Company lists · Data refreshed September 2026

Top 25 Connected infrastructure companies based in the United States

RevenueBase identified 426 company matches for connected infrastructure companies associated with the United States as of September 2026 and tracks 36,146 professional contacts across them, including 18,079 with verified work emails. Houston is the largest hub.

This list covers company matches for connected infrastructure companies 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 September 19, 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 Sep 19, 2026 How this list was built
426Companies
36,146Contacts tracked
18,079Verified emails
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The 25 largest connected infrastructure companies based in the United States

Ranked by team size
Top 25 of 426 company matches for connected infrastructure companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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 matchRedwood City, CA, United StatesHQ recorded Sep 19, 202610001+13,641 contacts →

Exact match

“Equinix (Nasdaq: EQIX) is the world’s digital infrastructure company®, enabling digital leaders to harness a trusted platform to bring together and interconnect the foundational…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchSan Francisco, CA, United StatesHQ recorded Sep 19, 20261,001-5,0003,067 contacts →

Exact match

“As a global engineering firm, we design infrastructure solutions that connect and elevate communities.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchTysons, VA, United StatesHQ recorded Sep 19, 20265,001-10,0002,761 contacts →

Exact match

“M.C.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchMorrisville, NC, United StatesHQ recorded Sep 19, 20261,001-5,000938 contacts →

Exact match

“Sensus, a Xylem brand, helps a wide range of public service providers – from utilities to cities to industrial complexes and campuses – do more with their infrastructure to…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchFort Lauderdale, FL, United StatesHQ recorded Sep 19, 20261,001-5,000765 contacts →

Exact match

“Founded in 2013, ITG is a national provider of end-to-end digital infrastructure services delivered through a turnkey model.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchEdison, NJ, United StatesHQ recorded Sep 19, 20261,001-5,000669 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 · Sep 19, 2026 · View company records in RevenueBase
7Exact matchAustin, TX, United StatesHQ recorded Sep 19, 2026201-500530 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchCharlotte, NC, United StatesHQ recorded Sep 19, 2026501-1,000470 contacts →

Exact match

“Since 1996, MSS has made thousands of facilities more efficient, comfortable, secure and reliable for owners, operators and occupiers across the Carolinas and throughout North…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchGrapevine, TX, United StatesHQ recorded Sep 19, 20261,001-5,000417 contacts →

Exact match

“Building Great Things.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchNewburgh, IN, United StatesHQ recorded Sep 19, 2026201-500398 contacts →

Exact match

“Energy Systems Group (ESG) is a leading provider of performance-driven energy and infrastructure solutions nationwide.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchLynnwood, WA, United StatesHQ recorded Sep 19, 2026201-500393 contacts →

Exact match

“UMC helps clients solve the complex challenges of built environments and their systems.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchStamford, CT, United StatesHQ recorded Sep 19, 2026201-500340 contacts →

Exact match

“Founded in Softdel (a UNIDEL company), is the intelligent automation partner for Industrial, Buildings, and Energy domains that understands your operational constraints and…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchGreenwood, IN, United StatesHQ recorded Sep 19, 2026201-500304 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 · Sep 19, 2026 · View company records in RevenueBase
14Exact matchCarlstadt, NJ, United StatesHQ recorded Sep 19, 2026201-500260 contacts →

Exact match

“In the past few years, the world has realized the importance of high-speed internet service and “being connected.” Most agree that connectivity is as vital as electricity and…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchChesterfield, MO, United StatesHQ recorded Sep 19, 2026201-500239 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 · Sep 19, 2026 · View company records in RevenueBase
16Exact matchPhoenix, AZ, United StatesHQ recorded Sep 19, 202610001+208 contacts →

Exact match

“We keep the lights on, the gas flowing, and the people behind it all moving forward.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchSacramento, CA, United StatesHQ recorded Sep 19, 2026501-1,000208 contacts →

Exact match

“Rex Moore Group, Inc.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchFort Lauderdale, FL, United StatesHQ recorded Sep 19, 202651-200205 contacts →

Exact match

“Ubicquia revolutionizes critical infrastructure, transforming it into intelligent systems that drive energy efficiency, bolster grid resilience, and streamline operations for…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchMinneapolis, MN, United StatesHQ recorded Sep 19, 2026201-500193 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 · Sep 19, 2026 · View company records in RevenueBase
20Exact matchNew Paris, IN, United StatesHQ recorded Sep 19, 202651-200192 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 · Sep 19, 2026 · View company records in RevenueBase
21Exact matchHouston, TX, United StatesHQ recorded Sep 19, 2026501-1,000188 contacts →

Exact match

“Expanse Electrical Company is a premier provider of integrated electrical infrastructure, instrumentation and automation system solutions.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchReston, VA, United StatesHQ recorded Sep 19, 2026n/a182 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchHarrisburg, PA, United StatesHQ recorded Sep 19, 2026201-500166 contacts →

Exact match

“Headquartered in Harrisburg, Pennsylvania, McClure Company is one of the mid-Atlantic's largest, fully integrated mechanical construction, engineering, maintenance and energy…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchFremont, CA, United StatesHQ recorded Sep 19, 202651-200164 contacts →

Exact match

“Syserco is an industry leader delivering Energy Management Solutions and Services to commercial and industrial facilities ranging from K-12 Schools, to High Rises, to…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchSpringfield, MO, United StatesHQ recorded Sep 19, 2026501-1,000153 contacts →

Exact match

“SMC has been providing the industry's top products and services in Smart Automation, Robotics, Network and Physical Security, Electrical and Lighting Modernization, and…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 426 connected infrastructure companies based in the United States

See the full list, filter by size, metro and specialty, and access 18,079 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Connected infrastructure companies based in the United States at a glance

As of Sep 19, 2026
50.0%Verified-email coverage
84.8Average contacts per company
11-50Median size (employees)
3.1%Largest-city concentration · Houston
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
113
11-50
168
51-200
88
201-500
28
501-1,000
10
1,001-5,000
11
5,001-10,000
1
10001+
6

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 426 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 “connected infrastructure companies” 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 18,079 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 September 19, 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 “connected infrastructure companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many connected infrastructure companies are there based in the United States?

RevenueBase identified 426 company matches for connected infrastructure companies associated with the United States as of September 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?

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

Which city has the most connected infrastructure companies?

Houston leads with 13 company records, followed by New York (13) and Chicago (8).

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 18,079 professional contacts with verified work emails tracked across these 426 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 September 19, 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.