Top 42 Contractors in PSC C1LB: Architect and Engineering – Construction: Highways, Roads, Streets, Bridges, and Railways, FY2025

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	WSP USA Solutions Inc 4 awardees, including WSP USA Inc. and WSP USA Environment & Infrastructure Inc. Top agencies DOT (Department of Transportation) DHS (Department of Homeland Security)	$9,184,095	16.3%	Rank history: not on the FY2021–FY2022 lists, #39 in FY2023 and #4 in FY2024; up 3 since FY2024.
2	Hdr, Inc. 3 awardees, including HDR Engineering, Inc. Top agencies DOT (Department of Transportation)	$6,974,338	12.4%	Rank history: #2 in FY2021, #1 in FY2022, #1 in FY2023 and #1 in FY2024; down 1 since FY2024.
3	Jacobs Engineering Group Inc. 3 awardees, including Jacobs Government Services Company Top agencies DOT (Department of Transportation) USAF (Department of the Air Force)	$5,454,683	9.7%	Rank history: not on the FY2021–FY2023 lists and #7 in FY2024; up 4 since FY2024.
4	Johnson, Mirmiran & Thompson, Inc. Top agencies DOT (Department of Transportation)	$4,352,567	7.7%	Rank history: not on the FY2021 list, #24 in FY2022, #8 in FY2023 and #11 in FY2024; up 7 since FY2024.
5	YEH and Associates Inc. Top agencies DOT (Department of Transportation)	$3,692,142	6.6%	Rank history: not on the FY2021–FY2023 lists and #8 in FY2024; up 3 since FY2024.
6	Bravo Co VI LLC Top agencies DOT (Department of Transportation)	$3,235,392	5.8%	Rank history: not on the FY2021 list, #10 in FY2022, #13 in FY2023 and #9 in FY2024; up 3 since FY2024.
7	Atkinsrealis USA Inc. 2 awardees Top agencies DOT (Department of Transportation)	$2,388,673	4.3%	Rank history: not on the FY2021 list, #57 in FY2022, not on the FY2023 list and #12 in FY2024; up 5 since FY2024.
8	Greenman-Pedersen Inc. Top agencies Army (Department of the Army)	$1,979,433	3.5%	Rank history: #9 in FY2021 and not on the FY2022–FY2024 lists; returned.
9	Stantec Inc. Through Stantec Consulting Services Inc. Top agencies DOT (Department of Transportation)	$1,425,850	2.5%	Rank history: not on the FY2021–FY2022 lists, #49 in FY2023 and #10 in FY2024; up 1 since FY2024.
10	Reid Middleton, Inc. Top agencies Navy (Department of the Navy)	$1,140,329	2.0%	Rank history: not on the FY2021–FY2022 lists, #34 in FY2023 and #6 in FY2024; down 4 since FY2024.
11	Pathway Services Inc. Top agencies DOT (Department of Transportation)	$1,139,074	2.0%	Rank history: not on the FY2021 list, #41 in FY2022, #40 in FY2023 and #14 in FY2024; up 3 since FY2024.
12	C2Rl Engineering, Inc. Top agencies USAF (Department of the Air Force)	$905,203	1.6%	Rank history: not on the FY2021–FY2023 lists and #18 in FY2024; up 6 since FY2024.
13	Consultant Engineering Inc Top agencies DOT (Department of Transportation)	$890,269	1.6%	Rank history: not on the FY2021–FY2022 lists, #7 in FY2023 and #62 in FY2024; up 49 since FY2024.
14	Dj&A, P.C. Top agencies DOT (Department of Transportation)	$854,187	1.5%	Rank history: #1 in FY2021, #3 in FY2022, #4 in FY2023 and #2 in FY2024; down 12 since FY2024.
15	Iea-Halff JV Top agencies DHS (Department of Homeland Security)	$831,491	1.5%	Rank history: not on the FY2021–FY2024 lists; new.
16	Acela Architects + Engineers PC Top agencies VA (Department of Veterans Affairs)	$805,128	1.4%	Rank history: #14 in FY2021, not on the FY2022 list, #17 in FY2023 and #40 in FY2024; up 24 since FY2024.
17	Kimley-Horn and Associates Inc. Top agencies DOT (Department of Transportation)	$804,906	1.4%	Rank history: #52 in FY2021, not on the FY2022–FY2023 lists and #17 in FY2024; unchanged since FY2024.
18	Vanasse Hangen Brustlin, Inc. Top agencies DOT (Department of Transportation)	$774,607	1.4%	Rank history: not on the FY2021–FY2024 lists; new.
19	Anderson Engineering of Minnesota, LLC Top agencies VA (Department of Veterans Affairs)	$766,659	1.4%	Rank history: #30 in FY2021, not on the FY2022–FY2023 lists and #54 in FY2024; up 35 since FY2024.
20	AECOM Through AECOM Technical Services, Inc. Top agencies DOT (Department of Transportation)	$705,442	1.3%	Rank history: #20 in FY2021, #20 in FY2022, #6 in FY2023 and #33 in FY2024; up 13 since FY2024.
21	Atlas Technical Consultants LLC Through Atlas Technical Consultants (Ca), Inc. Top agencies DOT (Department of Transportation)	$689,499	1.2%	Rank history: not on the FY2021–FY2024 lists; new.
22	MGE Engineering, Inc. Top agencies USDA (Department of Agriculture)	$617,328	1.1%	Rank history: #24 in FY2021, #25 in FY2022, #30 in FY2023 and #21 in FY2024; down 1 since FY2024.
23	Forus Contracting, Inc. Top agencies Army (Department of the Army)	$612,976	1.1%	Rank history: not on the FY2021–FY2024 lists; new.
24	Kenneth Hahn Architects Inc. Top agencies USAF (Department of the Air Force)	$485,084	0.9%	Rank history: not on the FY2021–FY2023 lists and #59 in FY2024; up 35 since FY2024.
25	Weris, Inc. Top agencies DOT (Department of Transportation)	$392,396	0.7%	Rank history: #38 in FY2021, #29 in FY2022, #37 in FY2023 and #24 in FY2024; down 1 since FY2024.
26	WSP USA Inc. Top agencies Navy (Department of the Navy)	$336,172	0.6%	Rank history: not on the FY2021–FY2024 lists; new.
27	Al Muamroon Trading Top agencies Army (Department of the Army)	$269,928	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
28	Civil Design & Engineering Inc. Top agencies USDA (Department of Agriculture)	$215,926	0.4%	Rank history: not on the FY2021–FY2024 lists; new.
29	Calibre Engineering Inc. Top agencies VA (Department of Veterans Affairs)	$195,432	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
30	HDR and Tehama Joint Venture Top agencies USAF (Department of the Air Force)	$185,239	0.3%	Rank history: not on the FY2021–FY2023 lists and #49 in FY2024; up 19 since FY2024.
31	JMT Volkert A JV Top agencies Navy (Department of the Navy)	$178,046	0.3%	Rank history: not on the FY2021–FY2023 lists and #65 in FY2024; up 34 since FY2024.
32	Fathom Architecture, LLC Top agencies Navy (Department of the Navy)	$156,503	0.3%	Rank history: not on the FY2021–FY2022 lists, #28 in FY2023 and not on the FY2024 list; returned.
33	Sierrita Mining & Ranching Company LP Top agencies Smithsonian (Smithsonian Institution)	$149,638	0.3%	Rank history: #8 in FY2021, #9 in FY2022, #19 in FY2023 and #58 in FY2024; up 25 since FY2024.
34	John Gallup & Associates LLC Top agencies VA (Department of Veterans Affairs)	$126,599	0.2%	Rank history: #12 in FY2021, #44 in FY2022, not on the FY2023 list and #16 in FY2024; down 18 since FY2024.
35	Stockwell Engineers, Inc. Top agencies Army (Department of the Army)	$118,359	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
36	Golden Lines Contracting Company Top agencies Army (Department of the Army)	$104,066	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
37	Tag Contracting, Inc. Top agencies USDA (Department of Agriculture)	$78,362	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
38	Battistella S.P.A. Top agencies Army (Department of the Army)	$60,547	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
39	South Dade Air Conditioning & Refrigeration Inc. Top agencies Army (Department of the Army)	$55,184	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
40	Smith, Alvarez, Sienkiewycz Architects, P.C. Top agencies DOI (Department of the Interior)	$45,020	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
41	Tigerbrain Engineering, Inc. Top agencies USAF (Department of the Air Force)	$34,235	0.1%	Rank history: not on the FY2021 list, #18 in FY2022, #33 in FY2023 and #20 in FY2024; down 21 since FY2024.
42	J & B Builders Inc. Top agencies USAF (Department of the Air Force)	$26,545	<0.1%	Rank history: not on the FY2021–FY2022 lists, #25 in FY2023 and not on the FY2024 list; returned.

