Registry · NAICS Index · Sector 23

238190 — Other Foundation, Structure, and Building Exterior Contractors

NAICS 238190 is 'Other Foundation, Structure, and Building Exterior Contractors', a 2022 U.S. national industry under Sector 23 (Construction); the SBA small-business size standard is $19,000,000 (defined under 13 CFR § 121.201).

Description

This industry comprises establishments primarily engaged in building foundation and structure trades work (except poured concrete, structural steel, precast concrete, framing, masonry, glass and glazing, roofing, and siding). The work performed may include new work, additions, alterations, maintenance, and repairs (as defined in the official U.S. Census Bureau 2022 NAICS Manual).

Illustrative Examples

  • Curtain wall, metal, installation
  • Forms for poured concrete, erecting and dismantling
  • Welding, on-site, contractors
  • Ornamental metal work installation
  • Fire escape installation
  • Decorative steel and wrought iron work installation

Exclusions & Cross-References

  • Poured concrete foundation and structure work--are classified in Industry 238110, Poured Concrete
  • Foundation and Structure Contractors;
  • Installation of structural steel or precast concrete building components--are classified in Industry 238120,
  • Structural Steel and Precast Concrete Contractors;
  • Framing buildings--are classified in Industry 238130, Framing Contractors;
  • Masonry work--are classified in Industry 238140, Masonry Contractors;
  • Glass and glazing work--are classified in Industry 238150, Glass and Glazing Contractors;
  • Installing or repairing roofs--are classified in Industry 238160, Roofing Contractors;
  • Installing siding--are classified in Industry 238170, Siding Contractors; and
  • Fireproofing buildings--are classified in Industry 238310, Drywall and Insulation Contractors.

Overview Facts

NAICS Structure: 238190 National Industry
Sector (2)
23
Construction
Subsector (3)
238
Specialty Trade Contractors
Industry Group (4)
2381
Foundation, Structure, and Building Exterior Contractors
Industry (5)
23819
Other Foundation, Structure, and Building Exterior Contractors
National Industry (6)
238190
Other Foundation, Structure, and Building Exterior Contractors

Legacy SIC Concordance

Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.

Suggested Product Service Codes (Advisory)

The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.

  • PSC L056 — Technical Representation Services: Construction and Building Materials

Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)

Frequently Asked Questions (FAQ)

Is NAICS code 238190 valid in 2022? ▾

Yes, 238190 is a valid 6-digit 2022 NAICS national industry code representing 'Other Foundation, Structure, and Building Exterior Contractors' under Sector 23 in the official classification index.

What is the SBA size standard for NAICS code 238190? ▾

The Small Business Administration (SBA) has established a small business size standard of $19,000,000 for NAICS code 238190 (Other Foundation, Structure, and Building Exterior Contractors), calculated based on receipts.

What is the legacy SIC equivalent for NAICS 238190? ▾

According to official Census Bureau concordance tables, NAICS code 238190 (Other Foundation, Structure, and Building Exterior Contractors) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 1791 - Structural Steel Erection, 1799 - Special Trade Contractors, NEC.

Related Pages & Tools

Further regulatory reference links for NAICS code 238190: