PSC Y1: Construction of Buildings
Service group
Code facts
- Part of
-
- Y
- Codes under it
- 114
- Contract awards
- 3,659 In the last 12 months
- Contract obligations
- $30,503,428,739 In FY2025
PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $195,737,656 |
| FY2026 | $59,432,055,543 |
| FY2025 | $30,503,428,739 |
| FY2024 | $31,352,511,243 |
| FY2023 | $32,162,966,534 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Fisher Sand & Gravel Co | $13,008,087,940 | |
| 2 | Barnard Construction Company, Incorporated | $4,787,421,125 | |
| 3 | Southwest Valley Constructors Co | $2,693,680,542 | |
| 4 | SLS Federal Services LLC | $2,379,101,008 | |
| 5 | Spencer Construction LLC | $2,361,541,184 | |
| 6 | Thalle Construction Co Inc. | $1,918,171,584 | |
| 7 | Bechtel National, Inc. | $1,190,437,920 | |
| 8 | Ferrovial Construccion PR, LLC | $1,078,992,000 | |
| 9 | BL Harbert International LLC | $1,058,647,116 | |
| 10 | Clark Construction Group LLC | $937,593,972 |
See the full FY2025 ranking of PSC Y1 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Homeland Security | $31,718,272,347 | |
| 2 | Department of the Army | $11,625,940,979 | |
| 3 | Department of the Navy | $4,290,457,575 | |
| 4 | Department of Veterans Affairs | $2,040,583,480 | |
| 5 | Department of Transportation | $1,938,395,109 | |
| 6 | Department of Energy | $1,253,810,693 | |
| 7 | General Services Administration | $1,239,745,112 | |
| 8 | Department of Health and Human Services | $1,207,073,945 | |
| 9 | Department of the Interior | $1,187,291,931 | |
| 10 | Department of State | $778,948,551 |
Top NAICS codes by obligations
| Rank | NAICS code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 236220 Commercial and Institutional Building Construction | $44,439,130,024 | |
| 2 | 237990 Other Heavy and Civil Engineering Construction | $7,762,494,481 | |
| 3 | 237310 Highway, Street, and Bridge Construction | $1,374,242,249 | |
| 4 | 237110 Water and Sewer Line and Related Structures Construction | $1,173,488,590 | |
| 5 | 237130 Power and Communication Line and Related Structures Construction | $600,506,702 | |
| 6 | 336611 Ship Building and Repairing | $508,144,770 | |
| 7 | 541512 Computer Systems Design Services | $431,236,938 | |
| 8 | 236210 Industrial Building Construction | $424,365,157 | |
| 9 | 238990 All Other Specialty Trade Contractors | $365,288,413 | |
| 10 | 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | $290,916,445 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Texas | $19,200,837,910 | |
| 2 | Arizona | $6,571,269,564 | |
| 3 | California | $5,278,101,277 | |
| 4 | Florida | $3,613,596,785 | |
| 5 | New Mexico | $2,759,909,525 | |
| 6 | Washington | $2,263,463,347 | |
| 7 | Alaska | $1,376,317,133 | |
| 8 | Puerto Rico | $1,225,342,304 | |
| 9 | Virginia | $1,202,231,574 | |
| 10 | Guam | $1,089,782,568 | |
| 11 | Georgia | $1,084,744,917 | |
| 12 | Alabama | $1,049,719,031 | |
| 13 | Maryland | $1,034,007,818 | |
| 14 | South Carolina | $887,435,757 | |
| 15 | Louisiana | $821,438,077 | |
| 16 | North Carolina | $624,904,393 | |
| 17 | Hawaii | $580,138,285 | |
| 18 | New Jersey | $575,495,142 | |
| 19 | Kentucky | $569,222,689 | |
| 20 | District of Columbia | $374,100,603 | |
| 21 | Colorado | $353,852,886 | |
| 22 | Ohio | $328,781,722 | |
| 23 | Wyoming | $327,887,977 | |
| 24 | Missouri | $309,763,966 | |
