Top 100 Contractors in PSC C211: Architect – Engineer Services (including landscaping, interior layout, and designing), FY2025

Name: Top 100 Contractors in PSC C211: Architect – Engineer Services (including landscaping, interior layout, and designing), FY2025
Creator: GovTribe
License: https://creativecommons.org/licenses/by/4.0/

Parent companies by net contract obligations Oct 1, 2024 – Sep 30, 2025 Code page on GovTribe

The top 10 won 42% of FY2025 PSC C211 contract dollars

Contract obligations: $1,255,289,252 Net of deobligations, by contracts coded PSC C211
Contractors: 563 Parent companies with an obligation
Largest contractor: Hdr, Inc. $119 million, 8.8% of obligations
Data as of: Oct 23, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV · Free to reuse with credit to GovTribe (CC BY 4.0)

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Hdr, Inc. 22 awardees, including HDR Environmental, Operations and Construction, Inc., HDR Engineering, Inc. and HDR Architecture, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$118,556,319	8.8%	Rank history: #2 in FY2021, #2 in FY2022, #3 in FY2023 and #4 in FY2024; up 3 since FY2024.
2	WSM Pacific Siop, A Joint Venture Top agencies Navy (Department of the Navy)	$103,121,478	7.7%	Rank history: not on the FY2021 list, #4 in FY2022, #4 in FY2023 and #5 in FY2024; up 3 since FY2024.
3	AECOM 16 awardees, including AECOM Technical Services, Inc., AECOM - B&V Usace Med Satoc JV and Aecom-Baker-Cardno Navfac Atlantic Planning JV Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$92,194,308	6.9%	Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2023 and #7 in FY2024; up 4 since FY2024.
4	Jacobs Engineering Group Inc. 14 awardees, including Jacobs Government Services Company, Jacobs / B&V, A Joint Venture (Federal Services) and Clark-Nexsen / Ch2M Hill - Norfolk Top agencies Navy (Department of the Navy) Army (Department of the Army) DOT (Department of Transportation)	$69,912,896	5.2%	Rank history: #9 in FY2021, #19 in FY2022, #13 in FY2023 and #3 in FY2024; down 1 since FY2024.
5	Burns & Mcdonnell, Inc. 2 awardees, including Burns & Mcdonnell Engineering Company, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$52,469,603	3.9%	Rank history: #4 in FY2021, #5 in FY2022, #2 in FY2023 and #13 in FY2024; up 8 since FY2024.
6	Tetra Tech, Inc. 16 awardees Top agencies Army (Department of the Army) DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$41,056,853	3.1%	Rank history: #5 in FY2021, #7 in FY2022, #5 in FY2023 and #12 in FY2024; up 6 since FY2024.
7	Stantec Inc. 13 awardees, including Stantec Consulting Services Inc., Stantec GS Inc. and Fsb-Stantec JV Top agencies Army (Department of the Army) DOI (Department of the Interior) IBWC (International Boundary and Water Commission U.S.-Mexico)	$29,556,097	2.2%	Rank history: not on the FY2021–FY2022 lists, #32 in FY2023 and #15 in FY2024; up 8 since FY2024.
8	Apex Companies, LLC Through Forsgren Associates Inc. Top agencies DOI (Department of the Interior)	$19,376,848	1.4%	Rank history: not on the FY2021–FY2024 lists; new.
9	Zimmer Gunsul Frasca Architects LLP Top agencies GSA (General Services Administration) DHS (Department of Homeland Security)	$18,996,776	1.4%	Rank history: not on the FY2021–FY2022 lists, #14 in FY2023 and not on the FY2024 list; up 191 since FY2024.
10	Woolpert, Inc. 2 awardees Top agencies Army (Department of the Army) USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$17,802,675	1.3%	Rank history: #30 in FY2021, #18 in FY2022, #69 in FY2023 and #43 in FY2024; up 33 since FY2024.
