Key takeaways
- NAICS 562910 covers cleanup of contaminated buildings, sites, soil and groundwater.
- The SBA size standard is $25.0M in average annual receipts. An August 2026 SBA proposal would change it to $113M (all of 5629); that proposal is not in effect.
- Federal agencies awarded $6.99B in this code in FY 2025, and small businesses won $2.55B, or 36.5%.
NAICS 562910 at a glance
| Fact | 562910 |
|---|---|
| NAICS code | 562910 |
| Title | Remediation Services |
| SBA size standard | $25.0M receipts |
| Exception | Environmental remediation services, 1,000 employees |
| Proposed standard (Aug. 2026) | $113M (all of 5629) (not in effect) |
| Federal awards, FY 2025 | $6.99B |
| Small-business awards, FY 2025 | $2.55B (36.5%) |
| Rank by small-business dollars | 15 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 562910 covers
This industry comprises businesses primarily engaged in cleanup of contaminated buildings, sites, soil and groundwater.
Size standard for 562910
A company qualifies as small under NAICS 562910 if its average annual receipts are $25.0M or less, counting affiliates. Exception: environmental remediation services, 1,000 employees.
In August 2026, the SBA proposed new size standards that would set this code at $113M (all of 5629). The proposal is not in effect. See our SBA size standards guide.
Federal spending in 562910
Federal agencies awarded $6.99B in contracts under NAICS 562910 in fiscal 2025, and $2.55B, or 36.5%, went to small businesses. That ranks 562910 No. 15 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 562910
- List the code in SAM.gov. Add 562910 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 562910 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 562910 and get you in front of them before solicitations drop. See how our federal sales development works.