# NAICS 238310: Drywall and Insulation Contractors

Breadcrumb: [NAICS codes](https://bidrover.com/naics) › [238310 Drywall and Insulation Contractors](https://bidrover.com/naics/238310)

This industry comprises establishments primarily engaged in drywall, plaster work, and building insulation work. Plaster work includes applying plain or ornamental plaster, and installation of lath to receive plaster. The work performed may include new work, additions, alterations, maintenance, and repairs. Establishments primarily engaged in providing firestop services are included in this industry.

- NAICS code: 238310
- Title: Drywall and Insulation Contractors
- Sector: 23 Construction
- Subsector: 238 Specialty Trade Contractors
- Industry group: 2383 Building Finishing Contractors
- SBA size standard: $19 million average annual receipts
- Open bids on BidRover: 0

## Open bids (0)

No open bids cite this code right now.

## Frequently asked questions

### What is NAICS code 238310?

NAICS 238310 is "Drywall and Insulation Contractors" in the 2022 North American Industry Classification System, in sector 23 (Construction). This industry comprises establishments primarily engaged in drywall, plaster work, and building insulation work. Plaster work includes applying plain or ornamental plaster, and installation of lath to receive plaster. The work performed may include new work, additions, alterations, maintenance, and repairs. Establishments primarily engaged in providing firestop services are included in this industry.

### What is the SBA size standard for NAICS 238310?

A business is small under NAICS 238310 at or below $19 million average annual receipts, including affiliates (13 CFR 121.201). Confirm the standard named in each solicitation.

### How many government bids are open under NAICS 238310?

No open bid in BidRover cites NAICS 238310 right now. Many state and local notices do not list a NAICS code, so a keyword alert for this work catches more of them.

### How do I get alerts for NAICS 238310 bids?

Save an alert on this page. A free account gets new matching bids by weekly email; the Team plan ($19/mo) sends daily alerts with match scores, the buyer, source link and documents.

## Related NAICS codes

- [238140 Masonry Contractors](https://bidrover.com/naics/238140)
- [238290 Other Building Equipment Contractors](https://bidrover.com/naics/238290)
- [238320 Painting and Wall Covering Contractors](https://bidrover.com/naics/238320)
- [238330 Flooring Contractors](https://bidrover.com/naics/238330)
- [238340 Tile and Terrazzo Contractors](https://bidrover.com/naics/238340)
- [238350 Finish Carpentry Contractors](https://bidrover.com/naics/238350)
- [238390 Other Building Finishing Contractors](https://bidrover.com/naics/238390)

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Code titles and definitions: U.S. Census Bureau, North American Industry Classification System (NAICS), 2022 (https://www.census.gov/naics/). Size standards: U.S. Small Business Administration, Small Business Size Standards, 13 CFR 121.201, eCFR text current as of 2026-10-21 (https://www.ecfr.gov/current/title-13/section-121.201).

BidRover lists bids from official public sources. It is not an issuing authority; confirm the NAICS code and size standard named in each solicitation.