Company lists · Data refreshed September 2026
Top 25 Underpinning contractors based in the United States
RevenueBase identified 371 company matches for underpinning contractors associated with the United States as of September 2026 and tracks 4,250 professional contacts across them, including 1,229 with verified work emails. Houston is the largest hub.
This list covers company matches for underpinning contractors 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 29, 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.
The 25 largest underpinning contractors based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 465 contacts → | ||||
Exact match “Kent Companies is a full-service specialty trade contractor that performs work nationwide through the support of offices in Michigan, Texas, Ohio, and the Carolinas.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 423 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 29, 2026 · View company records in RevenueBase | |||||
| 3 | 145 contacts → | ||||
Exact match “Schnabel is a nationwide contractor that designs and constructs earth retention systems and specialized foundations.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 112 contacts → | ||||
Exact match “Cantey Foundation Specialists: Where expertise meets peace of mind.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 95 contacts → | ||||
Exact match “Our Mission "Since 1956, Cell-Crete Corporation has been the leading installer of lightweight cellular concrete.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 79 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 29, 2026 · View company records in RevenueBase | |||||
| 7 | 74 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 29, 2026 · View company records in RevenueBase | |||||
| 8 | 66 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 29, 2026 · View company records in RevenueBase | |||||
| 9 | 61 contacts → | ||||
Exact match “Power Engineering Construction Company is a California corporation that opened for business in 1986 specifically to address the needs of owners and engineers faced with difficult…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 59 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 29, 2026 · View company records in RevenueBase | |||||
| 11 | 57 contacts → | ||||
Exact match “Helical Drilling is a geotechnical design/build contractor focused on providing innovative, efficient and adaptable geotechnical engineering and ground construction solutions to…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 51 contacts → | ||||
Exact match “Groundworks, formerly Tar Heel Basement Systems, is North America's leading provider of Foundation Repair, Crawl Space Encapsulation, Basement Waterproofing, and Concrete Lifting…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 49 contacts → | ||||
Exact match “Ram Jack is the leader in North Carolina and Virginia for residential and commercial foundation repair.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 45 contacts → | ||||
Exact match “CJ Drilling is a turnkey 100% women owned and operated foundation construction contractor.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 43 contacts → | ||||
Exact match “Tekton specializes in structural shell contracting.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 35 contacts → | ||||
Exact match “Structured Foundation Repairs, Inc.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 33 contacts → | ||||
Exact match “As a full-service, turn-key subcontractor, we supply, form, pour and finish all reinforced concrete elements necessary for a total structural frame.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 32 contacts → | ||||
Exact match “Since 1985, Long Foundation Drilling Co.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 30 contacts → | ||||
Exact match “Rembco is a geotechnical contractor that specializes in foundation support, soil stabilization and specialty grouting.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 29 contacts → | ||||
Exact match “ECD NY helps developers, owners, and general contractors reduce risk, control costs, and stay on schedule by combining advanced drilling technology with collaborative value…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 28 contacts → | ||||
Exact match “Subsurface is a design-build support of excavation (SOE), deep foundation, and aggregate pier subcontractor serving the Carolinas and Virginia.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 24 contacts → | ||||
Exact match “Wright Concrete is a commercial contractor in Kentucky with underground, concrete, drilling, and pumping divisions.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 23 contacts → | ||||
Exact match “Founded in 1982 and based in Colorado, we serve the southwest and rocky mountain states in geotechnical construction, specializing in structural foundation repair and new…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 22 contacts → | ||||
Exact match “CNT is the industry leader in foundation repair services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 19 contacts → | ||||
Exact match “Geotechnical and Foundation Works” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “underpinning contractors”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 371 underpinning contractors based in the United States
See the full list, filter by size, metro and specialty, and access 1,229 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Underpinning contractors based in the United States at a glance
As of Sep 29, 2026Companies by employee count
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 371 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 “underpinning 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. 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 1,229 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 29, 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 “underpinning contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many underpinning contractors are there based in the United States?
RevenueBase identified 371 company matches for underpinning contractors 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?
Kent Companies tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most underpinning contractors?
Houston leads with 8 company records, followed by Fort Worth (7) and San Antonio (7).
