NAICS 236: Construction of Buildings
Subsector
Code facts
- Part of
-
- 23
- Codes under it
- 2
- Contract awards
- 7,956 In the last 12 months
- Contract obligations
- $32,059,899,176 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 | $210,524,703 |
| FY2026 | $53,870,491,323 |
| FY2025 | $32,059,899,176 |
| FY2024 | $32,928,649,524 |
| FY2023 | $34,767,670,213 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Fisher Sand & Gravel Co | $13,353,127,940 | |
| 2 | Barnard Construction Company, Incorporated | $4,782,911,153 | |
| 3 | Southwest Valley Constructors Co | $2,679,400,696 | |
| 4 | SLS Federal Services LLC | $2,379,101,008 | |
| 5 | Spencer Construction LLC | $2,361,541,184 | |
| 6 | BL Harbert International LLC | $1,082,106,755 | |
| 7 | The Whiting-Turner Contracting Company | $1,050,977,204 | |
| 8 | Clark Construction Group LLC | $957,671,400 | |
| 9 | M.a. Mortenson Company | $919,321,347 | |
| 10 | Walsh Federal LLC | $911,867,157 |
See the full FY2025 ranking of NAICS 236 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Homeland Security | $31,837,227,096 | |
| 2 | Department of the Army | $5,234,817,808 | |
| 3 | Department of the Navy | $4,786,438,434 | |
| 4 | Department of Veterans Affairs | $3,570,969,214 | |
| 5 | General Services Administration | $1,652,842,899 | |
| 6 | Air Force | $1,432,556,374 | |
| 7 | Department of Health and Human Services | $1,345,792,869 | |
| 8 | National Aeronautics and Space Administration | $831,830,383 | |
| 9 | Department of State | $752,174,117 | |
| 10 | Department of Transportation | $646,886,202 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Y1PZ Construction of Other Non-Building Facilities | $21,837,784,690 | |
| 2 | Y1LB Construction of Highways, Roads, Streets, Bridges, and Railways | $5,019,757,333 | |
| 3 | Y1JZ Construction of Miscellaneous Buildings | $4,621,062,956 | |
| 4 | Y1AZ Construction of Other Administrative Facilities and Service Buildings | $3,131,252,118 | |
| 5 | Y1DB Construction of Laboratories and Clinics | $1,510,088,310 | |
| 6 | Z2JZ Repair or Alteration of Miscellaneous Buildings | $1,428,781,241 | |
| 7 | Y1AA Construction of Office Buildings | $1,204,726,998 | |
| 8 | Z2AA Repair or Alteration of Office Buildings | $1,107,932,769 | |
| 9 | Y1DA Construction of Hospitals and Infirmaries | $1,062,650,933 | |
| 10 | Z2DA Repair or Alteration of Hospitals and Infirmaries | $929,142,046 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Texas | $19,304,180,885 | |
| 2 | Arizona | $6,671,819,038 | |
| 3 | California | $4,843,287,762 | |
| 4 | New Mexico | $2,521,380,309 | |
| 5 | Alaska | $1,349,929,072 | |
| 6 | Maryland | $1,312,049,482 | |
| 7 | Florida | $1,182,739,308 | |
| 8 | Virginia | $1,165,712,936 | |
| 9 | Guam | $1,131,167,087 | |
| 10 | Georgia | $1,095,555,271 | |
| 11 | Alabama | $1,076,626,385 | |
| 12 | South Carolina | $921,761,072 | |
| 13 | Washington | $691,465,687 | |
| 14 | North Carolina | $685,161,394 | |
| 15 | District of Columbia | $578,206,268 | |
| 16 | New Jersey | $547,698,122 | |
| 17 | Hawaii | $526,348,144 | |
| 18 | New York | $480,427,186 | |
| 19 | Massachusetts | $379,640,941 | |
| 20 | Colorado | $349,878,760 | |
| 21 | Utah | $343,382,451 | |
| 22 | Ohio | $313,819,474 | |
| 23 | Oklahoma | $305,451,387 | |
| 24 | Pennsylvania | $264,708,740 | |
| 25 | Arkansas | $262,443,163 | |
| 26 | South Dakota | $261,007,678 | |
| 27 | Tennessee | $255,310,834 | |
| 28 | Missouri | $231,195,707 | |
| 29 | Kentucky | $223,014,963 | |
| 30 | Mississippi | $212,156,539 | |
| 31 | Louisiana | $210,122,949 | |
| 32 | Puerto Rico | $191,832,813 | |
| 33 | Wisconsin | $179,413,057 | |
| 34 | West Virginia | $171,231,718 | |
