Company lists · Data refreshed October 2026

Top 25 Deep foundation engineering services based in the United States

RevenueBase identified 2,774 company matches for deep foundation engineering services associated with the United States as of October 2026 and tracks 54,576 professional contacts across them, including 23,726 with verified work emails. Houston is the largest hub.

This list covers company matches for deep foundation engineering services 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 October 24, 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 Oct 24, 2026 How this list was built
2,774Companies
54,576Contacts tracked
23,726Verified emails
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The 25 largest deep foundation engineering services based in the United States

Ranked by team size
Top 25 of 2,774 company matches for deep foundation engineering services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 24, 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 matchOlathe, KS, United StatesHQ recorded Oct 24, 20265,001-10,0006,380 contacts →

Exact match

“Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
2Exact matchChantilly, VA, United StatesHQ recorded Oct 24, 20261,001-5,0002,259 contacts →

Exact match

“ECS Group of Companies is a Chantilly, VA-based consulting engineering firm.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
3Exact matchNorwood, MA, United StatesHQ recorded Oct 24, 2026501-1,000903 contacts →

Exact match

“Founded in 1964 as a soils and foundations specialty consultant, GZA GeoEnvironmental, Inc.(GZA) has grown into a full-service company providing its clients with highly…”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Oct 24, 2026n/a795 contacts →

Exact match

“Energo Engineering is a KBR Company that provides the full package of structural integrity management (SIM) and advanced structural engineering services for offshore floating and…”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
5Exact matchGlen Allen, VA, United StatesHQ recorded Oct 24, 2026501-1,000759 contacts →

Exact match

“Schnabel is a trusted partner in building the foundation for project success.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
6Exact matchKennesaw, GA, United StatesHQ recorded Oct 24, 2026501-1,000518 contacts →

Exact match

“Established in 1996, NOVA was originally founded to provide Environmental Consulting, Geotechnical Engineering, and Construction Materials Testing and Inspection services to the…”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
7Exact matchOdessa, FL, United StatesHQ recorded Oct 24, 2026201-500472 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
8Exact matchGreenwood Village, CO, United StatesHQ recorded Oct 24, 20261,001-5,000449 contacts →

Exact match

“Minova is an industry leader of ground support and geotechnical solutions for mining, tunnelling and surface ground engineering projects.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
9Exact matchTuscaloosa, AL, United StatesHQ recorded Oct 24, 2026201-500447 contacts →

Exact match

“Founded in 1964, TTL is an engineering design firm focused on delivering integrated infrastructure solutions for public and private clients.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
10Exact matchSan Francisco, CA, United StatesHQ recorded Oct 24, 2026501-1,000436 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 · Oct 24, 2026 · View company records in RevenueBase
11Exact matchChicago, IL, United StatesHQ recorded Oct 24, 2026201-500424 contacts →

Exact match

“In 1979, Collins Engineers, Inc.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
12Exact matchBonner Springs, KS, United StatesHQ recorded Oct 24, 2026201-500392 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 · Oct 24, 2026 · View company records in RevenueBase
13Exact matchSan Diego, CA, United StatesHQ recorded Oct 24, 2026501-1,000375 contacts →

Exact match

“Ninyo & Moore was acquired by SOCOTEC US.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
14Exact matchCanonsburg, PA, United StatesHQ recorded Oct 24, 2026201-500350 contacts →

Exact match

“Nicholson has been both a leader and an innovator in the geotechnical construction industry for more than 70 years.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
15Exact matchMilwaukee, WI, United StatesHQ recorded Oct 24, 2026201-500318 contacts →

Exact match

“Mission: We listen.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
16Exact matchRichmond, VA, United StatesHQ recorded Oct 24, 2026201-500318 contacts →

Exact match

“Established in 1881, Froehling & Robertson, Inc.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
17Exact matchAnnapolis Junction, MD, United StatesHQ recorded Oct 24, 2026201-500309 contacts →

Exact match

“Hillis-Carnes Engineering Associates, Inc.(HCEA) is a Mid-Atlantic based, multi-disciplined consulting engineering firm.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
18Exact matchOrlando, FL, United StatesHQ recorded Oct 24, 2026201-500302 contacts →

Exact match

“Ardaman & Associates, Inc.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
19Exact matchSan Ramon, CA, United StatesHQ recorded Oct 24, 2026201-500287 contacts →

Exact match

“ENGEO Incorporated is an award-winning, employee-owned comprehensive provider of more than 400 geotechnical and civil engineers, geologists, GIS experts, environmental scientists…”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
20Exact matchTampa, FL, United StatesHQ recorded Oct 24, 2026201-500277 contacts →

Exact match

“KCA is a multidisciplinary engineering firm with offices throughout the Southeastern United States.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
21Exact matchBoulder, CO, United StatesHQ recorded Oct 24, 202651-200274 contacts →

Exact match

“JVA, Incorporated is an employee-owned consulting engineering firm with offices in Boulder, Fort Collins, Winter Park, Glenwood Springs, and Denver, Colorado.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
22Exact matchPittsburgh, PA, United StatesHQ recorded Oct 24, 2026201-500268 contacts →

Exact match

“Menard USA is a design-build specialty contractor offering ground improvement for sites with problematic soil conditions.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
23Exact matchSaxonburg, PA, United StatesHQ recorded Oct 24, 2026201-500252 contacts →

Exact match

“Brayman Construction Corporation is a leading heavy civil and geotechnical contractor with office headquarters in suburban Pittsburgh.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
24Exact matchAntioch, CA, United StatesHQ recorded Oct 24, 2026201-500223 contacts →

Exact match

“Drill Tech Drilling & Shoring, Inc.(DTDS) is a full service Engineering Contractor founded in 1994 Specializing in tunneling, shafts, deep foundation, ground improvement, and…”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
25Exact matchLas Vegas, NV, United StatesHQ recorded Oct 24, 2026201-500218 contacts →

Exact match

“Incorporated in 1997, GeoTek is a full service consulting engineering firm specializing in geotechnical engineering, construction materials testing, special inspection, and…”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase

Showing 25 of 2,774 deep foundation engineering services based in the United States

See the full list, filter by size, metro and specialty, and access 23,726 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Deep foundation engineering services based in the United States at a glance

As of Oct 24, 2026
43.5%Verified-email coverage
19.7Average contacts per company
11-50Median size (employees)
2.5%Largest-city concentration · Houston
Oct 24, 2026Page data refreshed

Companies by employee count

1-10
1,269
11-50
1,049
51-200
364
201-500
56
501-1,000
9
1,001-5,000
10
5,001-10,000
9
10001+
2

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 2,774 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 “deep foundation engineering 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. 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 23,726 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 October 24, 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 “deep foundation engineering services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many deep foundation engineering services are there based in the United States?

RevenueBase identified 2,774 company matches for deep foundation engineering services associated with the United States as of October 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?

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

Which city has the most deep foundation engineering services?

Houston leads with 69 company records, followed by New York (39) and Dallas (36).

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 23,726 professional contacts with verified work emails tracked across these 2,774 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 October 24, 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.