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 1,229 professional contacts with verified work emails tracked across these 371 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 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 371 underpinning contractors based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Underpinning contractors by geography
- Underpinning contractors based in London, United Kingdom
- Underpinning contractors based in Australia
- Underpinning contractors based in Canada
- Underpinning contractors based in France
- Underpinning contractors based in Germany
- Underpinning contractors based in the Netherlands
- Underpinning contractors based in the United Kingdom
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Underpinning contractors based in London, United Kingdom
- Underpinning contractors based in Australia
- Underpinning contractors based in Canada
- Underpinning contractors based in France
- Underpinning contractors based in Germany
- Underpinning contractors based in the Netherlands
Company intelligence · public preview
Top 25 underpinning contractors based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 371 matching company records for underpinning contractors based in the United States, with 4,250 tracked contacts and 1,229 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 underpinning contractors based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Kent Companieskentcompanies.com HQ: Grand Rapids, MI, United StatesReported employees: 1,001-5,000 | Grand Rapids, MI, United States | 1,001-5,000 | Exact match | 465 contacts → |
“Kent Companies is a full-service specialty trade contractor that performs work nationwide through the support of offices in Michigan, Texas, Ohio, and the Carolinas.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Malcolm Drillingmalcolmdrilling.com HQ: San Francisco, CA, United StatesReported employees: 501-1,000 | San Francisco, CA, United States | 501-1,000 | Exact match | 423 contacts → |
“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 description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Schnabelschnabel.com HQ: Sterling, VA, United StatesReported employees: 201-500 | Sterling, VA, United States | 201-500 | Exact match | 145 contacts → |
“Schnabel is a nationwide contractor that designs and constructs earth retention systems and specialized foundations.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Cantey Foundation Specialistscanteycanfixit.comHQ: Camden, SC, United StatesReported employees: 51-200 | Camden, SC, United States | 51-200 | Exact match | 112 contacts → |
“Cantey Foundation Specialists: Where expertise meets peace of mind.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Cell-Crete Corporationcell-crete.com HQ: Monrovia, CA, United StatesReported employees: 51-200 | Monrovia, CA, United States | 51-200 | Exact match | 95 contacts → |
“Our Mission "Since 1956, Cell-Crete Corporation has been the leading installer of lightweight cellular concrete.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Woods Basement Systems, INCwoodsbasementsystems.comHQ: Collinsville, IL, United StatesReported employees: 51-200 | Collinsville, IL, United States | 51-200 | Exact match | 79 contacts → |
“In 1986, Rick and Anna Lee Woods, with a partner, started a waterproofing company called Basement DeWatering Systems Metro-East, Inc.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | RAM Jackramjack.com HQ: Ada, OK, United StatesReported employees: 51-200 | Ada, OK, United States | 51-200 | Exact match | 74 contacts → |
“Ram Jack pursues our commitment to Quality First in our foundation repair and new foundation solutions in both residential and commercial applications.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Foundation Systems Of Michigandrymich.comHQ: Livonia, MI, United StatesReported employees: 5,001-10,000 | Livonia, MI, United States | 5,001-10,000 | Exact match | 66 contacts → |
“Groundworks, formerly Foundation Systems of Michigan, is North America's leading provider of Foundation Repair, Crawl Space Encapsulation, Basement Waterproofing, and Concrete…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Power Engineering Construction COpowerengconstruction.com HQ: Alameda, CA, United StatesReported employees: 51-200 | Alameda, CA, United States | 51-200 | Exact match | 61 contacts → |
“Power Engineering Construction Company is a California corporation that opened for business in 1986 specifically to address the needs of owners and engineers faced with difficult…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Heliconheliconusa.comHQ: Tampa, FL, United StatesReported employees: 51-200 | Tampa, FL, United States | 51-200 | Exact match | 59 contacts → |
“Helicon is Florida’s most trusted and customer-loved foundation repair company, headquartered in Tampa Bay with satellite offices across the state.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Helical Drillinghelicaldrilling.com HQ: Braintree, MA, United StatesReported employees: 51-200 | Braintree, MA, United States | 51-200 | Exact match | 57 contacts → |
