# NAICS 238170: Siding Contractors

Breadcrumb: [NAICS codes](https://bidrover.com/naics) › [238170 Siding Contractors](https://bidrover.com/naics/238170)

This industry comprises establishments primarily engaged in installing siding of wood, aluminum, vinyl, or other exterior finish material (except brick, stone, stucco, or curtain wall). This industry also includes establishments installing gutters and downspouts. The work performed may include new work, additions, alterations, maintenance, and repairs.

- NAICS code: 238170
- Title: Siding Contractors
- Sector: 23 Construction
- Subsector: 238 Specialty Trade Contractors
- Industry group: 2381 Foundation, Structure, and Building Exterior 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 238170?

NAICS 238170 is "Siding Contractors" in the 2022 North American Industry Classification System, in sector 23 (Construction). This industry comprises establishments primarily engaged in installing siding of wood, aluminum, vinyl, or other exterior finish material (except brick, stone, stucco, or curtain wall). This industry also includes establishments installing gutters and downspouts. The work performed may include new work, additions, alterations, maintenance, and repairs.

### What is the SBA size standard for NAICS 238170?

A business is small under NAICS 238170 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 238170?

No open bid in BidRover cites NAICS 238170 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 238170 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)
- [238190 Other Foundation, Structure, and Building Exterior Contractors](https://bidrover.com/naics/238190)
- [238220 Plumbing, Heating, and Air-Conditioning Contractors](https://bidrover.com/naics/238220)
- [238110 Poured Concrete Foundation and Structure Contractors](https://bidrover.com/naics/238110)
- [238120 Structural Steel and Precast Concrete Contractors](https://bidrover.com/naics/238120)
- [238130 Framing Contractors](https://bidrover.com/naics/238130)
- [238150 Glass and Glazing Contractors](https://bidrover.com/naics/238150)
- [238160 Roofing Contractors](https://bidrover.com/naics/238160)

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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.