Construction Listings
The construction listings on this directory cover foundation contractors, structural specialists, and related service providers operating across the United States. Listings are organized by service category, geographic coverage, and licensing tier to support service seekers, project managers, and procurement professionals in identifying qualified providers. The Foundation Listings reference framework defines the classification standards applied across all entries in this directory.
What listings include and exclude
Each listing entry in this directory represents a construction business or individual contractor whose primary or secondary scope includes foundation work, structural concrete, soil stabilization, underpinning, basement waterproofing, or related below-grade construction services.
Included in listings:
- Licensed general contractors with documented foundation specialization
- Structural engineers offering foundation assessment and design services
- Geotechnical firms providing soil analysis, boring reports, and compaction testing
- Waterproofing and drainage contractors operating at the foundation envelope
- Concrete repair and underpinning specialists
- Pier and beam, helical pile, and push pier installation contractors
- Mudjacking and polyurethane foam lifting service providers
Excluded from listings:
Listings do not include unlicensed operators, contractors whose license has been suspended or revoked by a state licensing board, businesses without a verifiable principal business address in the United States, and general handyman services without documented structural or foundation scope. Framing-only contractors, roofers, and HVAC contractors are excluded unless they carry a separate classification that includes structural work.
The distinction between a licensed specialty contractor and a licensed general contractor with foundation endorsement matters for permitting purposes. In states such as California, Texas, and Florida, foundation repair work may require a separate specialty license classification rather than a general B-license. Listings flag this distinction where licensing data is available.
Verification status
Listings in this directory carry one of three verification statuses that reflect the depth of credentialing review applied at time of indexing.
Claimed — Unverified: The business has submitted information but state license status has not been independently confirmed against the relevant state contractor licensing board database.
License-Verified: The listed contractor's license number has been cross-referenced with the issuing state board's public registry. License type, expiration date, and disciplinary status were confirmed at the time of verification. State licensing databases referenced include the California Contractors State License Board (CSLB), the Texas Department of Licensing and Regulation (TDLR), and equivalent bodies in other states.
Insurance-Verified: In addition to license verification, a certificate of insurance confirming general liability coverage and, where applicable, workers' compensation coverage has been reviewed. The International Residential Code (IRC) and International Building Code (IBC) — both maintained by the International Code Council (ICC) — do not set insurance minimums directly, but municipal building departments in most jurisdictions require proof of insurance before issuing a permit to a contractor.
Verification status is not a warranty of workmanship, current licensure, or financial solvency. License status can change between verification cycles. The directory purpose and scope page describes the full methodology applied to verification decisions.
Coverage gaps
This directory does not achieve uniform national coverage across all 50 states. Foundation construction licensing is governed at the state level, and licensing structures vary significantly. As of the most recent indexing cycle, coverage is densest in the 12 states with the highest volume of residential foundation repair activity — including Texas, California, Illinois, Georgia, and Ohio — where the combination of expansive clay soils, seismic zones, or freeze-thaw cycles drives elevated demand for foundation services.
Rural counties and low-population states present structural gaps. Contractors operating exclusively in those markets frequently do not appear in national directories, trade association databases, or web-indexed sources. Users seeking providers in these areas should contact state-level licensing boards or the National Association of Home Builders (NAHB) regional chapters directly.
Additionally, this directory does not currently index federal contractors operating exclusively under the Federal Acquisition Regulation (FAR) or Department of Defense construction contracts, as those procurement channels use separate qualification frameworks including the System for Award Management (SAM.gov) registry.
Listing categories
Listings are organized into the following primary categories, which align with standard construction industry classification systems including the Construction Specifications Institute (CSI) MasterFormat divisions.
Structural Foundation Contractors
Firms performing new foundation installation for residential, commercial, and industrial structures. Work in this category typically requires building permits under the applicable jurisdiction's adoption of the IBC or IRC, and inspections at footing, stem wall, and backfill phases.
Foundation Repair and Remediation
Contractors specializing in the correction of settled, cracked, or failing foundations. This category includes helical pier installation, pressed concrete pile systems, carbon fiber strap reinforcement, and epoxy crack injection. OSHA 29 CFR Part 1926 Subpart P governs excavation safety standards applicable to open-trench repair operations.
Waterproofing and Drainage
Interior and exterior waterproofing systems, French drain installation, sump pump systems, and crystalline waterproofing applications. Work scope frequently intersects with grading and stormwater management regulations administered by local municipalities under EPA National Pollutant Discharge Elimination System (NPDES) permit requirements.
Geotechnical and Testing Services
Soil borings, percolation testing, compaction testing, and geotechnical reports. These services are typically performed prior to permit application and are required by structural engineers of record in jurisdictions that enforce the IBC Chapter 18 soils and foundation provisions.
Engineering and Inspection Services
Licensed structural and geotechnical engineers offering foundation assessment, peer review, and inspection services independent of contracting relationships. PE licensure is governed on a state-by-state basis through the National Council of Examiners for Engineering and Surveying (NCEES) licensing framework.
Further detail on how to navigate these categories to identify appropriate providers is available on the how to use this foundation resource page.