| 25 | New York | $301,167,137 | |
| 26 | Mississippi | $297,861,652 | |
| 27 | Arkansas | $288,349,078 | |
| 28 | South Dakota | $269,507,564 | |
| 29 | Tennessee | $252,209,736 | |
| 30 | Illinois | $244,749,753 | |
| 31 | Pennsylvania | $242,556,870 | |
| 32 | Montana | $238,522,926 | |
| 33 | Oklahoma | $236,521,093 | |
| 34 | Oregon | $201,786,682 | |
| 35 | Michigan | $193,858,755 | |
| 36 | Idaho | $192,896,387 | |
| 37 | Massachusetts | $176,271,506 | |
| 38 | Minnesota | $166,460,987 | |
| 39 | Wisconsin | $161,644,877 | |
| 40 | Maine | $149,660,693 | |
| 41 | North Dakota | $142,710,968 | |
| 42 | West Virginia | $114,845,400 | |
| 43 | Nevada | $87,283,045 | |
| 44 | Nebraska | $86,873,145 | |
| 45 | Utah | $64,952,952 | |
| 46 | Connecticut | $61,544,130 | |
| 47 | Iowa | $52,403,871 | |
| 48 | Northern Mariana Islands | $36,883,117 | |
| 49 | Rhode Island | $28,637,510 | |
| 50 | Indiana | $26,824,179 | |
| 51 | Kansas | $23,237,215 | |
| 52 | Delaware | $19,217,765 | |
| 53 | New Hampshire | $5,125,638 | |
| 54 | U.S. Virgin Islands | $1,700,868 | |
| 55 | Vermont | $1,070,551 |
Show all 55
Shares are of everything obligated under PSC Y1 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 38,258 listed here. See the rest on GovTribe.
Codes under Y1
Show all 114
Quick answers
What is PSC Y1?
PSC Y1 is Construction of Buildings, a service group in PSC Y, Construction of Structures/
What codes are under PSC Y1?
PSC Y1 has 114 codes under it with their own GovTribe pages, including Y111 Construction of Office Buildings, Y112 Construction of Conference Space and Facilities and Y119 Construction of Other Administrative Facilities and Service Buildings.
How much do federal agencies spend under PSC Y1?
Federal contracts under PSC Y1 obligated $30,503,428,739 in fiscal year 2025 and $153,646,699,716 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC Y1?
The contractors with the most obligated under PSC Y1 in fiscal years 2026 and 2027 are Fisher Sand & Gravel Co ($13,008,087,940); Barnard Construction Company, Incorporated ($4,787,421,125); and Southwest Valley Constructors Co ($2,693,680,542).
Which agencies buy the most under PSC Y1?
The agencies that obligated the most under PSC Y1 in fiscal years 2026 and 2027 are Department of Homeland Security ($31,718,272,347), Department of the Army ($11,625,940,979) and Department of the Navy ($4,290,457,575).
Which NAICS codes are used with PSC Y1?
The NAICS codes with the most obligated under PSC Y1 in fiscal years 2026 and 2027 are 236220 Commercial and Institutional Building Construction; 237990 Other Heavy and Civil Engineering Construction; and 237310 Highway, Street, and Bridge Construction.
Where is the work under PSC Y1 performed?
By place of performance, the states with the most contract obligations under PSC Y1 over the last 12 months are Texas ($19,200,837,910), Arizona ($6,571,269,564) and California ($5,278,101,277).
What is the latest contract opportunity under PSC Y1?
The latest contract opportunity under PSC Y1 is Market Intelligence - Progressive Design-Build - Blood Donation Center, special notice from ENDIST Mobile (USACE), posted October 23, 2026.
On GovTribe
See everything under PSC Y1
- Federal contract opportunities, awards and IDVs under this code
- Funding analysis by contractor, agency and set-aside
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