Company lists · Data refreshed September 2026

Top 25 Foundation inspection companies worldwide

RevenueBase identified 2,172 foundation inspection companies worldwide as of September 2026 and tracks 16,303 professional contacts across them, including 4,805 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers foundation inspection companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026. Country and city lists for foundation inspection companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review
2,172Companies
16,303Contacts tracked
4,805Verified emails
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The 25 largest foundation inspection companies worldwide

Ranked by team size
Top 25 of 2,172 foundation inspection companies worldwide, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to foundation inspection companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceVirginia Beach, VA, United StatesHQ checked Sep 20, 20265,001-10,0001,132 contacts →

Partial evidence

“At Groundworks, we're more than just a company; we're a national movement towards safer, more secure foundations for homes and businesses across the United States.”

Source: RevenueBase Database · checked Sep 20, 2026
2Indirect evidenceOdessa, FL, United StatesHQ checked Sep 20, 2026201-500475 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 20, 2026
3Partial evidenceIrvine, CA, United StatesHQ checked Sep 20, 202651-200190 contacts →

Partial evidence

“Leighton, a Verdantas Company, provides environmental, geotechnical, materials testing, and special inspection services across the built community.”

Source: RevenueBase Database · checked Sep 20, 2026
4Indirect evidenceDenver, CO, United StatesHQ checked Sep 20, 2026201-500189 contacts →

Indirect evidence

“CTL|Thompson (CTL|T) has been providing innovative engineering solutions throughout Colorado since 1971.”

Source: RevenueBase Database · checked Sep 20, 2026
5Indirect evidenceLong Beach, CA, United StatesHQ checked Sep 20, 2026201-500178 contacts →

Indirect evidence

“Twining has continued to expand and evolve since its inception more than a century ago.”

Source: RevenueBase Database · checked Sep 20, 2026
6Indirect evidenceMerignac Cedex, FranceHQ checked Sep 20, 202651-200125 contacts →

Indirect evidence

“Temsol est reconnue depuis 50 ans comme le spécialiste dans les domaines de la géotechnique, des structures et de l’environnement.”

Source: RevenueBase Database · checked Sep 20, 2026
7Partial evidenceMarietta, GA, United StatesHQ checked Sep 20, 20261,001-5,000123 contacts →

Partial evidence

“AquaGuard is proud to be part of Groundworks-North America’s leading and fastest-growing foundation and water management solutions company.”

Source: RevenueBase Database · checked Sep 20, 2026
8Indirect evidenceTemple Terrace, FL, United StatesHQ checked Sep 20, 202651-200118 contacts →

Indirect evidence

“Established in 1992, Tierra, Inc.(Tierra) is a full-service consulting geotechnical, forensics, environmental, and construction materials testing engineering firm.”

Source: RevenueBase Database · checked Sep 20, 2026
9Partial evidenceMoberly, MO, United StatesHQ checked Sep 20, 20265,001-10,000114 contacts →

Partial evidence

Foundation Recovery Systems is proud to be part of Groundworks-North America’s leading and fastest-growing foundation and water management solutions company.”

Source: RevenueBase Database · checked Sep 20, 2026
10Partial evidenceHamilton, ON, CanadaHQ checked Sep 20, 2026201-500113 contacts →

Partial evidence

“Soletanche Bachy Canada Inc.(SB Canada) was established on January 1, 2019 through the amalgamation of two members of the Soletanche Bachy family, AGRA Foundations and Bermingham…”

Source: RevenueBase Database · checked Sep 20, 2026
11Partial evidenceHouston, TX, United StatesHQ checked Sep 20, 2026201-500113 contacts →

Partial evidence

“Olshan Foundation Solutions is the premier provider of foundation repair, waterproofing and related services in the markets it serves across the United States.”

Source: RevenueBase Database · checked Sep 20, 2026
12Partial evidenceCamden, SC, United StatesHQ checked Sep 20, 202651-200112 contacts →

Partial evidence

“Cantey Foundation Specialists: Where expertise meets peace of mind.”

Source: RevenueBase Database · checked Sep 20, 2026
13Indirect evidenceSpringville, NY, United StatesHQ checked Sep 20, 202651-20097 contacts →

Indirect evidence

“Encorus Group, founded in 1996, employs over 100 engineers, architects, technicians, inspectors, and support staff across New York State.”

