Architect-Engineering Services – Construction Government Contracts
PSC C1 Service group
Code facts
- Part of
-
- C
- Codes under it
- 88
- Contract obligations
- $1,708,766,865 In FY2025
PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.
Market summary
Top buying agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Veterans Affairs | $426,260,704 | |
| 2 | Department of Transportation | $409,477,974 | |
| 3 | Department of the Army | $275,045,251 | |
| 4 | Department of the Navy | $133,736,374 | |
| 5 | Air Force | $74,799,783 | |
| 6 | General Services Administration | $44,794,443 | |
| 7 | Department of State | $43,046,662 | |
| 8 | Department of Health and Human Services | $40,813,136 | |
| 9 | Smithsonian Institution | $35,390,388 | |
| 10 | Department of Justice | $30,265,003 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Ptsi Managed Services Inc. | $323,205,170 | |
| 2 | Gmhill Baker JV, LLC | $60,154,044 | |
| 3 | RWE Clean Energy Solutions, Inc. | $43,058,139 | |
| 4 | Tls-Ces Services I, LLC | $40,022,453 | |
| 5 | AECOM + Tetra TECH Joint Venture | $37,759,484 | |
| 6 | Noresco, LLC | $30,997,441 | |
| 7 | Black & Veatch-Jacobs JV | $25,237,440 | |
| 8 | AECOM Technical Services, Inc. | $22,037,982 | |
| 9 | Jacobs Engineering Group Inc. | $21,136,802 | |
| 10 | BL Harbert International LLC | $18,858,018 |
See the full FY2025 ranking of PSC C1 contractors, by parent company.
Open contract opportunities
Show all 21
Recent contract awards
| Award | Awarded | Obligated |
|---|---|---|
| AE sidewalks | $309,205 | |
| 523-26-103 neuroscience research renovation a/E - type a, B C(optional) associated with installing a minimum of… | $417,089 | |
| Exercise option period. | $1,069,159 | |
| CLC DOM AE | $800,405 | |
| A & E geotechnical boring | $59,352 | |
| 515-26-101 - renovate CLC B84 design | $190,366 | |
| 10E and 11E | $887,597 | |
| CA FW CLS 10(1) colusa NWR auto tour route preliminary design for road construction | $187,950 | |
| 402-26-003 install auto switch - chiller plant (AE) | $76,626 | |
| CA FW SNP 100(1) SAN pablo BAY NWR disaster supplemental - preliminary engineering | $266,974 |
Latest 10 of 1,412 awarded in the last 12 months listed here. See the rest on GovTribe.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $7,265,491 |
| FY2026 | $1,659,386,918 |
| FY2025 | $1,708,766,865 |
| FY2024 | $2,835,184,908 |
| FY2023 | $2,911,948,406 |
Top NAICS codes by obligations
| Rank | NAICS code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 541330 Engineering Services | $946,878,343 | |
| 2 | 541990 All Other Professional, Scientific, and Technical Services | $323,247,405 | |
| 3 | 541310 Architectural Services | $167,530,048 | |
| 4 | 236220 Commercial and Institutional Building Construction | $144,088,687 | |
| 5 | 237990 Other Heavy and Civil Engineering Construction | $22,394,063 | |
| 6 | 541370 Surveying and Mapping (except Geophysical) Services | $16,858,904 | |
| 7 | 237310 Highway, Street, and Bridge Construction | $12,777,519 | |
| 8 | 541611 Administrative Management and General Management Consulting Services | $3,479,480 | |
| 9 | 541690 Other Scientific and Technical Consulting Services | $2,977,253 | |
| 10 | 561210 Facilities Support Services | $2,728,347 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | District of Columbia | $366,613,219 | |
| 2 | Virginia | $81,768,033 | |
| 3 | California | $81,581,525 | |
| 4 | Alabama | $81,578,500 | |
| 5 | North Carolina | $63,938,730 | |
| 6 | Guam | $57,413,475 | |
| 7 | Texas | $51,571,145 | |
| 8 | Illinois | $47,158,564 | |
| 9 | New York | $42,317,443 | |
| 10 | Arkansas | $40,400,324 | |
| 11 | Washington | $38,131,189 | |
| 12 | Georgia | $35,708,192 | |
| 13 | Oklahoma | $34,411,671 | |
| 14 | Florida | $33,034,850 | |
| 15 | Wyoming | $31,241,500 | |