“Helical Drilling is a geotechnical design/build contractor focused on providing innovative, efficient and adaptable geotechnical engineering and ground construction solutions to…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  TAR Heel Basement Systemsgroundworks.comHQ: Winston-salem, NC, United StatesReported employees: 5,001-10,000 | Winston-salem, NC, United States | 5,001-10,000 | Exact match | 51 contacts → |
“Groundworks, formerly Tar Heel Basement Systems, is North America's leading provider of Foundation Repair, Crawl Space Encapsulation, Basement Waterproofing, and Concrete Lifting…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | RAM Jack Foundation Solutionsramjackusa.com HQ: Durham, NC, United StatesReported employees: 11-50 | Durham, NC, United States | 11-50 | Exact match | 49 contacts → |
“Ram Jack is the leader in North Carolina and Virginia for residential and commercial foundation repair.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | CJ Drilling INCcjdrilling.com HQ: Dundee, IL, United StatesReported employees: 51-200 | Dundee, IL, United States | 51-200 | Exact match | 45 contacts → |
“CJ Drilling is a turnkey 100% women owned and operated foundation construction contractor.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Tekton Construction Corptektonconstructioncorp.comHQ: Miami, FL, United StatesReported employees: 201-500 | Miami, FL, United States | 201-500 | Exact match | 43 contacts → |
“Tekton specializes in structural shell contracting.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Structured Foundation Repairs & Roofing Systemsstructuredfoundation.com HQ: Euless, TX, United StatesReported employees: 51-200 | Euless, TX, United States | 51-200 | Exact match | 35 contacts → |
“Structured Foundation Repairs, Inc.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Miller & Long DCmillerandlongdc.com HQ: Washington, DC, United StatesReported employees: 501-1,000 | Washington, DC, United States | 501-1,000 | Exact match | 33 contacts → |
“As a full-service, turn-key subcontractor, we supply, form, pour and finish all reinforced concrete elements necessary for a total structural frame.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Long Foundation Drilling COlfdc.com HQ: Nashville, TN, United StatesReported employees: 51-200 | Nashville, TN, United States | 51-200 | Exact match | 32 contacts → |
“Since 1985, Long Foundation Drilling Co.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Rembco Geotechnical Contractors, INCrembco.com HQ: Powell, TN, United StatesReported employees: 51-200 | Powell, TN, United States | 51-200 | Exact match | 30 contacts → |
“Rembco is a geotechnical contractor that specializes in foundation support, soil stabilization and specialty grouting.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | ECDNYecdny.com HQ: Congers, NY, United StatesReported employees: 201-500 | Congers, NY, United States | 201-500 | Exact match | 29 contacts → |
“ECD NY helps developers, owners, and general contractors reduce risk, control costs, and stay on schedule by combining advanced drilling technology with collaborative value…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Subsurface Construction Company, LLCsubsurfaceconstruction.com HQ: Smithfield, NC, United StatesReported employees: 11-50 | Smithfield, NC, United States | 11-50 | Exact match | 28 contacts → |
“Subsurface is a design-build support of excavation (SOE), deep foundation, and aggregate pier subcontractor serving the Carolinas and Virginia.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Wright Concretewrightconcrete.com HQ: Pikeville, KY, United StatesReported employees: 51-200 | Pikeville, KY, United States | 51-200 | Exact match | 24 contacts → |
“Wright Concrete is a commercial contractor in Kentucky with underground, concrete, drilling, and pumping divisions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Straight Line Construction COstraightlinepier.com HQ: Pueblo, CO, United StatesReported employees: 51-200 | Pueblo, CO, United States | 51-200 | Exact match | 23 contacts → |
“Founded in 1982 and based in Colorado, we serve the southwest and rocky mountain states in geotechnical construction, specializing in structural foundation repair and new…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | CNT Foundationsyourfoundationexperts.com HQ: North Charleston, SC, United StatesReported employees: 11-50 | North Charleston, SC, United States | 11-50 | Exact match | 22 contacts → |
“CNT is the industry leader in foundation repair services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Ancortex INCancortex.usHQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 19 contacts → |
“Geotechnical and Foundation Works” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 371 company matches
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Underpinning contractors: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
368 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 371 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 29, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for underpinning contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many underpinning contractors did RevenueBase find based in the United States?