11	Mcdonough Bolyard Peck, Inc. 2 awardees Top agencies DOS (Department of State) Smithsonian (Smithsonian Institution)	$17,642,339	1.3%	Rank history: #36 in FY2021, not on the FY2022–FY2023 lists and #28 in FY2024; up 17 since FY2024.
12	Rogers Lovelock & Fritz Inc. 3 awardees, including RLF & CN JV Top agencies Navy (Department of the Navy)	$17,203,250	1.3%	Rank history: not on the FY2021–FY2022 lists, #98 in FY2023 and #26 in FY2024; up 14 since FY2024.
13	Parsons Corporation Through Parsons Government Services Inc. Top agencies USAF (Department of the Air Force)	$16,230,761	1.2%	Rank history: #8 in FY2021, #10 in FY2022, #12 in FY2023 and #20 in FY2024; up 7 since FY2024.
14	Jacobs / B&M A Joint Venture Top agencies Navy (Department of the Navy)	$12,945,821	1.0%	Rank history: not on the FY2021–FY2022 lists, #37 in FY2023 and #45 in FY2024; up 31 since FY2024.
15	Alliance WSP JV, LLC Top agencies Army (Department of the Army) Navy (Department of the Navy)	$12,127,491	0.9%	Rank history: not on the FY2021–FY2023 lists and #40 in FY2024; up 25 since FY2024.
16	Jg&A-Tsg JV Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$11,180,170	0.8%	Rank history: not on the FY2021–FY2022 lists, #84 in FY2023 and #56 in FY2024; up 40 since FY2024.
17	Mn-Bmcd SE JV Top agencies Navy (Department of the Navy)	$10,682,655	0.8%	Rank history: #48 in FY2021, #29 in FY2022, #71 in FY2023 and #54 in FY2024; up 37 since FY2024.
18	Burns & Mcdonnell + Group 70 Ho'ohui'ia Joint Venture Top agencies Army (Department of the Army)	$9,863,654	0.7%	Rank history: not on the FY2021 list, #81 in FY2022, not on the FY2023 list and #27 in FY2024; up 9 since FY2024.
19	Design Partners, Incorporated Top agencies Army (Department of the Army) Navy (Department of the Navy)	$9,766,813	0.7%	Rank history: #57 in FY2021, #59 in FY2022, #19 in FY2023 and #11 in FY2024; down 8 since FY2024.
20	Baskerville Donovan Inc. Top agencies Army (Department of the Army)	$9,317,931	0.7%	Rank history: not on the FY2021–FY2023 lists and #67 in FY2024; up 47 since FY2024.
21	Schmidt-Prime Group, LLC Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$9,144,431	0.7%	Rank history: #33 in FY2021, #23 in FY2022, #31 in FY2023 and #18 in FY2024; down 3 since FY2024.
22	Michael Baker International, Inc. Top agencies Navy (Department of the Navy)	$9,084,773	0.7%	Rank history: not on the FY2021–FY2024 lists; new.
23	Resilient LLC Joint Venture Top agencies Army (Department of the Army) DOI (Department of the Interior) NASA (National Aeronautics and Space Administration)	$8,938,810	0.7%	Rank history: not on the FY2021–FY2023 lists and #52 in FY2024; up 29 since FY2024.
24	Moffatt & Nichol - Burns & Mcdonnell Hawaii Top agencies Navy (Department of the Navy)	$8,922,632	0.7%	Rank history: #53 in FY2021, #52 in FY2022, not on the FY2023 list and #9 in FY2024; down 15 since FY2024.
25	Enterprise Engineering, Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$8,763,679	0.7%	Rank history: not on the FY2021–FY2024 lists; up 222 since FY2024.
26	MPR Associates Inc. Top agencies Army (Department of the Army)	$8,672,121	0.6%	Rank history: #12 in FY2021, #12 in FY2022, #9 in FY2023 and #10 in FY2024; down 16 since FY2024.
27	Zapata Group, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$8,486,448	0.6%	Rank history: not on the FY2021–FY2023 lists and #30 in FY2024; up 3 since FY2024.
28	LEO A Daly + Nbbj JV Top agencies GSA (General Services Administration) VA (Department of Veterans Affairs) Navy (Department of the Navy)	$7,910,329	0.6%	Rank history: not on the FY2021–FY2023 lists and #89 in FY2024; up 61 since FY2024.
29	Thompson Engineering, Inc. 2 awardees Top agencies Army (Department of the Army)	$7,891,607	0.6%	Rank history: #56 in FY2021, #25 in FY2022, #48 in FY2023 and #19 in FY2024; down 10 since FY2024.
