Company lists · Data refreshed November 2026

Top 25 Underground infrastructure contractors worldwide

RevenueBase identified 8,474 company matches for underground infrastructure contractors worldwide as of November 2026 and tracks 197,157 professional contacts across them, including 58,025 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for underground infrastructure contractors worldwide, 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. Country and city lists for underground infrastructure contractors follow the table.

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
8,474Companies
197,157Contacts tracked
58,025Verified emails
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The 25 largest underground infrastructure contractors worldwide

Ranked by team size
Top 25 of 8,474 company matches for underground infrastructure contractors worldwide, 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 matchIndianapolis, IN, United StatesHQ recorded Nov 6, 202610001+3,932 contacts →

Exact match

“Performing tens of millions of locates annually, USIC is the most trusted name in underground utility damage prevention.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,0003,366 contacts →

Exact match

“Murphy is a leading international, multi-disciplined engineering and construction company founded in 1951 that improves life by delivering world-class infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchPerth Airport, United StatesHQ recorded Nov 6, 20265,001-10,0002,137 contacts →

Exact match

“Byrnecut is an internationally renowned specialist underground mining contractor, offering a unique range of services and in-depth experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202610001+2,000 contacts →

Exact match

“Quanta Services (NYSE: PWR) is the leading specialty contractor with the largest and highly trained skilled workforce in North America, providing fully integrated solutions for…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBlue Bell, PA, United StatesHQ recorded Nov 6, 20265,001-10,0001,935 contacts →

Exact match

“Henkels & McCoy, Inc.(H&M) is a leading utility construction firm providing critical infrastructure for the power, oil & gas pipeline, telecommunications, and gas distribution…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchRiyadh, Saudi ArabiaHQ recorded Nov 6, 20265,001-10,0001,900 contacts →

Exact match

“ABV Rock Group is a construction contractor that operates in several interlinked sectors covering buildings and civil works, and acts as a principal and specialist contractor.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact 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
8Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026n/a1,844 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact 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
10Exact matchCanadaHQ recorded Nov 6, 20261,001-5,0001,536 contacts →

Exact match

“Badger is the largest provider of non-destructive excavating and related services in North America.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchPhoenix, AZ, United StatesHQ recorded Nov 6, 20265,001-10,0001,421 contacts →

Exact match

“NPL is a nationally recognized leader in energy infrastructure construction, with 50 years of experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBelmont, United StatesHQ recorded Nov 6, 20261,001-5,0001,404 contacts →

Exact match

“GenusPlus Group (ASX:GNP) is a national force in power and communications infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchAlpharetta, GA, United StatesHQ recorded Nov 6, 20261,001-5,0001,197 contacts →

Exact match

“UtiliQuest, LLC is a leading provider of quality underground utility damage prevention for over three decades.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchEnglewood, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,194 contacts →

Exact match

“Mears is an industry-leading energy infrastructure solutions provider offering engineering, construction and maintenance services to the oil and natural gas, electric transmission…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchEdmonton, AB, CanadaHQ recorded Nov 6, 20261,001-5,0001,193 contacts →

Exact match

“Headquartered in Edmonton, Alberta - Valard is Canada’s premier utility contractor, with full-service capabilities for transmission, distribution, substations, foundations…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLibertyville, IL, United StatesHQ recorded Nov 6, 20261,001-5,0001,092 contacts →

Exact match

“With a legacy of providing transformative construction solutions, Aldridge is committed to being your contractor of choice to power America’s critical infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchIndianapolis, OH, United StatesHQ recorded Nov 6, 20261,001-5,0001,051 contacts →

Exact match

“Miller Pipeline is the single-source, premier provider for all underground construction system solutions in transmission, distribution, and water/wastewater management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSturgis, KY, United StatesHQ recorded Nov 6, 20261,001-5,0001,011 contacts →

Exact match

“Ervin Cable Construction, LLC (ECC) is a seasoned leader in telecommunications construction, founded in 1980.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchFort Lauderdale, TN, United StatesHQ recorded Nov 6, 20261,001-5,000997 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 · Nov 6, 2026 · View company records in RevenueBase
20Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 2026501-1,000952 contacts →

Exact match

“KAD is a multi-disciplinary construction company which has expanded its operation in strategic infrastructure projects to become one of the most reliable contracting companies in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchNijkerk, NetherlandsHQ recorded Nov 6, 20261,001-5,000922 contacts →

Exact match

“De infrapartner voor Nederland.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMadrid, SpainHQ recorded Nov 6, 20261,001-5,000863 contacts →

Exact match

“Created in 1919, SEMI is a leading company in the electricity and industrial sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Nov 6, 20261,001-5,000818 contacts →

Exact match

“Noor Al Sahara General Contracting (NAS)- Sole Proprietorship is a reputed civil, road & infrastructure contractor in the Middle East, established since April 4th, 2007.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBroussard, TX, United StatesHQ recorded Nov 6, 2026n/a794 contacts →

Exact match

“WHC - A Surerus Murphy Company, is a privately held general contractor who provides construction services for renewable services, pipeline and related facilities to the oil and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchMaumee, OH, United StatesHQ recorded Nov 6, 2026501-1,000755 contacts →

Exact match

“Creating possibility for our team members and clients by Intelligently Visualizing the Built World is who we are.”

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

Showing 25 of 8,474 underground infrastructure contractors worldwide

See the full list, filter by size, metro and specialty, and access 58,025 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Underground infrastructure contractors worldwide at a glance

As of Nov 6, 2026
29.4%Verified-email coverage
23.3Average contacts per company
11-50Median size (employees)
0.9%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
2,273
11-50
3,193
51-200
1,951
201-500
552
501-1,000
205
1,001-5,000
138
5,001-10,000
14
10001+
20

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for underground infrastructure contractors are linked below.
What qualifies
Company records worldwide whose business descriptions match “underground infrastructure 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. 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 58,025 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.

Underground infrastructure contractors by location

27 lists · largest first

Every Underground infrastructure contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “underground infrastructure contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many underground infrastructure contractors are there worldwide?

RevenueBase identified 8,474 company matches for underground infrastructure contractors worldwide 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?

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

Which country has the most underground infrastructure contractors?

The United States leads with 3,832 companies, followed by Canada (526) and Australia (460). Every underground infrastructure contractors list by country and city is linked on this page.

Which city has the most underground infrastructure contractors?

Houston leads with 73 company records, followed by Phoenix (42) and London (35).

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 58,025 professional contacts with verified work emails tracked across these 8,474 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.