| 35 | Idaho | $165,779,928 | |
| 36 | Montana | $158,633,734 | |
| 37 | North Dakota | $151,761,448 | |
| 38 | Minnesota | $148,685,132 | |
| 39 | Illinois | $143,139,733 | |
| 40 | Connecticut | $136,909,949 | |
| 41 | Oregon | $125,663,017 | |
| 42 | Michigan | $117,882,706 | |
| 43 | Maine | $109,355,255 | |
| 44 | Wyoming | $96,367,121 | |
| 45 | Northern Mariana Islands | $69,478,949 | |
| 46 | Kansas | $61,897,854 | |
| 47 | Rhode Island | $58,188,586 | |
| 48 | Nevada | $56,049,802 | |
| 49 | Nebraska | $50,007,126 | |
| 50 | Indiana | $44,142,941 | |
| 51 | Delaware | $25,375,287 | |
| 52 | U.S. Virgin Islands | $20,562,314 | |
| 53 | Vermont | $18,156,690 | |
| 54 | New Hampshire | $11,252,764 | |
| 55 | Iowa | $7,352,802 | |
| 56 | American Samoa | $236,443 |
Show all 56
Shares are of everything obligated under NAICS 236 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 84,725 listed here. See the rest on GovTribe.
Codes under 236
Definition
The Construction of Buildings subsector comprises establishments primarily responsible for the construction of buildings. The work performed may include new work, additions, alterations, or maintenance and repairs. The on-site assembly of precut, panelized, and prefabricated buildings and construction of temporary buildings are included in this subsector. Part or all of the production work for which the establishments in this subsector have responsibility may be subcontracted to other construction establishments--usually specialty trade contractors.
Establishments in this subsector are classified based on the types of buildings they construct. This classification reflects variations in the requirements of the underlying production processes.
Quick answers
What is NAICS 236?
NAICS 236 is Construction of Buildings, a subsector in NAICS 23, Construction.
What codes are under NAICS 236?
NAICS 236 has 2 codes under it with their own GovTribe pages: 2361 Residential Building Construction and 2362 Nonresidential Building Construction.
How much do federal agencies spend under NAICS 236?
Federal contracts under NAICS 236 obligated $32,059,899,176 in fiscal year 2025 and $153,837,234,938 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 236?
The contractors with the most obligated under NAICS 236 in fiscal years 2026 and 2027 are Fisher Sand & Gravel Co ($13,353,127,940); Barnard Construction Company, Incorporated ($4,782,911,153); and Southwest Valley Constructors Co ($2,679,400,696).
Which agencies buy the most under NAICS 236?
The agencies that obligated the most under NAICS 236 in fiscal years 2026 and 2027 are Department of Homeland Security ($31,837,227,096), Department of the Army ($5,234,817,808) and Department of the Navy ($4,786,438,434).
Which PSC codes are used with NAICS 236?
The PSC codes with the most obligated under NAICS 236 in fiscal years 2026 and 2027 are Y1PZ Construction of Other Non-Building Facilities; Y1LB Construction of Highways, Roads, Streets, Bridges, and Railways; and Y1JZ Construction of Miscellaneous Buildings.
Where is the work under NAICS 236 performed?
By place of performance, the states with the most contract obligations under NAICS 236 over the last 12 months are Texas ($19,304,180,885), Arizona ($6,671,819,038) and California ($4,843,287,762).
What is the latest contract opportunity under NAICS 236?
The latest contract opportunity under NAICS 236 is USBC Tenant Improvement Services, Reno, NV, pre-solicitation, posted October 22, 2026.
On GovTribe
See everything under NAICS 236
- Federal contract opportunities, awards and IDVs under this code
- Funding analysis by contractor, agency and set-aside
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