The saved snapshot records 371 matching company records, 4,250 tracked contacts and 1,229 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Underpinning contractors by geography
- Underpinning contractors based in London, United Kingdom
- Underpinning contractors based in Australia
- Underpinning contractors based in Canada
- Underpinning contractors based in France
- Underpinning contractors based in Germany
- Underpinning contractors based in the Netherlands
- Underpinning contractors based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 underpinning contractors based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/underpinning-contractors/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Underpinning contractors based in London, United Kingdom
- Underpinning contractors based in Australia
- Underpinning contractors based in Canada
- Underpinning contractors based in France
- Underpinning contractors based in Germany
- Underpinning contractors based in the Netherlands
Company intelligence · public preview
Top 25 underpinning contractors based in the United States
RevenueBase records 371 matching company records for underpinning contractors based in the United States, with 4,250 tracked contacts and 1,229 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 underpinning contractors based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Kent Companieskentcompanies.com HQ: Grand Rapids, MI, United StatesReported employees: 1,001-5,000 | Grand Rapids, MI, United States | 1,001-5,000 | Exact match | 465 contacts → |
“Kent Companies is a full-service specialty trade contractor that performs work nationwide through the support of offices in Michigan, Texas, Ohio, and the Carolinas.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Malcolm Drillingmalcolmdrilling.com HQ: San Francisco, CA, United StatesReported employees: 501-1,000 | San Francisco, CA, United States | 501-1,000 | Exact match | 423 contacts → |
“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 description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Schnabelschnabel.com HQ: Sterling, VA, United StatesReported employees: 201-500 | Sterling, VA, United States | 201-500 | Exact match | 145 contacts → |
“Schnabel is a nationwide contractor that designs and constructs earth retention systems and specialized foundations.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Cantey Foundation Specialistscanteycanfixit.com HQ: Camden, SC, United StatesReported employees: 51-200 | Camden, SC, United States | 51-200 | Exact match | 112 contacts → |
“Cantey Foundation Specialists: Where expertise meets peace of mind.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Cell-Crete Corporationcell-crete.com HQ: Monrovia, CA, United StatesReported employees: 51-200 | Monrovia, CA, United States | 51-200 | Exact match | 95 contacts → |
“Our Mission "Since 1956, Cell-Crete Corporation has been the leading installer of lightweight cellular concrete.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Woods Basement Systems, INCwoodsbasementsystems.com HQ: Collinsville, IL, United StatesReported employees: 51-200 | Collinsville, IL, United States | 51-200 | Exact match | 79 contacts → |
“In 1986, Rick and Anna Lee Woods, with a partner, started a waterproofing company called Basement DeWatering Systems Metro-East, Inc.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | RAM Jackramjack.com HQ: Ada, OK, United StatesReported employees: 51-200 | Ada, OK, United States | 51-200 | Exact match | 74 contacts → |
“Ram Jack pursues our commitment to Quality First in our foundation repair and new foundation solutions in both residential and commercial applications.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Foundation Systems Of Michigandrymich.com HQ: Livonia, MI, United StatesReported employees: 5,001-10,000 | Livonia, MI, United States | 5,001-10,000 | Exact match | 66 contacts → |
“Groundworks, formerly Foundation Systems of Michigan, is North America's leading provider of Foundation Repair, Crawl Space Encapsulation, Basement Waterproofing, and Concrete…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Power Engineering Construction COpowerengconstruction.com HQ: Alameda, CA, United StatesReported employees: 51-200 | Alameda, CA, United States | 51-200 | Exact match | 61 contacts → |
“Power Engineering Construction Company is a California corporation that opened for business in 1986 specifically to address the needs of owners and engineers faced with difficult…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Heliconheliconusa.com HQ: Tampa, FL, United StatesReported employees: 51-200 | Tampa, FL, United States | 51-200 | Exact match | 59 contacts → |
“Helicon is Florida’s most trusted and customer-loved foundation repair company, headquartered in Tampa Bay with satellite offices across the state.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Helical Drillinghelicaldrilling.com HQ: Braintree, MA, United StatesReported employees: 51-200 | Braintree, MA, United States | 51-200 | Exact match | 57 contacts → |
“Helical Drilling is a geotechnical design/build contractor focused on providing innovative, efficient and adaptable geotechnical engineering and ground construction solutions to…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | TAR Heel Basement Systemsgroundworks.com HQ: Winston-salem, NC, United StatesReported employees: 5,001-10,000 | Winston-salem, NC, United States | 5,001-10,000 | Exact match | 51 contacts → |
