NAICS 324121: Asphalt Paving Mixture and Block Manufacturing

Asphalt Paving Mixture and Block Manufacturing is NAICS code 324121. A business is small under it with 500 employees or fewer. 1 federal contract is open on SAM.gov under this code right now.

SBA size standard
500 employees or fewer
Open contracts now
1
Federal spending, FY2025
$15.1 million
Share won by small businesses
57%
Small businesses registered
302

Open federal contracts for asphalt paving mixture and block manufacturing

  • Tinian Hot Mix Asphalt

    Dept of Defense · Dept of the Air Force · Tinian, MP

    Energy, fuel & utilities

    Due in 8 daysOct 13, 2026

What NAICS 324121 covers

The Census Bureau's NAICS index lists these kinds of work under 324121:

  • Asphalt paving blocks made from purchased asphaltic materials
  • Asphalt paving mixtures made from purchased asphaltic materials
  • Asphalt road compounds made from purchased asphaltic materials
  • Blocks, asphalt paving, made from purchased asphaltic materials
  • Coal tar paving materials made from purchased coal tar
  • Paving blocks and mixtures made from purchased asphaltic materials
  • Tar and asphalt paving mixtures made from purchased asphaltic materials

Read the full definition, including what's excluded, on census.gov.

SBA size standard for 324121

To count as a small business for a contract assigned NAICS 324121, your business must have 500 employees or fewer. Employees are averaged over the last 24 months.

From SBA's table of size standards, effective Mar 17, 2023. Confirm it with SBA's size standards tool before you certify your size.

Who buys asphalt paving mixture and block manufacturing

Agencies that awarded the most under NAICS 324121 over the last three fiscal years, per USAspending.gov:

AgencyObligated
U.S. Fish and Wildlife Service$5.9 million
Department of the Air Force$5.2 million
National Park Service$5.1 million
Bureau of Land Management$2.4 million
U.S. Customs and Border Protection$1.8 million
National Highway Traffic Safety Administration$1.4 million
International Boundary and Water Commission: U.S.-Mexico$825,751
Department of the Navy$680,053

Open notices right now come from Dept of Defense (1).

Set-asides on open 324121 contracts

  • No set-aside (full and open): 1

Not sure which set-asides you qualify for? Try the free SBA certification screener, or read set-aside contracts, explained.

Your competition

302 businesses with active SAM.gov registrations are rated small under NAICS 324121, most of them in Texas (35), California (30), Florida (17), Arizona (14) and Georgia (13). Look any of them up with the free CAGE code and UEI lookup.

Federal spending under 324121 by year

Fiscal yearContract obligations
FY2024$7.6 million
FY2025$15.1 million
FY2026$1.9 million
FY2027 (so far)$0

Source: USAspending.gov, all contract awards with this NAICS code. Fiscal years start October 1.

Related NAICS codes

Frequently asked questions

What is NAICS code 324121?

324121 is the 2022 NAICS code for Asphalt Paving Mixture and Block Manufacturing. The Census Bureau's index lists work such as asphalt paving blocks made from purchased asphaltic materials, asphalt paving mixtures made from purchased asphaltic materials, asphalt road compounds made from purchased asphaltic materials under it. Federal contracting uses the 2022 codes.

What is the SBA size standard for NAICS 324121?

500 employees or fewer. A business at or under that is small for contracts assigned this code. The current SBA table took effect Mar 17, 2023.

Are there government contracts for asphalt paving mixture and block manufacturing?

Yes. 1 federal contract opportunities under NAICS 324121 are open on SAM.gov right now. Agencies obligated about $15.1 million under this code in fiscal year 2025, according to USAspending.gov.

How do I add NAICS code 324121 to my SAM.gov registration?

Update your entity registration on SAM.gov and add the code on the Goods and Services page, in the Assertions section. You can list several NAICS codes and mark one as your primary. Changes are free.

Keep going

FedReady is an independent company, not affiliated with SBA, SAM.gov, the Census Bureau or any government agency. Open-contract counts come from SAM.gov and update daily; spending figures come from USAspending.gov.