30	Aero-Graphics Inc. Top agencies Army (Department of the Army)	$7,447,338	0.6%	Rank history: not on the FY2021 list, #57 in FY2022, #23 in FY2023 and not on the FY2024 list; up 90 since FY2024.
31	Pond-Cdm Smith JV LP Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$7,231,947	0.5%	Rank history: not on the FY2021 list, #93 in FY2022, #6 in FY2023 and not on the FY2024 list; up 183 since FY2024.
32	Stockwell Engineers, Inc. Top agencies Army (Department of the Army)	$6,871,379	0.5%	Rank history: not on the FY2021–FY2022 lists, #59 in FY2023 and #51 in FY2024; up 19 since FY2024.
33	Gmhill Baker JV, LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$6,662,920	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
34	The Haskell Company 3 awardees, including Benham-Stanley, LLC and Benham Design, LLC Top agencies USAF (Department of the Air Force) AOUSC (Administrative Office of the U.S. Courts) DOJ (Department of Justice)	$6,568,600	0.5%	Rank history: not on the FY2021 list, #88 in FY2022 and not on the FY2023–FY2024 lists; returned.
35	Weiss / Manfredi Architects LLP Top agencies DOS (Department of State)	$6,394,603	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
36	The Urban Collaborative, Llc: Master Planning, Urban Design, and Architecture Top agencies NASA (National Aeronautics and Space Administration) Army (Department of the Army) USAF (Department of the Air Force)	$6,265,362	0.5%	Rank history: not on the FY2021–FY2023 lists and #36 in FY2024; unchanged since FY2024.
37	Merrick-Rs & H Joint Venture LLP Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$6,229,023	0.5%	Rank history: #16 in FY2021, #32 in FY2022, #7 in FY2023 and #25 in FY2024; down 12 since FY2024.
38	WSP USA Solutions Inc 4 awardees, including WSP USA Environment & Infrastructure Inc., Louis Berger Kyowa JV and WSP USA Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$6,200,663	0.5%	Rank history: not on the FY2021–FY2022 lists, #34 in FY2023 and #39 in FY2024; up 1 since FY2024.
39	Summer Consultants Inc Top agencies USAF (Department of the Air Force) HHS (Department of Health and Human Services)	$5,635,311	0.4%	Rank history: not on the FY2021–FY2024 lists; up 241 since FY2024.
40	Fukunaga & Associates, Inc. Top agencies Navy (Department of the Navy)	$5,483,522	0.4%	Rank history: not on the FY2021–FY2022 lists, #79 in FY2023 and not on the FY2024 list; up 71 since FY2024.
41	Surveying and Mapping, LLC Top agencies Army (Department of the Army)	$5,432,004	0.4%	Rank history: not on the FY2021–FY2024 lists; up 75 since FY2024.
42	Baxter Hodell Donnelly Preston Inc. Top agencies VA (Department of Veterans Affairs) DOS (Department of State) GSA (General Services Administration)	$5,424,989	0.4%	Rank history: #69 in FY2021 and not on the FY2022–FY2024 lists; up 162 since FY2024.
43	Baker-Stanley-Cardno JV Top agencies USAF (Department of the Air Force)	$5,266,136	0.4%	Rank history: not on the FY2021 list, #26 in FY2022, #51 in FY2023 and #65 in FY2024; up 22 since FY2024.
44	The Johnson-Mcadams Firm, P.a. Top agencies Navy (Department of the Navy) USDA (Department of Agriculture) Army (Department of the Army)	$5,173,490	0.4%	Rank history: #23 in FY2021, #62 in FY2022, #26 in FY2023 and #14 in FY2024; down 30 since FY2024.
45	Acacia7 Top agencies USAF (Department of the Air Force)	$5,101,438	0.4%	Rank history: not on the FY2021 list, #38 in FY2022, #57 in FY2023 and #38 in FY2024; down 7 since FY2024.
46	Stanley - Setiadi Joint Venture Top agencies Army (Department of the Army)	$4,986,068	0.4%	Rank history: not on the FY2021–FY2024 lists; new.
