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

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

The top 10 won 40% of FY2025 PSC C211 contract dollars

Contract obligations: $1,254,954,595 Net of deobligations, by contracts coded PSC C211
Contractors: 585 Parent companies with an obligation
Largest contractor: Hdr, Inc. $114 million, 8.5% of obligations
Data as of: Oct 14, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Hdr, Inc. 20 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)	$114,113,129	8.5%	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	Jacobs Government Services Company 12 awardees, including Jacobs Engineering Group Inc., 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)	$66,807,401	5.0%	Rank history: #9 in FY2021, #19 in FY2022, #13 in FY2023 and #3 in FY2024; unchanged since FY2024.
4	AECOM Technical Services, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Army (Department of the Army)	$57,267,051	4.3%	Rank history: not on the FY2021–FY2023 lists and #1 in FY2024; down 3 since FY2024.
5	Burns & Mcdonnell Engineering Company, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$51,651,380	3.8%	Rank history: not on the FY2021–FY2023 lists and #8 in FY2024; up 3 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	AECOM 14 awardees, including AECOM - B&V Usace Med Satoc JV, Aecom-Baker-Cardno Navfac Atlantic Planning JV and AECOM Services, LLC Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$34,788,297	2.6%	Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2023 and #7 in FY2024; unchanged since FY2024.
8	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)	$29,532,614	2.2%	Rank history: not on the FY2021–FY2022 lists, #32 in FY2023 and #15 in FY2024; up 7 since FY2024.
9	Parsons Corporation 2 awardees, including Parsons Government Services Inc. and Michael Baker International, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$25,315,534	1.9%	Rank history: #8 in FY2021, #10 in FY2022, #12 in FY2023 and #20 in FY2024; up 11 since FY2024.
10	Forsgren Associates Inc. Top agencies DOI (Department of the Interior)	$19,376,848	1.4%	Rank history: not on the FY2021–FY2024 lists; up 380 since FY2024.
11	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 189 since FY2024.
12	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 31 since FY2024.
13	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 15 since FY2024.
14	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 12 since FY2024.
15	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 30 since FY2024.
16	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 24 since FY2024.
17	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 39 since FY2024.
18	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 36 since FY2024.
19	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 8 since FY2024.
20	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 9 since FY2024.
21	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 46 since FY2024.
22	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 4 since FY2024.
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	Thompson Engineering, Inc. Top agencies Army (Department of the Army)	$7,916,780	0.6%	Rank history: #56 in FY2021, #25 in FY2022, #48 in FY2023 and #19 in FY2024; down 9 since FY2024.
29	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 60 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	Weiss / Manfredi Architects LLP Top agencies DOS (Department of State)	$6,394,603	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
35	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; up 1 since FY2024.
36	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 11 since FY2024.
37	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 243 since FY2024.
38	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 73 since FY2024.
39	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 77 since FY2024.
40	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 164 since FY2024.
41	Benham-Stanley, LLC Top agencies USAF (Department of the Air Force)	$5,410,589	0.4%	Rank history: not on the FY2021–FY2023 lists and #16 in FY2024; down 25 since FY2024.
42	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 23 since FY2024.
43	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 29 since FY2024.
44	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 6 since FY2024.
45	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.
46	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 14 since FY2024.
47	Michael Baker International, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$4,820,517	0.4%	Rank history: not on the FY2021–FY2024 lists; up 171 since FY2024.
48	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 118 since FY2024.
49	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–FY2023 lists and #46 in FY2024; down 3 since FY2024.
50	Andrew C Chen Top agencies Navy (Department of the Navy)	$4,460,996	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
51	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 48 since FY2024.
52	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 18 since FY2024.
53	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 144 since FY2024.
54	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 438 since FY2024.
55	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–FY2023 lists and #37 in FY2024; down 18 since FY2024.
56	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 15 since FY2024.
57	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 15 since FY2024.
58	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 89 since FY2024.
59	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 179 since FY2024.
60	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 53 since FY2024.
61	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 53 since FY2024.
62	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; unchanged since FY2024.
63	WSP USA Environment & Infrastructure Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$3,788,013	0.3%	Rank history: not on the FY2021–FY2024 lists; up 59 since FY2024.
64	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 35 since FY2024.
65	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 15 since FY2024.
66	Hb&A, LLC Top agencies USAF (Department of the Air Force)	$3,677,303	0.3%	Rank history: not on the FY2021–FY2022 lists, #58 in FY2023 and #55 in FY2024; down 11 since FY2024.
67	HDR Architecture, Inc. Top agencies Army (Department of the Army)	$3,641,745	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
68	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.
69	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.
70	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 76 since FY2024.
71	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 34 since FY2024.
72	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 24 since FY2024.
73	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 23 since FY2024.
74	Westland Resources Inc. 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 8 since FY2024.
75	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.
76	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.
77	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 11 since FY2024.
78	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 83 since FY2024.
79	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 47 since FY2024.
80	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 63 since FY2024.
81	Gwwo, Inc. Top agencies DOI (Department of the Interior)	$2,888,726	0.2%	Rank history: not on the FY2021–FY2024 lists; up 326 since FY2024.
82	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 239 since FY2024.
83	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 59 since FY2024.
84	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 401 since FY2024.
85	Inter-Fluve, Inc. Top agencies DOI (Department of the Interior)	$2,814,834	0.2%	Rank history: not on the FY2021–FY2024 lists; up 23 since FY2024.
86	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 39 since FY2024.
87	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 2 since FY2024.
88	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.
89	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.
90	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 15 since FY2024.
91	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.
92	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 33 since FY2024.
93	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 152 since FY2024.
94	Pryzm Consulting LLC Top agencies Army (Department of the Army)	$2,564,231	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
95	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 126 since FY2024.
96	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 75 since FY2024.
97	Golder Europe Service Centre SRL 3 awardees, including WSP USA Solutions Inc., Louis Berger Kyowa JV and WSP USA Inc. Top agencies Army (Department of the Army) DOT (Department of Transportation)	$2,412,650	0.2%	Rank history: not on the FY2021–FY2022 lists, #34 in FY2023 and #39 in FY2024; down 58 since FY2024.
98	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 266 since FY2024.
99	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 40 since FY2024.
100	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 67 since FY2024.

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100 of 585 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. 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. ($114M), 2. WSM Pacific Siop, A Joint Venture ($103M), 3. Jacobs Government Services Company ($66.8M), 4. AECOM Technical Services, Inc. ($57.3M), 5. Burns & Mcdonnell Engineering Company, Inc. ($51.7M), 6. Tetra Tech, Inc. ($41.1M), 7. AECOM ($34.8M), 8. Stantec Inc. ($29.5M), 9. Parsons Corporation ($25.3M), 10. Forsgren Associates Inc. ($19.4M).

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