| 16 | Massachusetts | $29,510,564 | |
| 17 | Colorado | $25,687,970 | |
| 18 | Alaska | $24,378,337 | |
| 19 | Tennessee | $23,510,983 | |
| 20 | Maryland | $22,189,413 | |
| 21 | Oregon | $17,818,161 | |
| 22 | Nevada | $17,572,023 | |
| 23 | Arizona | $17,455,238 | |
| 24 | Hawaii | $14,593,313 | |
| 25 | Kansas | $13,826,856 | |
| 26 | Wisconsin | $12,115,155 | |
| 27 | Pennsylvania | $11,251,341 | |
| 28 | West Virginia | $11,163,989 | |
| 29 | Missouri | $11,108,896 | |
| 30 | New Mexico | $10,497,912 | |
| 31 | Ohio | $9,974,043 | |
| 32 | Montana | $9,095,174 | |
| 33 | Minnesota | $9,001,693 | |
| 34 | Michigan | $8,869,297 | |
| 35 | Louisiana | $8,219,686 | |
| 36 | Puerto Rico | $7,423,606 | |
| 37 | Mississippi | $6,989,103 | |
| 38 | Indiana | $6,868,952 | |
| 39 | Iowa | $5,668,975 | |
| 40 | Connecticut | $5,361,039 | |
| 41 | Nebraska | $5,095,710 | |
| 42 | South Dakota | $4,766,680 | |
| 43 | New Jersey | $4,380,724 | |
| 44 | Kentucky | $3,948,427 | |
| 45 | Maine | $3,796,285 | |
| 46 | Delaware | $3,725,167 | |
| 47 | Idaho | $3,607,252 | |
| 48 | Northern Mariana Islands | $3,133,643 | |
| 49 | South Carolina | $3,037,443 | |
| 50 | Rhode Island | $2,928,604 | |
| 51 | North Dakota | $2,809,042 | |
| 52 | Utah | $1,574,760 | |
| 53 | New Hampshire | $1,554,420 | |
| 54 | Vermont | $1,356,060 | |
| 55 | U.S. Virgin Islands | $813,469 |
Show all 55
Shares are of everything obligated under PSC C1 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Codes under C1
Show all 88
Quick answers
What is PSC C1?
PSC C1 is Architect-Engineering Services – Construction, a service group in PSC C, Architect/
How many government contracts for architect-engineering services – construction are there?
21 contract opportunities under PSC C1 are open now, and 131 notices were posted in the last 90 days. Federal agencies awarded 1,412 contracts under PSC C1 in the last 12 months, obligating $1,616,646,675.
What codes are under PSC C1?
PSC C1 has 88 codes under it with their own GovTribe pages, including C111 Administrative and Service Buildings; C112 Airfield, Communication and Missile Facilities; and C113 Educational Buildings.
How much do federal agencies spend under PSC C1?
Federal contracts under PSC C1 obligated $1,708,766,865 in fiscal year 2025 and $9,122,552,590 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC C1?
The contractors with the most obligated under PSC C1 in fiscal years 2026 and 2027 are Ptsi Managed Services Inc. ($323,205,170); Gmhill Baker JV, LLC ($60,154,044); and RWE Clean Energy Solutions, Inc. ($43,058,139).
Which agencies buy the most under PSC C1?
The agencies that obligated the most under PSC C1 in fiscal years 2026 and 2027 are Department of Veterans Affairs ($426,260,704), Department of Transportation ($409,477,974) and Department of the Army ($275,045,251).
Which NAICS codes are used with PSC C1?
The NAICS codes with the most obligated under PSC C1 in fiscal years 2026 and 2027 are 541330 Engineering Services; 541990 All Other Professional, Scientific, and Technical Services; and 541310 Architectural Services.
Where is the work under PSC C1 performed?
By place of performance, the states with the most contract obligations under PSC C1 over the last 12 months are the District of Columbia ($366,613,219), Virginia ($81,768,033) and California ($81,581,525).
What is the latest open contract opportunity under PSC C1?
The latest open contract opportunity under PSC C1 is Solicitation for Asbestos Removal Supervision Service, solicitation from Department of State, posted November 12, 2026.
On GovTribe
See everything under PSC C1
- Federal contract opportunities, awards and IDVs under this code
- Funding analysis by contractor, agency and set-aside
- Contacts who buy under this code
- Ask GovTribe AI about this code