ recorded Nov 6, 20261,001-5,0001,715 contacts →

Exact match

“Congruex was formed in 2017 to take advantage of historic demand for digital connectivity.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSan Diego, CA, United StatesHQ recorded Nov 6, 20261,001-5,0001,666 contacts →

Exact match

“Helix Electric is an award-winning electrical contractor specializing in design-build and highly complex electrical projects throughout the United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchNorwalk, CT, United StatesHQ recorded Nov 6, 202610001+1,493 contacts →

Exact match

“A Fortune 500® company and a member of the S&P 500, EMCOR Group, Inc.(NYSE: EME) is a leader in mechanical and electrical construction, industrial and energy infrastructure, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLas Vegas, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,261 contacts →

Exact match

“Switch was founded in by CEO Rob Roy and stands at the forefront as the premier data center designer, builder and operator, owning 100% of its land and facilities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchCarlsbad, CA, United StatesHQ recorded Nov 6, 20261,001-5,0001,236 contacts →

Exact match

“Since their inception in 1946, Bergelectric has made its mark on the construction industry by providing the highest quality electrical and technology contracting.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchIrving, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,161 contacts →

Exact match

“Walker Engineering has a solid reputation in the industry that is based on over 45 years of delivering top notch electrical work for a fair and competitive price.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchFranklin, WI, United StatesHQ recorded Nov 6, 20261,001-5,0001,093 contacts →

Exact match

“We provide high-end technical and professional services for the entire lifecycle of data centers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchDallas, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,052 contacts →

Exact match

“CyrusOne is a leading global data center developer and operator, delivering sophisticated digital infrastructure solutions worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchPhoenix, AZ, United StatesHQ recorded Nov 6, 2026201-500883 contacts →

Exact match

“IO is now Iron Mountain.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchRaleigh, NC, United StatesHQ recorded Nov 6, 2026501-1,000857 contacts →

Exact match

“Consult Engineer Commission At Syska Hennessy Group, we create exceptional environments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchCentennial, CO, United StatesHQ recorded Nov 6, 2026501-1,000842 contacts →

Exact match

“Flexential empowers the IT journey of the nation’s most complex businesses by offering tailored hybrid IT solutions delivered via the FlexAnywhere® platform of integrated…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchTampa, FL, United StatesHQ recorded Nov 6, 20261,001-5,000782 contacts →

Exact match

“Limbach is a leading building solutions firm delivering mission critical infrastructure that supports life’s most important moments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchPortland, OR, United StatesHQ recorded Nov 6, 2026501-1,000766 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchGarland, TX, United StatesHQ recorded Nov 6, 20261,001-5,000752 contacts →

Exact match

“Our story began in 1994 with a simple vision: Build a company that does things right.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBellevue, CA, United StatesHQ recorded Nov 6, 20261,001-5,000724 contacts →

Exact match

“For over a quarter century, Prime has been successfully engineering, constructing building, and facilities solutions for our clientele.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAnnapolis, MD, United StatesHQ recorded Nov 6, 2026501-1,000707 contacts →

Exact match

“Smartlink powers the digital infrastructure behind today’s connected world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchFort Worth, TX, United StatesHQ recorded Nov 6, 20261,001-5,000693 contacts →

Exact match

“Cummings Electrical,(Cummings) is one of the largest providers of electrical contracting services in DFW market.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchLogan, UT, United StatesHQ recorded Nov 6, 20261,001-5,000691 contacts →

Exact match

“As one of the nation’s premier electrical contractors, we don’t just provide high-quality services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchPacific, MO, United StatesHQ recorded Nov 6, 20261,001-5,000665 contacts →

Exact match

“ADB is an industry-leading infrastructure solutions provider, proudly building networks, connections, and partnerships nationwide within the telecommunications and utility…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLive Oak, TX, United StatesHQ recorded Nov 6, 2026501-1,000632 contacts →

Exact match

“Since 1923, Alterman has provided electrical construction on many of San Antonio and Austin's most impressive landmarks and contemporary structures.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLexington, WI, United StatesHQ recorded Nov 6, 2026501-1,000579 contacts →

Exact match

“Airedale by Modine is the critical cooling specialist, with the technology and expertise to meet the specific operational demands of data centers worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,649 data center contractors based in the United States

See the full list, filter by size, metro and specialty, and access 30,958 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Data center contractors based in the United States at a glance

As of Nov 6, 2026
41.0%Verified-email coverage
45.8Average contacts per company
11-50Median size (employees)
2.4%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
526
11-50
607
51-200
319
201-500
95
501-1,000
54
1,001-5,000
37
5,001-10,000
1
10001+
7

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 1,649 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 “data center contractors” 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 30,958 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 November 6, 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 “data center contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many data center contractors are there based in the United States?

RevenueBase identified 1,649 company matches for data center contractors associated with the United States as of November 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?

QTS Data Centers tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most data center contractors?

Houston leads with 40 company records, followed by New York (38) and Dallas (33).

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 30,958 professional contacts with verified work emails tracked across these 1,649 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 November 6, 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.