NAICS Code 324121: Asphalt Paving Mixture and Block Manufacturing
National industry
SBA small business size standard: 500 employees
Definition
This U.S. industry comprises establishments primarily engaged in manufacturing asphalt and tar paving mixtures and blocks from purchased asphaltic materials.
Government contracts for this product: PSC 3895 Miscellaneous Construction Equipment
Code facts
- Part of
-
-
31-33
-
324
-
3241
- 32412
-
3241
-
324
-
31-33
- Contract awards
- 28 In the last 12 months
- Contract obligations
- $15,058,371 In FY2025
NAICS codes and definitions come from the U.S. Census Bureau, size standards from the SBA and contract spending from SAM.gov/FPDS.
Business activities under NAICS 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
Looking for another activity? Search the NAICS code lookup or browse business activities from A to Z.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | -$48 |
| FY2026 | $2,818,665 |
| FY2025 | $15,058,371 |
| FY2024 | $7,562,294 |
| FY2023 | $7,479,174 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | American Classic Construction Inc. | $1,541,049 | |
| 2 | Knife River Corporation - Northwest | $942,418 | |
| 3 | Fillmore Contracts, LLC | $644,383 | |
| 4 | Asphalt Systems Inc. | $379,587 | |
| 5 | Granite Construction Company | $350,000 | |
| 6 | Colaska, Inc. | $350,000 | |
| 7 | Prymol Business Management Inc. | $162,634 | |
| 8 | Quality Venture LLC | $88,411 | |
| 9 | D-J Bustamante S.R.L. | $84,649 | |
| 10 | Brimhall Sand Rock & Building Materials | $58,861 |
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Air Force | $2,916,321 | |
| 2 | Department of State | $418,121 | |
| 3 | Department of the Army | $184,022 | |
| 4 | Department of Justice | $88,411 | |
| 5 | Department of the Navy | $13,815 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 3895 Miscellaneous Construction Equipment | $1,813,329 | |
| 2 |
Z1LB Maintenance of Highways/ |
$488,940 | |
| 3 | Y1LB Construction of Highways, Roads, Streets, Bridges, and Railways | $268,362 | |
| 4 | 5680 Miscellaneous Construction Materials | $218,918 | |
| 5 | Z1PZ Maintenance of Other Non-Building Facilities | $65,110 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Florida | $1,813,329 | |
| 2 | Oregon | $806,618 | |
| 3 | Alaska | $700,000 | |
| 4 | Wyoming | $379,587 | |
| 5 | Pennsylvania | $184,022 | |
| 6 | California | $159,601 | |
| 7 | Washington | $118,187 | |
| 8 | New Hampshire | $88,411 | |
| 9 | Ohio | $71,809 | |
| 10 | Arizona | $58,861 | |
| 11 | Hawaii | $51,444 | |
| 12 | Mississippi | $13,815 |
Show all 12
Shares are of everything obligated under NAICS 324121 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 40 more
Latest 50 of 760 listed here. See the rest on GovTribe.
Size standard history
Federal Register rules that named this code
From the NAICS codes each rule's amendments to 13 CFR 121.201 name. Rules that print their size standard tables as images aren't listed.
Quick answers
What is NAICS 324121?
NAICS 324121 is Asphalt Paving Mixture and Block Manufacturing, a national industry in NAICS 31-33, Manufacturing.
What is the NAICS code for coal tar paving materials made from purchased coal tar?
The NAICS code for coal tar paving materials made from purchased coal tar is 324121, Asphalt Paving Mixture and Block Manufacturing.
What is the NAICS code for asphalt paving blocks made from purchased asphaltic materials?
The NAICS code for asphalt paving blocks made from purchased asphaltic materials is 324121, Asphalt Paving Mixture and Block Manufacturing.
What is the NAICS code for paving blocks and mixtures made from purchased asphaltic materials?
The NAICS code for paving blocks and mixtures made from purchased asphaltic materials is 324121, Asphalt Paving Mixture and Block Manufacturing.
When did the size standard for NAICS 324121 last change?
The most recent Federal Register rule on record that names NAICS 324121 in the SBA's size standards is "Small Business Size Standards; Adoption of Size Standards by 2002 North American Industry Classification System for Size Standards" (67 FR 56905), published Sep 6, 2002 and effective Oct 1, 2002.
How much do federal agencies spend under NAICS 324121?
Federal contracts under NAICS 324121 obligated $15,058,371 in fiscal year 2025 and $32,918,457 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 324121?
The contractors with the most obligated under NAICS 324121 in fiscal years 2026 and 2027 are American Classic Construction Inc. ($1,541,049); Knife River Corporation - Northwest ($942,418); and Fillmore Contracts, LLC ($644,383).
Which agencies buy the most under NAICS 324121?
The agencies that obligated the most under NAICS 324121 in fiscal years 2026 and 2027 are Air Force ($2,916,321), Department of State ($418,121) and Department of the Army ($184,022).
Which PSC codes are used with NAICS 324121?
The PSC codes with the most obligated under NAICS 324121 in fiscal years 2026 and 2027 are 3895 Miscellaneous Construction Equipment; Z1LB Maintenance of Highways/
Where is the work under NAICS 324121 performed?
By place of performance, the states with the most contract obligations under NAICS 324121 over the last 12 months are Florida ($1,813,329), Oregon ($806,618) and Alaska ($700,000).
What is the latest contract opportunity under NAICS 324121?
The latest contract opportunity under NAICS 324121 is Troop support materials, award notice from ACC Redstone, posted October 30, 2026.
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See everything under NAICS 324121
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