Key takeaways
- NAICS 236220 covers new construction, additions and renovations of commercial and institutional buildings.
- The SBA size standard is $45.0M in average annual receipts. An August 2026 SBA proposal would change it to 600 employees; that proposal is not in effect.
- Federal agencies awarded $30.64B in this code in FY 2025, and small businesses won $13.49B, or 44.0%.
NAICS 236220 at a glance
| Fact | 236220 |
|---|---|
| NAICS code | 236220 |
| Title | Commercial and Institutional Building Construction |
| SBA size standard | $45.0M receipts |
| Proposed standard (Aug. 2026) | 600 employees (not in effect) |
| Federal awards, FY 2025 | $30.64B |
| Small-business awards, FY 2025 | $13.49B (44.0%) |
| Rank by small-business dollars | 2 of the top 15 codes |
Sources: U.S. Census Bureau NAICS manual; SBA Table of Small Business Size Standards, 13 CFR 121.201; GovSpend analysis of FPDS data, May 27, 2026. Confirm any size determination with the SBA size tool.
What NAICS 236220 covers
This industry comprises businesses primarily engaged in new construction, additions and renovations of commercial and institutional buildings.
Size standard for 236220
A company qualifies as small under NAICS 236220 if its average annual receipts are $45.0M or less, counting affiliates.
In August 2026, the SBA proposed new size standards that would set this code at 600 employees. The proposal is not in effect. See our SBA size standards guide.
Federal spending in 236220
Federal agencies awarded $30.64B in contracts under NAICS 236220 in fiscal 2025, and $13.49B, or 44.0%, went to small businesses. That ranks 236220 No. 2 among NAICS codes by small-business dollars, according to GovSpend's analysis of FPDS data. See the full ranking of top NAICS codes for government contracts.
How to win contracts in 236220
- List the code in SAM.gov. Add 236220 to your registration if it describes work you do, and choose a primary code for your main business; see our SAM registration guide.
- Search by code. Filter SAM.gov contract opportunities and agency procurement forecasts by 236220 to find recurring buyers.
- Study past awards. Look at which agencies, contract vehicles and incumbents dominate the code before you pursue it.
- Target the right agencies. Our federal agency guides cover budgets, buying components and forecasts for 23 agencies.
- Look beyond federal. States, cities, counties and school districts buy the same services; see our state government guides.
How KSG helps
Kensington Sales Group's SDRs book meetings with public agencies across Federal, SLED, K-12 & Higher Ed, Healthcare, Tribal, Special Districts and Utilities. We find the program offices and buyers that spend in NAICS 236220 and get you in front of them before solicitations drop. See how our federal sales development works.