47	Strata Architecture Inc. Top agencies DOI (Department of the Interior) DHS (Department of Homeland Security) GSA (General Services Administration)	$4,884,451	0.4%	Rank history: not on the FY2021 list, #54 in FY2022, #77 in FY2023 and #60 in FY2024; up 13 since FY2024.
48	Michael Baker International Holdco Corporation 2 awardees, including Michael Baker International, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$4,819,976	0.4%	Rank history: not on the FY2021–FY2024 lists; new.
49	Raymond Pond Military Service Solutions Sdvosb JV LLC Top agencies Navy (Department of the Navy)	$4,602,596	0.3%	Rank history: not on the FY2021–FY2024 lists; up 117 since FY2024.
50	The Chenega Corporation Through Native Technology Solutions, LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$4,482,973	0.3%	Rank history: not on the FY2021–FY2024 lists; up 304 since FY2024.
51	Andrew C Chen Top agencies Navy (Department of the Navy)	$4,460,996	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
52	Croft and Associates, Inc. Top agencies DOI (Department of the Interior)	$4,364,274	0.3%	Rank history: #74 in FY2021, not on the FY2022–FY2023 lists and #99 in FY2024; up 47 since FY2024.
53	National Institute of Building Sciences Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) WHS (DOD Washington Headquarters Service)	$4,254,802	0.3%	Rank history: not on the FY2021–FY2022 lists, #36 in FY2023 and #70 in FY2024; up 17 since FY2024.
54	Fung Associates, Inc. Top agencies Army (Department of the Army)	$4,203,547	0.3%	Rank history: not on the FY2021 list, #22 in FY2022 and not on the FY2023–FY2024 lists; up 143 since FY2024.
55	Health Facility Solutions Company Top agencies Army (Department of the Army)	$4,185,416	0.3%	Rank history: not on the FY2021–FY2024 lists; up 437 since FY2024.
56	Smithgroup, Inc. Top agencies SSA (Social Security Administration) GSA (General Services Administration) DHS (Department of Homeland Security)	$4,112,488	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
57	Fugro USA Land, Inc. Top agencies Army (Department of the Army)	$4,074,830	0.3%	Rank history: not on the FY2021–FY2023 lists and #71 in FY2024; up 14 since FY2024.
58	Dj&A, P.C. Top agencies DOI (Department of the Interior) DOT (Department of Transportation)	$4,028,602	0.3%	Rank history: #34 in FY2021, #82 in FY2022, #60 in FY2023 and #72 in FY2024; up 14 since FY2024.
59	Skidmore, Owings & Merrill LLP Top agencies VA (Department of Veterans Affairs)	$3,936,073	0.3%	Rank history: not on the FY2021–FY2024 lists; up 88 since FY2024.
60	Studio Gang Architects Ltd Top agencies DOS (Department of State)	$3,904,063	0.3%	Rank history: not on the FY2021 list, #35 in FY2022 and not on the FY2023–FY2024 lists; up 178 since FY2024.
61	Studios Architecture Top agencies GSA (General Services Administration) VA (Department of Veterans Affairs)	$3,863,164	0.3%	Rank history: not on the FY2021–FY2024 lists; up 52 since FY2024.
62	Nagamine Okawa Engineers Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$3,832,283	0.3%	Rank history: not on the FY2021–FY2022 lists, #62 in FY2023 and not on the FY2024 list; up 52 since FY2024.
63	Mechanical Engineers of Hawaii Corp Top agencies Navy (Department of the Navy) Army (Department of the Army)	$3,796,000	0.3%	Rank history: not on the FY2021 list, #95 in FY2022, not on the FY2023 list and #62 in FY2024; down 1 since FY2024.
64	Rs&H, Inc. 2 awardees, including Hb&A, LLC Top agencies USAF (Department of the Air Force)	$3,795,097	0.3%	Rank history: #89 in FY2021, #83 in FY2022 and not on the FY2023–FY2024 lists; up 276 since FY2024.