How this ranking works

• Source: every contract action FPDS records (as published on SAM.gov) in the period, as GovTribe received it.
• Amounts are net obligations: what was obligated, less what was deobligated. Shares are of $56.2 million obligated before deobligations, so they never pass 100%.
• Parent companies: each action counts under the ultimate parent its award record names, or under the awardee when it names none, so no dollar counts twice. An awardee whose own actions mostly name no parent, and that no other company's actions name as their parent, rolls up its SAM.gov registration's chain of parent companies: it counts under the first company there that other companies' actions name as their parent, or under the parent most of a company's own actions name, whichever comes first; with neither, under the highest company in the chain with federal contracts of its own. Joint ventures stay companies of their own. Parents of the same name (Inc., LLC and the like aside) count as one company, since FPDS records a company's parent under more than one UEI over time. GovTribe corrects a few parents and names by hand; see the corrections.
• Fiscal year 2025 ran Oct 1, 2024 – Sep 30, 2025. The Department of Defense reports its contract actions to FPDS about 90 days late, so a fiscal year is ranked once they're in, in February, and the list doesn't change after.
• Rank changes compare with FY2024. "New" marks a company outside that period's top 500, and "Returned" one of those that was on an earlier fiscal year's list.
• Rank lines show each company's rank on every fiscal year's list since FY2021, #1 at the top, on a scale that gives the top of the list more room. A dashed stretch spans years it wasn't on the list. The step from FY2024 takes the color of the rank change beside it.
• Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.

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