Source: RevenueBase Database · checked Sep 20, 2026
14Partial evidenceMoorabbin, AustraliaHQ checked Sep 20, 202651-20096 contacts →

Partial evidence

“Australia's leading, national building inspection company specialises in pre-purchase building inspections, new construction stage inspections including final or handover…”

Source: RevenueBase Database · checked Sep 20, 2026
15Indirect evidenceMount Prospect, IL, United StatesHQ checked Sep 20, 202651-20095 contacts →

Indirect evidence

“CTLGroup is a globally recognized engineering consulting and testing firm specializing in structural condition assessment, forensic engineering, and construction materials testing.”

Source: RevenueBase Database · checked Sep 20, 2026
16Partial evidenceMonticello, FL, United StatesHQ checked Sep 20, 20261,001-5,00089 contacts →

Partial evidence

“Alpha Foundations is proud to be part of Groundworks-North America’s leading and fastest-growing foundation solutions company.”

Source: RevenueBase Database · checked Sep 20, 2026
17Partial evidenceRossville, IN, United StatesHQ checked Sep 20, 2026201-50087 contacts →

Partial evidence

“Acculevel is your go-to foundation expert.”

Source: RevenueBase Database · checked Sep 20, 2026
18Indirect evidenceCollinsville, TX, United StatesHQ checked Sep 20, 202651-20084 contacts →

Indirect evidence

“Geotex Engineering is an experienced North Texas engineering firm that provides geotechnical and construction materials testing services for education, municipal, water…”

Source: RevenueBase Database · checked Sep 20, 2026
19Indirect evidenceRiyadh, Saudi ArabiaHQ checked Sep 20, 2026501-1,00078 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 20, 2026
20Partial evidenceAda, OK, United StatesHQ checked Sep 20, 202651-20074 contacts →

Partial evidence

“Ram Jack pursues our commitment to Quality First in our foundation repair and new foundation solutions in both residential and commercial applications.”

Source: RevenueBase Database · checked Sep 20, 2026
21Indirect evidenceForney, TX, United StatesHQ checked Sep 20, 202651-20074 contacts →

Indirect evidence

“Eric L.”

Source: RevenueBase Database · checked Sep 20, 2026
22Indirect evidenceFreeport, ME, United StatesHQ checked Sep 20, 202611-5072 contacts →

Indirect evidence

“Criterium Engineers, one of North America’s leading consulting engineering firms, helps clients better understand the buildings that they own, build, manage, or purchase.”

Source: RevenueBase Database · checked Sep 20, 2026
23Partial evidenceGrand Prairie, TX, United StatesHQ checked Sep 20, 202651-20068 contacts →

Partial evidence

“Everything is bigger in Texas, even the foundation problems.”

Source: RevenueBase Database · checked Sep 20, 2026
24Indirect evidenceLa Penne-sur-huveaune, FranceHQ checked Sep 20, 202651-20067 contacts →

Indirect evidence

“Depuis plus de 10 ans nous intervenons sur l’ensemble des métiers de l’ingénierie des structures neuves et existantes en maîtrise d’œuvre, exécution, instrumentation et diagnostic…”

Source: RevenueBase Database · checked Sep 20, 2026
25Partial evidenceLivonia, MI, United StatesHQ checked Sep 20, 20265,001-10,00066 contacts →

Partial evidence

“Groundworks, formerly Foundation Systems of Michigan, is North America's leading provider of Foundation Repair, Crawl Space Encapsulation, Basement Waterproofing, and Concrete…”

Source: RevenueBase Database · checked Sep 20, 2026

Showing 25 of 2,172 foundation inspection companies worldwide

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Foundation inspection companies worldwide at a glance

As of Sep 20, 2026
29.5%Verified-email coverage
7.5Average contacts per company
1-10Median size (employees)
1.3%Largest-city concentration · Sao Paulo
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
1,333
11-50
648
51-200
134
201-500
22
501-1,000
1
1,001-5,000
3
5,001-10,000
10

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among foundation inspection companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for foundation inspection companies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “foundation inspection companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names foundation inspection companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among foundation inspection companies, and records with no verified work email.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 4,805 across the full list. 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 20, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Foundation inspection companies by location

9 lists · largest first

Every Foundation inspection companies 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 Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names foundation inspection companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many foundation inspection companies are there worldwide?

RevenueBase identified 2,172 foundation inspection companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Groundworks, headquartered in Virginia Beach, tops this list with the largest team on record.

Which country has the most foundation inspection companies?

The United States leads with 936 companies, followed by Brazil (219) and France (113). Every foundation inspection companies list by country and city is linked on this page.

Which city has the most foundation inspection companies?

Sao Paulo leads with 29 headquartered companies, followed by Houston (22) and Dallas (15).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 4,805 verified decision-maker contacts tracked across these 2,172 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 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 Smart Search, 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.