65	Otak, Inc. Top agencies DOI (Department of the Interior)	$3,742,667	0.3%	Rank history: not on the FY2021 list, #97 in FY2022, #27 in FY2023 and #29 in FY2024; down 36 since FY2024.
66	Woolpert-Rs&H LLC Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency) DODEA (Department of Defense Education Activity)	$3,725,042	0.3%	Rank history: not on the FY2021–FY2022 lists, #22 in FY2023 and #80 in FY2024; up 14 since FY2024.
67	Wgi, Inc. Through The Atlantic Group LLC Top agencies Army (Department of the Army)	$3,557,332	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
68	Cems-Rs&H JV Top agencies Army (Department of the Army)	$3,540,734	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
69	Merrick & Company Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$3,466,347	0.3%	Rank history: not on the FY2021–FY2024 lists; up 77 since FY2024.
70	Accura Engineering and Consulting Services, Inc. Top agencies NASA (National Aeronautics and Space Administration) Army (Department of the Army) DOI (Department of the Interior)	$3,448,174	0.3%	Rank history: not on the FY2021–FY2024 lists; up 35 since FY2024.
71	Pond & Company Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force) Army (Department of the Army)	$3,421,985	0.3%	Rank history: #49 in FY2021, #34 in FY2022, #25 in FY2023 and #48 in FY2024; down 23 since FY2024.
72	Gensler Architecture, Design & Planning, P.C. Through M Arthur Gensler JR & Associates Inc. Top agencies DOS (Department of State) AOUSC (Administrative Office of the U.S. Courts) Commerce (Department of Commerce)	$3,383,723	0.3%	Rank history: not on the FY2021–FY2023 lists and #96 in FY2024; up 24 since FY2024.
73	Bowman Consulting Group Ltd. 2 awardees, including Surdex Corporation Top agencies Army (Department of the Army)	$3,268,150	0.2%	Rank history: not on the FY2021–FY2023 lists and #82 in FY2024; up 9 since FY2024.
74	Aptim Geosyntec JV LLC Top agencies Army (Department of the Army)	$3,266,073	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
75	Cyntergy-Sla JV Top agencies USAF (Department of the Air Force)	$3,205,645	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
76	Dewberry Engineers Inc. Top agencies Army (Department of the Army)	$3,075,384	0.2%	Rank history: not on the FY2021–FY2023 lists and #66 in FY2024; down 10 since FY2024.
77	Osage Nation Energy Services LLC Top agencies Army (Department of the Army)	$3,002,757	0.2%	Rank history: not on the FY2021–FY2024 lists; up 84 since FY2024.
78	Stanley Consultants, Inc. Top agencies Navy (Department of the Navy) DOI (Department of the Interior) Army (Department of the Army)	$2,987,403	0.2%	Rank history: not on the FY2021–FY2023 lists and #32 in FY2024; down 46 since FY2024.
79	Wiley Wilson Burns & Mcdonnell Joint Venture Top agencies Navy (Department of the Navy)	$2,948,238	0.2%	Rank history: #77 in FY2021, #49 in FY2022, #93 in FY2023 and #17 in FY2024; down 62 since FY2024.
80	Gwwo, Inc. Top agencies DOI (Department of the Interior)	$2,888,726	0.2%	Rank history: not on the FY2021–FY2024 lists; up 327 since FY2024.
81	Geotechnical Environmental & Testing Solutions Inc Top agencies Navy (Department of the Navy)	$2,874,080	0.2%	Rank history: not on the FY2021–FY2024 lists; up 240 since FY2024.
82	Southeast Geospatial, JV LLC Top agencies Navy (Department of the Navy)	$2,863,575	0.2%	Rank history: not on the FY2021–FY2022 lists, #55 in FY2023 and #24 in FY2024; down 58 since FY2024.
83	Raymond Pond Solutions 8A II JV LLC Top agencies USAF (Department of the Air Force)	$2,831,826	0.2%	Rank history: #44 in FY2021, #99 in FY2022 and not on the FY2023–FY2024 lists; up 402 since FY2024.
84	Inter-Fluve, Inc. Top agencies DOI (Department of the Interior)	$2,814,834	0.2%	Rank history: not on the FY2021–FY2024 lists; up 24 since FY2024.
