NAICS 23621: Industrial Building Construction
NAICS industry
Code facts
- Part of
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23
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236
- 2362
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236
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23
- Codes under it
- 1
- Contract awards
- 471 In the last 12 months
- Contract obligations
- $1,176,791,752 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 | $23,279,150 |
| FY2026 | $912,653,241 |
| FY2025 | $1,176,791,752 |
| FY2024 | $1,533,349,402 |
| FY2023 | $1,107,024,946 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Bechtel National, Inc. | $191,500,000 | |
| 2 | Healtheon, Inc. | $110,455,738 | |
| 3 | Seqirus Inc. | $80,769,000 | |
| 4 | Dragados Sociedad Anonima | $79,678,985 | |
| 5 | CCI Prime Contractors, LLC | $66,041,559 | |
| 6 | Hitt Contracting, Inc. | $53,159,936 | |
| 7 | Advon Corporation | $35,518,583 | |
| 8 | Sauer Construction, LLC | $33,508,796 | |
| 9 | A & H-Ambica JV LLC | $31,473,384 | |
| 10 | Ross Group Construction Corporation, LLC | $30,899,702 |
See the full FY2025 ranking of NAICS 23621 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | National Aeronautics and Space Administration | $601,239,531 | |
| 2 | Department of the Navy | $108,316,759 | |
| 3 | Department of Health and Human Services | $99,195,249 | |
| 4 | Department of the Army | $98,286,652 | |
| 5 | Air Force | $16,404,574 | |
| 6 | Department of the Treasury | $10,291,897 | |
| 7 | Department of Justice | $10,230,543 | |
| 8 | Department of State | $3,598,611 | |
| 9 | Department of Homeland Security | $1,619,019 | |
| 10 | Department of Agriculture | $1,386,545 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | AR15 Space R&D Services; Space Flight, Research & Supporting Activities; R&D Facilities & Major Equipment | $191,500,000 | |
| 2 | Y1EZ Construction of Other Industrial Buildings | $137,704,780 | |
| 3 | Y1JZ Construction of Miscellaneous Buildings | $108,416,458 | |
| 4 | Z2MZ Repair or Alteration of Electric Power Generation Facilities – Other, Including Transmission | $82,412,784 | |
| 5 | AD61 R&D – Defense Other: Construction (Basic Research) | $80,769,000 | |
| 6 | Y1EA Construction of Ammunition Facilities | $80,005,991 | |
| 7 | Z1QA Maintenance of Restoration of Real Property (Public or Private) | $63,898,623 | |
| 8 | Y1NZ Construction of Other Utilities | $43,040,381 | |
| 9 | Y1HB Construction of Government-Owned Government-Operated (Gogo) R&D Facilities | $25,725,508 | |
| 10 | Y1EB Construction of Maintenance Buildings | $18,230,936 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Virginia | $187,759,699 | |
| 2 | Florida | $153,298,814 | |
| 3 | Mississippi | $116,646,988 | |
| 4 | Texas | $114,681,376 | |
| 5 | Alabama | $83,727,613 | |
| 6 | Massachusetts | $81,504,604 | |
| 7 | Utah | $18,011,703 | |
| 8 | Ohio | $11,281,431 | |
| 9 | Indiana | $10,280,821 | |
| 10 | Colorado | $8,636,247 | |
| 11 | California | $8,033,157 | |
| 12 | Maine | $7,591,724 | |
| 13 | Alaska | $6,787,522 | |
| 14 | Oklahoma | $5,233,895 | |
| 15 | Louisiana | $3,741,043 | |
| 16 | New York | $3,054,842 | |
| 17 | South Carolina | $2,827,361 | |
| 18 | Georgia | $2,361,977 | |
| 19 | Guam | $2,114,415 | |
| 20 | Maryland | $2,033,959 | |
| 21 | Idaho | $1,371,636 | |
| 22 | Hawaii | $867,380 | |
| 23 | Kansas | $804,543 | |
| 24 | North Carolina | $533,395 | |
| 25 | Arizona | $504,680 | |
| 26 | Pennsylvania | $315,881 | |
| 27 | Tennessee | $288,862 | |
| 28 | Kentucky | $285,725 | |
| 29 | Oregon | $265,999 | |
| 30 | Wyoming | $228,299 | |
| 31 | Nevada | $88,383 | |
| 32 | Montana | $44,640 | |
| 33 | Vermont | $22,960 | |
| 34 | New Hampshire | $18,371 |
Show all 34
Shares are of everything obligated under NAICS 23621 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 3,970 listed here. See the rest on GovTribe.
