PSC C1LB: Architect and Engineering – Construction: Highways, Roads, Streets, Bridges, and Railways
Service code
Code facts
- Spend category
- Facilities & Construction Construction Related Services
- Part of
-
-
C
- C1
-
C
- Contract awards
- 111 In the last 12 months
- Contract obligations
- $53,306,492 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 | -$22,767 |
| FY2026 | $67,377,713 |
| FY2025 | $53,306,492 |
| FY2024 | $52,277,835 |
| FY2023 | $66,075,756 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department Of Transportation California | $10,581,000 | |
| 2 | Dj&A, P.C. | $7,480,575 | |
| 3 | AECOM Technical Services, Inc. | $5,868,871 | |
| 4 | WSP USA Inc. | $5,469,605 | |
| 5 | Johnson, Mirmiran & Thompson, Inc. | $4,936,887 | |
| 6 | Jacobs Engineering Group Inc. | $4,028,768 | |
| 7 | Consultant Engineering Inc. | $4,003,552 | |
| 8 | HDR Engineering, Inc. | $3,887,613 | |
| 9 | Atkinsrealis USA Inc. | $3,436,574 | |
| 10 | Lloyd Collins JV | $2,430,475 |
See the full FY2025 ranking of PSC C1LB contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Transportation | $47,524,812 | |
| 2 | Department of Veterans Affairs | $11,136,139 | |
| 3 | Department of Homeland Security | $2,931,297 | |
| 4 | Department of the Navy | $2,177,337 | |
| 5 | Department of the Army | $1,709,261 | |
| 6 | Department of Agriculture | $1,508,098 | |
| 7 | Department of the Interior | $298,001 | |
| 8 | Department of Health and Human Services | $70,000 |
Top NAICS codes by obligations
| Rank | NAICS code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 541330 Engineering Services | $54,795,074 | |
| 2 | 237310 Highway, Street, and Bridge Construction | $10,581,000 | |
| 3 | 541370 Surveying and Mapping (except Geophysical) Services | $1,813,577 | |
| 4 | 541310 Architectural Services | $165,295 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Virginia | $23,946,377 | |
| 2 | California | $13,625,678 | |
| 3 | Colorado | $12,042,401 | |
| 4 | Montana | $5,726,930 | |
| 5 | Nevada | $2,473,175 | |
| 6 | Rhode Island | $2,430,475 | |
| 7 | New Mexico | $1,262,282 | |
| 8 | Utah | $1,033,651 | |
| 9 | Wyoming | $939,965 | |
| 10 | New Jersey | $516,713 | |
| 11 | North Dakota | $499,329 | |
| 12 | North Carolina | $458,373 | |
| 13 | Texas | $406,879 | |
| 14 | Maryland | $400,000 | |
| 15 | Pennsylvania | $381,285 | |
| 16 | Washington | $200,222 | |
| 17 | South Dakota | $157,404 | |
| 18 | New Hampshire | $149,300 | |
| 19 | Ohio | $72,950 | |
| 20 | Massachusetts | $48,692 |
Show all 20
Shares are of everything obligated under PSC C1LB in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 37 more
Latest 47 of 133 listed here. See the rest on GovTribe.
Definition
Includes: Resurfacing
Quick answers
What is PSC C1LB?
PSC C1LB is Architect and Engineering – Construction: Highways, Roads, Streets, Bridges, and Railways, a service code in PSC C, Architect/
How much do federal agencies spend under PSC C1LB?
Federal contracts under PSC C1LB obligated $53,306,492 in fiscal year 2025 and $239,015,028 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC C1LB?
The contractors with the most obligated under PSC C1LB in fiscal years 2026 and 2027 are Department Of Transportation California ($10,581,000); Dj&A, P.C. ($7,480,575); and AECOM Technical Services, Inc. ($5,868,871).
Which agencies buy the most under PSC C1LB?
The agencies that obligated the most under PSC C1LB in fiscal years 2026 and 2027 are Department of Transportation ($47,524,812), Department of Veterans Affairs ($11,136,139) and Department of Homeland Security ($2,931,297).
Which NAICS codes are used with PSC C1LB?
The NAICS codes with the most obligated under PSC C1LB in fiscal years 2026 and 2027 are 541330 Engineering Services; 237310 Highway, Street, and Bridge Construction; and 541370 Surveying and Mapping (except Geophysical) Services.
Where is the work under PSC C1LB performed?
By place of performance, the states with the most contract obligations under PSC C1LB over the last 12 months are Virginia ($23,946,377), California ($13,625,678) and Colorado ($12,042,401).
What is the latest contract opportunity under PSC C1LB?
The latest contract opportunity under PSC C1LB is CFLHD Indefinite Delivery, Indefinite Quantity (IDIQ) for Architect-Engineer Design Services, solicitation from Federal Highway Administration, posted October 20, 2026.
On GovTribe
See everything under PSC C1LB
- Federal contract opportunities, awards and IDVs under this code
- Funding analysis by contractor, agency and set-aside
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