85	K2M Design, Inc. Top agencies NASA (National Aeronautics and Space Administration) DOI (Department of the Interior)	$2,787,375	0.2%	Rank history: not on the FY2021–FY2023 lists and #47 in FY2024; down 38 since FY2024.
86	Shop Architects, Inc. Top agencies DOS (Department of State)	$2,779,263	0.2%	Rank history: #68 in FY2021, #60 in FY2022, #39 in FY2023 and #85 in FY2024; down 1 since FY2024.
87	Ssfm International, Inc. Top agencies Army (Department of the Army)	$2,744,131	0.2%	Rank history: not on the FY2021 list, #77 in FY2022, #33 in FY2023 and not on the FY2024 list; returned.
88	Matrix Design Group, Inc. Top agencies USAF (Department of the Air Force)	$2,692,805	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
89	Accura Rosser 8A JV LLC Top agencies NASA (National Aeronautics and Space Administration)	$2,650,030	0.2%	Rank history: #31 in FY2021, #53 in FY2022, #42 in FY2023 and #75 in FY2024; down 14 since FY2024.
90	Okahara & Associates, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$2,618,233	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
91	Jacobs and Architects Hawaii Joint Venture Top agencies Army (Department of the Army)	$2,596,743	0.2%	Rank history: #40 in FY2021, #17 in FY2022 and not on the FY2023–FY2024 lists; up 34 since FY2024.
92	KMF Architects, LLC Through KZF Design Inc. Top agencies Army (Department of the Army) NASA (National Aeronautics and Space Administration)	$2,570,341	0.2%	Rank history: not on the FY2021–FY2024 lists; up 153 since FY2024.
93	Pryzm Consulting LLC Top agencies Army (Department of the Army)	$2,564,231	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
94	Colby Co LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$2,545,755	0.2%	Rank history: not on the FY2021–FY2024 lists; up 127 since FY2024.
95	Tutor Perini Corporation Through Perini Management Services, Inc. Top agencies DOS (Department of State)	$2,519,134	0.2%	Rank history: #59 in FY2021, #61 in FY2022, #41 in FY2023 and #21 in FY2024; down 74 since FY2024.
96	Yaeger Architecture Inc Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$2,392,874	0.2%	Rank history: not on the FY2021–FY2024 lists; up 268 since FY2024.
97	ADC Engineering Inc. Top agencies USAF (Department of the Air Force)	$2,376,574	0.2%	Rank history: not on the FY2021–FY2022 lists, #28 in FY2023 and not on the FY2024 list; up 42 since FY2024.
98	RLF and Sherlock Smith and Adams JV Top agencies Navy (Department of the Navy) DHA (Defense Health Agency)	$2,367,007	0.2%	Rank history: #18 in FY2021, #11 in FY2022, #75 in FY2023 and #33 in FY2024; down 65 since FY2024.
99	HDR and Tehama Joint Venture Top agencies USAF (Department of the Air Force)	$2,332,656	0.2%	Rank history: not on the FY2021–FY2024 lists; up 16 since FY2024.
100	Ssfm-Noei LLC Top agencies Navy (Department of the Navy)	$2,330,417	0.2%	Rank history: not on the FY2021–FY2022 lists, #50 in FY2023 and #35 in FY2024; down 65 since FY2024.

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100 of 563 contractors listed here. See the rest on GovTribe.

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 $1.34 billion 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.

Quick answers

Who were the top 10 PSC C211 contractors in FY2025?

1. Hdr, Inc. ($119M), 2. WSM Pacific Siop, A Joint Venture ($103M), 3. AECOM ($92.2M), 4. Jacobs Engineering Group Inc. ($69.9M), 5. Burns & Mcdonnell, Inc. ($52.5M), 6. Tetra Tech, Inc. ($41.1M), 7. Stantec Inc. ($29.6M), 8. Apex Companies, LLC ($19.4M), 9. Zimmer Gunsul Frasca Architects LLP ($19M), 10. Woolpert, Inc. ($17.8M).

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