“Groundworks, formerly Tar Heel Basement Systems, is North America's leading provider of Foundation Repair, Crawl Space Encapsulation, Basement Waterproofing, and Concrete Lifting…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | RAM Jack Foundation Solutionsramjackusa.com HQ: Durham, NC, United StatesReported employees: 11-50 | Durham, NC, United States | 11-50 | Exact match | 49 contacts → |
“Ram Jack is the leader in North Carolina and Virginia for residential and commercial foundation repair.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | CJ Drilling INCcjdrilling.com HQ: Dundee, IL, United StatesReported employees: 51-200 | Dundee, IL, United States | 51-200 | Exact match | 45 contacts → |
“CJ Drilling is a turnkey 100% women owned and operated foundation construction contractor.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Tekton Construction Corptektonconstructioncorp.com HQ: Miami, FL, United StatesReported employees: 201-500 | Miami, FL, United States | 201-500 | Exact match | 43 contacts → |
“Tekton specializes in structural shell contracting.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Structured Foundation Repairs & Roofing Systemsstructuredfoundation.com HQ: Euless, TX, United StatesReported employees: 51-200 | Euless, TX, United States | 51-200 | Exact match | 35 contacts → |
“Structured Foundation Repairs, Inc.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Miller & Long DCmillerandlongdc.com HQ: Washington, DC, United StatesReported employees: 501-1,000 | Washington, DC, United States | 501-1,000 | Exact match | 33 contacts → |
“As a full-service, turn-key subcontractor, we supply, form, pour and finish all reinforced concrete elements necessary for a total structural frame.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Long Foundation Drilling COlfdc.com HQ: Nashville, TN, United StatesReported employees: 51-200 | Nashville, TN, United States | 51-200 | Exact match | 32 contacts → |
“Since 1985, Long Foundation Drilling Co.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Rembco Geotechnical Contractors, INCrembco.com HQ: Powell, TN, United StatesReported employees: 51-200 | Powell, TN, United States | 51-200 | Exact match | 30 contacts → |
“Rembco is a geotechnical contractor that specializes in foundation support, soil stabilization and specialty grouting.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | ECDNYecdny.com HQ: Congers, NY, United StatesReported employees: 201-500 | Congers, NY, United States | 201-500 | Exact match | 29 contacts → |
“ECD NY helps developers, owners, and general contractors reduce risk, control costs, and stay on schedule by combining advanced drilling technology with collaborative value…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Subsurface Construction Company, LLCsubsurfaceconstruction.com HQ: Smithfield, NC, United StatesReported employees: 11-50 | Smithfield, NC, United States | 11-50 | Exact match | 28 contacts → |
“Subsurface is a design-build support of excavation (SOE), deep foundation, and aggregate pier subcontractor serving the Carolinas and Virginia.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Wright Concretewrightconcrete.com HQ: Pikeville, KY, United StatesReported employees: 51-200 | Pikeville, KY, United States | 51-200 | Exact match | 24 contacts → |
“Wright Concrete is a commercial contractor in Kentucky with underground, concrete, drilling, and pumping divisions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Straight Line Construction COstraightlinepier.com HQ: Pueblo, CO, United StatesReported employees: 51-200 | Pueblo, CO, United States | 51-200 | Exact match | 23 contacts → |
“Founded in 1982 and based in Colorado, we serve the southwest and rocky mountain states in geotechnical construction, specializing in structural foundation repair and new…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | CNT Foundationsyourfoundationexperts.com HQ: North Charleston, SC, United StatesReported employees: 11-50 | North Charleston, SC, United States | 11-50 | Exact match | 22 contacts → |
“CNT is the industry leader in foundation repair services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Ancortex INCancortex.us HQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 19 contacts → |
“Geotechnical and Foundation Works” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 371 company matches
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Underpinning contractors: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
368 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 371 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 29, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for underpinning contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many underpinning contractors did RevenueBase find based in the United States?
The saved snapshot records 371 matching company records, 4,250 tracked contacts and 1,229 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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- Underpinning contractors based in the Netherlands
- Underpinning contractors based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 underpinning contractors based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/underpinning-contractors/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Underpinning contractors based in Canada
- Underpinning contractors based in France
- Underpinning contractors based in Germany
- Underpinning contractors based in the Netherlands