Company lists · Data refreshed September 2026

Top 25 Foundation underpinning companies based in the United States

RevenueBase identified 632 company matches for foundation underpinning companies associated with the United States as of September 2026 and tracks 8,925 professional contacts across them, including 2,770 with verified work emails. Houston is the largest hub.

This list covers company matches for foundation underpinning 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 28, 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 28, 2026 How this list was built
632Companies
8,925Contacts tracked
2,770Verified emails
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The 25 largest foundation underpinning companies based in the United States

Ranked by team size
Top 25 of 632 company matches for foundation underpinning companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 matchVirginia Beach, VA, United StatesHQ recorded Sep 28, 20265,001-10,0001,132 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchOdessa, FL, United StatesHQ recorded Sep 28, 2026201-500475 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchSan Francisco, CA, United StatesHQ recorded Sep 28, 2026501-1,000423 contacts →

Exact match

“For over six decades, Malcolm Drilling has set the standard in the deep foundation and ground engineering industry, consistently leading through innovation and expertise.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchBonner Springs, KS, United StatesHQ recorded Sep 28, 2026201-500377 contacts →

Exact match

“Berkel & Company Contractors currently ranks as the largest pile foundation specialty contractor in the nation (ENR, October 12, 2009) with revenues of over $250 million per year.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchNottingham, MD, United StatesHQ recorded Sep 28, 20265,001-10,000242 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchMarietta, GA, United StatesHQ recorded Sep 28, 20261,001-5,000123 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchConverse, TX, United StatesHQ recorded Sep 28, 2026501-1,000121 contacts →

Exact match

“A.H.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchMoberly, MO, United StatesHQ recorded Sep 28, 20265,001-10,000114 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchHouston, TX, United StatesHQ recorded Sep 28, 2026201-500113 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchCamden, SC, United StatesHQ recorded Sep 28, 202651-200112 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchDavidson, NC, United StatesHQ recorded Sep 28, 202651-20090 contacts →

Exact match

“Geopier, a division of CMC, is a design/build specialty contractor specializing in efficient and cost-effective Intermediate Foundation® solution for the support of structures.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchMonticello, FL, United StatesHQ recorded Sep 28, 20261,001-5,00089 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchPasadena, TX, United StatesHQ recorded Sep 28, 202651-20088 contacts →

Exact match

“T&T Construction is a turnkey concrete and site work contractor with over forty years of professional experience.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchAlabaster, AL, United StatesHQ recorded Sep 28, 20265,001-10,00087 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchRossville, IN, United StatesHQ recorded Sep 28, 2026201-50087 contacts →

Exact match

“Acculevel is your go-to foundation expert.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchColfax, NC, United StatesHQ recorded Sep 28, 202651-20080 contacts →

Exact match

“UMA is an experienced Design-Build, geotechnical contractor with a proven record of performance in diverse soil conditions.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchCollinsville, IL, United StatesHQ recorded Sep 28, 202651-20079 contacts →

Exact match

“In 1986, Rick and Anna Lee Woods, with a partner, started a waterproofing company called Basement DeWatering Systems Metro-East, Inc.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchAda, OK, United StatesHQ recorded Sep 28, 202651-20074 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchGrand Prairie, TX, United StatesHQ recorded Sep 28, 202651-20068 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchLivonia, MI, United StatesHQ recorded Sep 28, 20265,001-10,00066 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchKansas City, KS, United StatesHQ recorded Sep 28, 202651-20065 contacts →

Exact match

“L.G.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchCaseyville, IL, United StatesHQ recorded Sep 28, 202651-20060 contacts →

Exact match

“CNC Foundations is an award-winning geotechnical subcontractor specializing in ground improvement and deep foundation systems nationwide.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchTampa, FL, United StatesHQ recorded Sep 28, 202651-20059 contacts →

Exact match

“Helicon is Florida’s most trusted and customer-loved foundation repair company, headquartered in Tampa Bay with satellite offices across the state.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchBelmont, NC, United StatesHQ recorded Sep 28, 20265,001-10,00058 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchBaltimore, MD, United StatesHQ recorded Sep 28, 2026201-50055 contacts →

Exact match

“Concrete Protection & Restoration (CPR) supplies the commercial, industrial, and public markets with the highest quality concrete restoration services technologically available.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 632 foundation underpinning companies based in the United States

See the full list, filter by size, metro and specialty, and access 2,770 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Foundation underpinning companies based in the United States at a glance

As of Sep 28, 2026
31.0%Verified-email coverage
14.1Average contacts per company
11-50Median size (employees)
2.8%Largest-city concentration · Houston
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
231
11-50
269
51-200
92
201-500
17
501-1,000
2
1,001-5,000
2
5,001-10,000
13

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 632 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 “foundation underpinning 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 2,770 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 28, 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 “foundation underpinning companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many foundation underpinning companies are there based in the United States?

RevenueBase identified 632 company matches for foundation underpinning 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?

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

Which city has the most foundation underpinning companies?

Houston leads with 18 company records, followed by Dallas (11) and San Antonio (11).

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 2,770 professional contacts with verified work emails tracked across these 632 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 28, 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.