Company lists · Data refreshed November 2026

Top 25 Utility locate and marking services worldwide

RevenueBase identified 539 company matches for utility locate and marking services worldwide as of November 2026 and tracks 11,129 professional contacts across them, including 3,377 with verified work emails. The United States is the largest market and Hamilton the largest hub.

This list covers company matches for utility locate and marking services 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 utility locate and marking services 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
539Companies
11,129Contacts tracked
3,377Verified emails
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The 25 largest utility locate and marking services worldwide

Ranked by team size
Top 25 of 539 company matches for utility locate and marking services 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 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
3Exact matchGreensboro, NC, United StatesHQ recorded Nov 6, 20261,001-5,000430 contacts →

Exact match

“We’re a locating powerhouse with extensive resources and decades of experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMilwaukee, TX, United StatesHQ recorded Nov 6, 2026201-500358 contacts →

Exact match

“Marking Services Incorporated (MSI) is a labeling contractor specializing in engineering, manufacturing and installation services of pipe markers, valve tags, equipment…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchRichardson, TX, United StatesHQ recorded Nov 6, 202651-200341 contacts →

Exact match

“Founded in 1984, the non-profit Texas811 is the largest one-call notification center in the country.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchCrown Point, IN, United StatesHQ recorded Nov 6, 20261,001-5,000278 contacts →

Exact match

“The Premier Provider for Utility Services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchDeforest, WI, United StatesHQ recorded Nov 6, 2026501-1,000196 contacts →

Exact match

“Vannguard Utility Partners provides locating services to utilities in the Midwest.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLondon, ON, CanadaHQ recorded Nov 6, 2026501-1,000178 contacts →

Exact match

“GTel is Canadian company based in London, Ontario and is a leading provider of accurate locates, field surveying, meter reading, gas leak detection and damage inspection services…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchOslo, NorwayHQ recorded Nov 6, 2026201-500172 contacts →

Exact match

“Geomatikk AS opererer en landsdekkende tjeneste for gravemelding og kabelpåvising med tilknyttede tjenester.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchTroy, MI, United StatesHQ recorded Nov 6, 2026501-1,000135 contacts →

Exact match

“Utility Resource Group, LLC (URG) is a full service utility contractor, providing a variety of infrastructure service solutions to utilities and municipalities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchGävle, SwedenHQ recorded Nov 6, 2026201-500121 contacts →

Exact match

“Geomatikk har omdefinierat marknaden för skydd av viktig infrastruktur i Sverige.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchGuelph, ON, CanadaHQ recorded Nov 6, 202651-200106 contacts →

Exact match

“Ontario One Call is a not-for-profit organization that facilitates excavation locate requests to ensure homeowners, excavators and infrastructure owners are safe when digging.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchFrisco, KS, United StatesHQ recorded Nov 6, 20261,001-5,000100 contacts →

Exact match

“LineQuest, LLC is a damage prevention company specializing in: Line-Locating, Hydro Excavation, GIS Mapping, Subsurface Utility Engineering, & One-call Management Services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchMissoula, MT, United StatesHQ recorded Nov 6, 2026201-50096 contacts →

Exact match

“United Locating Services is a national utility locating and service organization with offices in Montana, Minnesota, South Dakota, and Texas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSt Catharines, ON, CanadaHQ recorded Nov 6, 2026201-50094 contacts →

Exact match

“Since 1977, PVS Contractors (PVS) has been a leading provider of infrastructure services, providing essential utility locating, damage prevention and asset management services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchRichmond, CT, United KingdomHQ recorded Nov 6, 202651-20090 contacts →

Exact match

“PelicanCorp provides software and services to Utilities, Asset Owners and to the One Call Industry for the protection of underground assets and communities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchIndianapolis, OH, United StatesHQ recorded Nov 6, 202651-20087 contacts →

Exact match

“Blood Hound is an underground utility locating firm based in the heart of the Midwest, providing services nationwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchWilmington, DE, United StatesHQ recorded Nov 6, 202651-20075 contacts →

Exact match

“We want to be the first people you call when you need information or have a problem below the surface.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchWest Mifflin, PA, United StatesHQ recorded Nov 6, 202651-20060 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAuburn Hills, MI, United StatesHQ recorded Nov 6, 202651-20058 contacts →

Exact match

“MISS DIG 811 is a Michigan Non-Profit Corporation that operates as the Underground Utility Safety Notification System for the entire state.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchAshland, VA, United StatesHQ recorded Nov 6, 202611-5055 contacts →

Exact match

“Founded in 1994, Accumark, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSun City, AZ, United StatesHQ recorded Nov 6, 202611-5051 contacts →

Exact match

“Safe Site, LLC is a leading full-service underground utility solutions provider dedicated to helping construction, engineering, and infrastructure projects stay safe, efficient…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchPlainfield, IN, United StatesHQ recorded Nov 6, 202651-20051 contacts →

Exact match

“Going far beyond a standard 'Paint and Flag' service, we offer exceptional expertise in locating and inspection.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchDuluth, GA, United StatesHQ recorded Nov 6, 202651-20047 contacts →

Exact match

“Mission: Georgia 811 will be an industry leader in promoting safety and preventing damage to underground and overhead facilities through high-quality education and notification…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchEvansville, IN, United StatesHQ recorded Nov 6, 202651-20046 contacts →

Exact match

“On the Spot Utility Resources, LLC, is a Woman Business Enterprise (WBE) founded in 2008 with one goal in mind: to replace the industry standard of transactional-based locating…”

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

Showing 25 of 539 utility locate and marking services worldwide

See the full list, filter by size, metro and specialty, and access 3,377 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Utility locate and marking services worldwide at a glance

As of Nov 6, 2026
30.3%Verified-email coverage
20.6Average contacts per company
1-10Median size (employees)
0.7%Largest-city concentration · Hamilton
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
293
11-50
154
51-200
58
201-500
11
501-1,000
6
1,001-5,000
4
10001+
1

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 utility locate and marking services are linked below.
What qualifies
Company records worldwide whose business descriptions match “utility locate and marking services” 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 3,377 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.

Utility locate and marking services by location

3 lists · largest first

Every Utility locate and marking services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “utility locate and marking services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many utility locate and marking services are there worldwide?

RevenueBase identified 539 company matches for utility locate and marking services 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 utility locate and marking services?

The United States leads with 229 companies, followed by Australia (82) and Canada (66). Every utility locate and marking services list by country and city is linked on this page.

Which city has the most utility locate and marking services?

Hamilton leads with 4 company records, followed by London (4) and Melbourne (4).

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 3,377 professional contacts with verified work emails tracked across these 539 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.