NAICS Code 33231: Plate Work and Fabricated Structural Product Manufacturing
NAICS industry
Definition
This industry comprises establishments primarily engaged in manufacturing one or more of the following: (1) prefabricated metal buildings, panels, and sections; (2) structural metal products; and (3) metal plate work products.
Government contracts for this product: PSC 5410 Prefabricated and Portable Buildings
Code facts
- Part of
-
-
31-33
-
332
- 3323
-
332
-
31-33
- Codes under it
- 3
- Contract awards
- 979 In the last 12 months
- Contract obligations
- $467,475,902 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.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $6,310,156 |
| FY2026 | $404,955,391 |
| FY2025 | $467,475,902 |
| FY2024 | $584,870,168 |
| FY2023 | $366,415,739 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Red Canyon Perikin JV, LLC | $54,418,105 | |
| 2 | Cummins Power Generation Inc. | $40,554,007 | |
| 3 | Knight Const. & Supply, Inc. | $25,040,883 | |
| 4 | Mill Creek LLC | $22,432,390 | |
| 5 | ACS Ritz JV, LLC | $21,383,070 | |
| 6 | Maccaferri, Inc. | $18,340,504 | |
| 7 | G & G Steel Inc. | $14,810,444 | |
| 8 | Steward Machine Co Inc. | $14,685,013 | |
| 9 | Brook Special Solutions LTD | $13,451,521 | |
| 10 | Assisted Building Solutions LLC | $12,997,924 |
See the full FY2025 ranking of NAICS 33231 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Army | $144,200,419 | |
| 2 | Air Force | $111,378,642 | |
| 3 | Defense Logistics Agency | $41,010,340 | |
| 4 | Department of Homeland Security | $38,762,093 | |
| 5 | Department of the Navy | $25,155,527 | |
| 6 | Department of Transportation | $11,926,178 | |
| 7 | Department of Justice | $9,617,294 | |
| 8 | General Services Administration | $6,217,894 | |
| 9 | Executive Office of the President | $6,115,000 | |
| 10 | Department of Veterans Affairs | $4,908,532 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 5410 Prefabricated and Portable Buildings | $114,278,278 | |
| 2 | 6115 Generators and Generator Sets, Electrical | $41,318,757 | |
| 3 | 5450 Miscellaneous Prefabricated Structures | $38,126,542 | |
| 4 | 9640 Iron and Steel Primary and Semifinished Products | $37,752,117 | |
| 5 | 7195 Miscellaneous Furniture and Fixtures | $22,753,420 | |
| 6 |
R408 Program Management/ |
$20,772,129 | |
| 7 | 9520 Structural Shapes | $15,727,740 | |
| 8 | 2050 Buoys | $13,879,132 | |
| 9 | 9630 Additive Metal Materials | $10,111,285 | |
| 10 | W054 Lease or Rental of Equipment: Prefabricated Structures and Scaffolding | $9,772,975 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Arizona | $57,215,255 | |
| 2 | Minnesota | $45,791,323 | |
| 3 | Maryland | $27,363,943 | |
| 4 | Idaho | $22,630,637 | |
| 5 | Alabama | $22,371,580 | |
| 6 | Oklahoma | $20,307,982 | |
| 7 | Michigan | $17,288,094 | |
| 8 | New Mexico | $13,399,559 | |
| 9 | Missouri | $12,689,398 | |
| 10 | Kentucky | $12,490,830 | |
| 11 | Washington | $12,377,453 | |
| 12 | Virginia | $7,937,682 | |
| 13 | Florida | $7,868,334 | |
| 14 | Texas | $7,818,566 | |
| 15 | District of Columbia | $6,696,133 | |
| 16 | Ohio | $5,561,257 | |
| 17 | Georgia | $4,761,813 | |
| 18 | California | $4,743,057 | |
| 19 | Oregon | $4,720,669 | |
| 20 | New Jersey | $3,962,534 | |
| 21 | Indiana | $3,310,895 | |
| 22 | Pennsylvania | $3,210,671 | |
| 23 | North Carolina | $2,953,822 | |
| 24 | Massachusetts | $2,900,153 | |
| 25 | Illinois | $2,052,078 | |
| 26 | South Carolina | $1,589,702 | |
| 27 | Louisiana | $1,583,847 | |
| 28 | Colorado | $1,581,989 | |
| 29 | Wisconsin | $1,019,990 | |
| 30 | New York | $1,013,884 | |
| 31 | Utah | $861,915 | |
| 32 | Tennessee | $842,033 | |
| 33 | Nevada | $750,305 | |
| 34 | Mississippi | $665,052 | |
| 35 | West Virginia | $420,347 | |
| 36 | Connecticut | $360,860 | |
| 37 | Kansas | $234,947 | |
| 38 | North Dakota | $185,447 | |
| 39 | Iowa | $115,011 | |
| 40 | Hawaii | $114,656 | |
| 41 | Arkansas | $100,550 | |
| 42 | Montana | $82,014 | |
| 43 | Maine | $72,537 | |
| 44 | Vermont | $44,500 | |
| 45 | Nebraska | $17,079 | |
| 46 | Rhode Island | $13,375 | |
| 47 | Puerto Rico | $6,300 | |
| 48 | Alaska | $3,615 |
Show all 48
Shares are of everything obligated under NAICS 33231 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 13,845 listed here. See the rest on GovTribe.
Codes under 33231
| NAICS code | Size standard |
|---|---|
| 332311 Prefabricated Metal Building and Component Manufacturing | 750 employees |
| 332312 Fabricated Structural Metal Manufacturing | 500 employees |
| 332313 Plate Work Manufacturing | 750 employees |
Quick answers
What is NAICS 33231?
NAICS 33231 is Plate Work and Fabricated Structural Product Manufacturing, a NAICS industry in NAICS 31-33, Manufacturing.
What codes are under NAICS 33231?
NAICS 33231 has 3 codes under it with their own GovTribe pages: 332311 Prefabricated Metal Building and Component Manufacturing, 332312 Fabricated Structural Metal Manufacturing and 332313 Plate Work Manufacturing.
How much do federal agencies spend under NAICS 33231?
Federal contracts under NAICS 33231 obligated $467,475,902 in fiscal year 2025 and $1,830,027,356 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 33231?
The contractors with the most obligated under NAICS 33231 in fiscal years 2026 and 2027 are Red Canyon Perikin JV, LLC ($54,418,105); Cummins Power Generation Inc. ($40,554,007); and Knight Const. & Supply, Inc. ($25,040,883).
Which agencies buy the most under NAICS 33231?
The agencies that obligated the most under NAICS 33231 in fiscal years 2026 and 2027 are Department of the Army ($144,200,419), Air Force ($111,378,642) and Defense Logistics Agency ($41,010,340).
Which PSC codes are used with NAICS 33231?
The PSC codes with the most obligated under NAICS 33231 in fiscal years 2026 and 2027 are 5410 Prefabricated and Portable Buildings; 6115 Generators and Generator Sets, Electrical; and 5450 Miscellaneous Prefabricated Structures.
Where is the work under NAICS 33231 performed?
By place of performance, the states with the most contract obligations under NAICS 33231 over the last 12 months are Arizona ($57,215,255), Minnesota ($45,791,323) and Maryland ($27,363,943).
What is the latest contract opportunity under NAICS 33231?
The latest contract opportunity under NAICS 33231 is USS PINCKNEY (DDG-91) Helo Hanger Door Replacement Parts, pre-solicitation from Naval Sea Systems Command (Navy), posted November 12, 2026.
On GovTribe
See everything under NAICS 33231
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