NAICS 3251: Basic Chemical Manufacturing
Industry group
Code facts
- Part of
-
-
31-33
- 325
-
31-33
- Codes under it
- 12
- Contract awards
- 3,712 In the last 12 months
- Contract obligations
- $677,141,231 In FY2025
NAICS codes and definitions come from the U.S. Census Bureau and contract spending from SAM.gov/FPDS.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $2,014,221 |
| FY2026 | $3,369,422,470 |
| FY2025 | $677,141,231 |
| FY2024 | $558,310,111 |
| FY2023 | $667,016,055 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | American Centrifuge Operating, LLC | $900,000,000 | |
| 2 | General Matter, Inc. | $899,895,255 | |
| 3 | Orano Federal Services LLC | $899,781,011 | |
| 4 | Nuclear Fuel Services Inc. | $126,302,463 | |
| 5 | Air Products And Chemicals, Inc. | $88,082,581 | |
| 6 | Bwxt Ordnance Tennessee, Inc. | $84,500,000 | |
| 7 | Largo Resources USA Inc. | $60,083,064 | |
| 8 | Rgas LLC | $38,800,192 | |
| 9 | Hudson Technologies Company | $22,238,758 | |
| 10 | U.s. Vanadium LLC | $20,079,740 |
See the full FY2025 ranking of NAICS 3251 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Energy | $2,941,534,188 | |
| 2 | Defense Logistics Agency | $195,549,244 | |
| 3 | National Aeronautics and Space Administration | $129,463,243 | |
| 4 | Department of the Army | $32,542,243 | |
| 5 | Department of Veterans Affairs | $23,651,480 | |
| 6 | Department of the Navy | $18,094,462 | |
| 7 | Department of Health and Human Services | $6,971,470 | |
| 8 | Defense Health Agency | $5,939,254 | |
| 9 | Air Force | $4,301,065 | |
| 10 | Department of the Interior | $3,553,986 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 6850 Miscellaneous Chemical Specialties | $2,700,433,676 | |
| 2 | F999 Other Environmental Services, Studies, and Analytical Support | $230,864,674 | |
| 3 | 6830 Gases: Compressed and Liquefied | $113,464,652 | |
| 4 | 9135 Liquid Propellant Fuels and Oxidizers, Chemical Base | $107,645,852 | |
| 5 | 9620 Minerals, Natural and Synthetic | $83,343,624 | |
| 6 | 6810 Chemicals | $37,826,809 | |
| 7 | R499 Other Professional Services | $19,571,948 | |
| 8 | J091 Maintenance, Repair and Rebuilding of Equipment: Fuels, Lubricants, Oils, and Waxes | $17,073,621 | |
| 9 | 6835 Medical Gases | $15,240,070 | |
| 10 | 9130 Liquid Propellants and Fuels, Petroleum Base | $14,423,016 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Maryland | $1,806,991,525 | |
| 2 | California | $920,178,961 | |
| 3 | Tennessee | $211,619,114 | |
| 4 | Virginia | $82,320,975 | |
| 5 | Florida | $61,453,637 | |
| 6 | Texas | $57,143,105 | |
| 7 | Mississippi | $49,854,008 | |
| 8 | New Jersey | $31,606,753 | |
| 9 | Pennsylvania | $21,064,376 | |
| 10 | Arkansas | $20,279,759 | |
| 11 | Illinois | $14,843,517 | |
| 12 | Louisiana | $9,441,872 | |
| 13 | District of Columbia | $8,635,996 | |
| 14 | North Carolina | $6,891,891 | |
| 15 | Oklahoma | $6,643,045 | |
| 16 | Connecticut | $5,561,910 | |
| 17 | Georgia | $5,156,980 | |
| 18 | New York | $4,613,164 | |
| 19 | Kentucky | $3,333,748 | |
| 20 | South Carolina | $3,287,624 | |
| 21 | Hawaii | $2,568,929 | |
| 22 | Iowa | $2,489,656 | |
| 23 | Arizona | $2,048,963 | |
| 24 | Colorado | $1,807,479 | |
| 25 | Massachusetts | $1,452,099 | |
| 26 | Missouri | $1,392,223 | |
| 27 | New Mexico | $1,281,791 | |
| 28 | South Dakota | $1,201,570 | |
| 29 | Washington | $1,030,337 | |
| 30 | Utah | $833,811 | |
| 31 | Guam | $794,775 | |
| 32 | Nebraska | $736,861 | |
| 33 | Montana | $602,329 | |
| 34 | Wisconsin | $571,857 | |
| 35 | Michigan | $482,534 | |
| 36 | Indiana | $455,639 | |
| 37 | Puerto Rico | $429,244 | |
| 38 | Maine | $405,877 | |
| 39 | Kansas | $371,320 | |
| 40 | Alaska | $352,497 | |
| 41 | Oregon | $290,734 | |
| 42 | North Dakota | $284,398 | |
| 43 | Alabama | $256,564 | |
| 44 | Nevada | $215,527 | |
| 45 | New Hampshire | $193,864 | |
| 46 | Minnesota | $178,074 | |
| 47 | Rhode Island | $138,546 | |
| 48 | West Virginia | $40,257 | |
| 49 | Idaho | $36,623 | |
| 50 | Wyoming | $15,760 |
Show all 50
Shares are of everything obligated under NAICS 3251 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 10,682 listed here. See the rest on GovTribe.
Codes under 3251
Show all 12
Definition
This industry group comprises establishments primarily engaged in manufacturing chemicals using basic processes, such as thermal cracking and distillation. Chemicals manufactured in this industry group are usually separate chemical elements or separate chemically-defined compounds.
Quick answers
What is NAICS 3251?
NAICS 3251 is Basic Chemical Manufacturing, an industry group in NAICS 31-33, Manufacturing.
What codes are under NAICS 3251?
NAICS 3251 has 12 codes under it with their own GovTribe pages, including 32511 Petrochemical Manufacturing, 32512 Industrial Gas Manufacturing and 32513 Synthetic Dye and Pigment Manufacturing.
How much do federal agencies spend under NAICS 3251?
Federal contracts under NAICS 3251 obligated $677,141,231 in fiscal year 2025 and $5,273,904,088 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 3251?
The contractors with the most obligated under NAICS 3251 in fiscal years 2026 and 2027 are American Centrifuge Operating, LLC ($900,000,000); General Matter, Inc. ($899,895,255); and Orano Federal Services LLC ($899,781,011).
Which agencies buy the most under NAICS 3251?
The agencies that obligated the most under NAICS 3251 in fiscal years 2026 and 2027 are Department of Energy ($2,941,534,188), Defense Logistics Agency ($195,549,244) and National Aeronautics and Space Administration ($129,463,243).
Which PSC codes are used with NAICS 3251?
The PSC codes with the most obligated under NAICS 3251 in fiscal years 2026 and 2027 are 6850 Miscellaneous Chemical Specialties; F999 Other Environmental Services, Studies, and Analytical Support; and 6830 Gases: Compressed and Liquefied.
Where is the work under NAICS 3251 performed?
By place of performance, the states with the most contract obligations under NAICS 3251 over the last 12 months are Maryland ($1,806,991,525), California ($920,178,961) and Tennessee ($211,619,114).
What is the latest contract opportunity under NAICS 3251?
The latest contract opportunity under NAICS 3251 is Notice of Intent to Sole Source: Commercial Industrial and Liquid Gases and Cylinder Maintenance, pre-solicitation from Department of the Army, posted October 22, 2026.
On GovTribe
See everything under NAICS 3251
- Federal contract opportunities, awards and IDVs under this code
- Funding analysis by contractor, agency and set-aside
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