Codes under 23621
| NAICS code | Size standard |
|---|---|
| 236210 Industrial Building Construction | $45 million in average annual receipts |
Definition
This industry comprises establishments primarily responsible for the construction (including new work, additions, alterations, maintenance, and repairs) of industrial buildings (except warehouses). The construction of selected additional structures, whose production processes are similar to those for industrial buildings (e.g., incinerators, cement plants, blast furnaces, and similar nonbuilding structures), is included in this industry.
Included in this industry are industrial building general contractors, industrial building for-sale builders, industrial building design-build firms, and industrial building construction management firms.
Illustrative examples
- Acid plant construction
- Addition, alteration and renovation for-sale builders, industrial building (except warehouses)
- Addition, alteration and renovation, general contractors, industrial building (except warehouses)
- Addition, alteration and renovation, industrial building (except warehouses)
- Aluminum plant construction
- Ammonium plant construction
- Assembly plant construction
- Blast furnace construction
- Cannery construction
- Cement plant construction
- Chemical (except petrochemical process type) plant construction
- Clean room construction
- Construction management, industrial building (except warehouses)
- Factory construction
- Fish processing plant construction
- Food processing plant construction
- For-sale builders (i.e., building on own land, for sale), industrial building (except warehouses)
- Foundry construction
- Furnace (i.e., industrial plant structure) construction
- Garbage disposal plant construction
- Incinerator, mass-burn type, construction
- Incinerator, municipal waste disposal, construction
- Industrial building (except warehouses) construction
- Industrial building (except warehouses) construction, for-sale builders
- Industrial building (except warehouses) construction, general contractors
- Kiln construction
- Manufacturing building construction
- Materials recovery facility construction
- Metal processing plant construction
- Mine loading and discharging station construction
- Motor vehicle assembly plant construction
- Ore and metal refinery construction
- Oven, industrial plant, construction
- Paper or pulp mill construction
- Pharmaceutical manufacturing plant construction
- Prefabricated industrial building (except warehouses) erection
- Printing plant construction
- Refuse disposal plant construction
- Smelter construction
- Speculative builders (i.e., building on own land, for sale), industrial building (except warehouses)
- Steel mill construction
- Textile mill construction
- Tipple, mining, construction
- Washery, mining, construction
- Waste disposal plant (except sewage treatment) construction
Show all 45
Quick answers
What is NAICS 23621?
NAICS 23621 is Industrial Building Construction, a NAICS industry in NAICS 23, Construction.
What is the NAICS code for kiln construction?
The NAICS code for kiln construction is 236210, Industrial Building Construction. Its SBA small business size standard is $45 million in average annual receipts.
What is the NAICS code for cannery construction?
The NAICS code for cannery construction is 236210, Industrial Building Construction. Its SBA small business size standard is $45 million in average annual receipts.
What is the NAICS code for factory construction?
The NAICS code for factory construction is 236210, Industrial Building Construction. Its SBA small business size standard is $45 million in average annual receipts.
What codes are under NAICS 23621?
NAICS 23621 has one code under it with its own GovTribe page, 236210 Industrial Building Construction.
How much do federal agencies spend under NAICS 23621?
Federal contracts under NAICS 23621 obligated $1,176,791,752 in fiscal year 2025 and $4,753,098,491 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 23621?
The contractors with the most obligated under NAICS 23621 in fiscal years 2026 and 2027 are Bechtel National, Inc. ($191,500,000); Healtheon, Inc. ($110,455,738); and Seqirus Inc. ($80,769,000).
Which agencies buy the most under NAICS 23621?
The agencies that obligated the most under NAICS 23621 in fiscal years 2026 and 2027 are National Aeronautics and Space Administration ($601,239,531), Department of the Navy ($108,316,759) and Department of Health and Human Services ($99,195,249).
Which PSC codes are used with NAICS 23621?
The PSC codes with the most obligated under NAICS 23621 in fiscal years 2026 and 2027 are AR15 Space R&D Services; Space Flight, Research & Supporting Activities; R&D Facilities & Major Equipment; Y1EZ Construction of Other Industrial Buildings; and Y1JZ Construction of Miscellaneous Buildings.
Where is the work under NAICS 23621 performed?
By place of performance, the states with the most contract obligations under NAICS 23621 over the last 12 months are Virginia ($187,759,699), Florida ($153,298,814) and Mississippi ($116,646,988).
What is the latest contract opportunity under NAICS 23621?
The latest contract opportunity under NAICS 23621 is F-35 Composite Repair and Training Facility / F-35 Maintenance Facility, Hill Air Force Base, Utah, special notice from ENDIST Sacramento (USACE), posted October 21, 2026.
On GovTribe
See everything under NAICS 23621
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