Top 100 Contractors in PSC C211: Architect – Engineer Services (including landscaping, interior layout, and designing), FY2023

Name: Top 100 Contractors in PSC C211: Architect – Engineer Services (including landscaping, interior layout, and designing), FY2023
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2022 – Sep 30, 2023 Code page on GovTribe

The top 10 won 36% of FY2023 PSC C211 contract dollars

Contract obligations: $1,407,019,759 Net of deobligations, by contracts coded PSC C211
Contractors: 645 Parent companies with an obligation
Largest contractor: AECOM $122 million, 8.3% 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	AECOM 18 awardees, including AECOM Technical Services, Inc., Aecom-Baker-Cardno Navfac Atlantic Planning JV and AECOM + Tetra TECH Joint Venture Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$122,086,742	8.3%	Rank history: #1 in FY2021, #1 in FY2022, #7 in FY2024 and #7 in FY2025; unchanged since FY2022.
2	Burns & Mcdonnell, Inc. 2 awardees, including Burns & Mcdonnell Engineering Company, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force) DOE (Department of Energy)	$74,306,078	5.1%	Rank history: #4 in FY2021, #5 in FY2022, #13 in FY2024 and not on the FY2025 list; up 3 since FY2022.
3	Hdr, Inc. 19 awardees, including HDR Environmental, Operations and Construction, Inc., HDR Engineering, Inc. and HDR Architecture, Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency) Navy (Department of the Navy)	$74,114,357	5.1%	Rank history: #2 in FY2021, #2 in FY2022, #4 in FY2024 and #1 in FY2025; down 1 since FY2022.
4	WSM Pacific Siop, A Joint Venture Top agencies Navy (Department of the Navy)	$64,279,957	4.4%	Rank history: not on the FY2021 list, #4 in FY2022, #5 in FY2024 and #2 in FY2025; unchanged since FY2022.
5	Tetra Tech, Inc. 10 awardees Top agencies Army (Department of the Army) DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$49,109,192	3.4%	Rank history: #5 in FY2021, #7 in FY2022, #12 in FY2024 and #6 in FY2025; up 2 since FY2022.
6	Pond-Cdm Smith JV LP Top agencies USAF (Department of the Air Force)	$44,917,499	3.1%	Rank history: not on the FY2021 list, #93 in FY2022, not on the FY2024 list and #31 in FY2025; up 87 since FY2022.
7	Merrick-Rs & H Joint Venture LLP Top agencies Navy (Department of the Navy)	$33,997,092	2.3%	Rank history: #16 in FY2021, #32 in FY2022, #25 in FY2024 and #36 in FY2025; up 25 since FY2022.
8	Jacobs Engineering Group Inc. 14 awardees, including Jacobs Government Services Co, Ch2M - Burns & Mcdonnell Joint Venture and Ch2M Hill, Inc. Top agencies DOT (Department of Transportation) USAF (Department of the Air Force) Navy (Department of the Navy)	$28,676,361	2.0%	Rank history: #3 in FY2021, #9 in FY2022, #50 in FY2024 and not on the FY2025 list; up 1 since FY2022.
9	MPR Associates, Inc. Top agencies Army (Department of the Army)	$19,567,342	1.3%	Rank history: #12 in FY2021, #12 in FY2022, #10 in FY2024 and #26 in FY2025; up 3 since FY2022.
10	Michael Baker International, LLC 5 awardees Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Army (Department of the Army)	$16,701,383	1.1%	Rank history: #6 in FY2021, #8 in FY2022, #6 in FY2024 and not on the FY2025 list; down 2 since FY2022.
11	GHD Setiadi Kaula Joint Venture Top agencies Navy (Department of the Navy)	$14,967,978	1.0%	Rank history: not on the FY2021 list, #15 in FY2022 and not on the FY2024–FY2025 lists; up 4 since FY2022.
12	Parsons Corporation 3 awardees, including Parsons-Versar Joint Venture and Parsons Government Services Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force) DOI (Department of the Interior)	$14,380,036	1.0%	Rank history: #8 in FY2021, #10 in FY2022, #20 in FY2024 and #9 in FY2025; down 2 since FY2022.
13	Jacobs Government Services Company 3 awardees, including Ch2M Hill, Inc. Top agencies Army (Department of the Army) DOS (Department of State) Navy (Department of the Navy)	$14,333,468	1.0%	Rank history: #9 in FY2021, #19 in FY2022, #3 in FY2024 and #3 in FY2025; up 6 since FY2022.
14	Zimmer Gunsul Frasca Architects LLP Top agencies GSA (General Services Administration) DHS (Department of Homeland Security)	$14,179,092	1.0%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #11 in FY2025; up 195 since FY2022.
15	SC Companies, Inc. 2 awardees, including Stanley Consultants, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) DOI (Department of the Interior)	$12,971,173	0.9%	Rank history: #7 in FY2021, #3 in FY2022 and not on the FY2024–FY2025 lists; down 12 since FY2022.
16	M Arthur Gensler JR & Associates Inc. 3 awardees Top agencies GSA (General Services Administration) DHS (Department of Homeland Security) Commerce (Department of Commerce)	$12,037,456	0.8%	Rank history: #29 in FY2021, #86 in FY2022 and not on the FY2024–FY2025 lists; up 70 since FY2022.
17	Arcadis N.V. 2 awardees, including Arcadis U.s., Inc. Top agencies Army (Department of the Army)	$11,995,317	0.8%	Rank history: not on the FY2021 list, #31 in FY2022 and not on the FY2024–FY2025 lists; up 14 since FY2022.
18	Smithgroup Companies, Inc. Through Smithgroup, Inc. Top agencies SSA (Social Security Administration) GSA (General Services Administration) Army (Department of the Army)	$11,903,218	0.8%	Rank history: #15 in FY2021, #20 in FY2022, #22 in FY2024 and not on the FY2025 list; up 2 since FY2022.
19	Design Partners, Incorporated Top agencies Navy (Department of the Navy) Army (Department of the Army)	$11,510,183	0.8%	Rank history: #57 in FY2021, #59 in FY2022, #11 in FY2024 and #20 in FY2025; up 40 since FY2022.
20	Architects Pacific, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) DLA (Defense Logistics Agency)	$11,219,117	0.8%	Rank history: #76 in FY2021, #90 in FY2022 and not on the FY2024–FY2025 lists; up 70 since FY2022.
21	Jacobs / B&V, A Joint Venture (Federal Services) Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$10,840,269	0.7%	Rank history: not on the FY2021 list, #6 in FY2022 and not on the FY2024–FY2025 lists; down 15 since FY2022.
22	Woolpert-Rs&H LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$9,891,864	0.7%	Rank history: not on the FY2021–FY2022 lists, #80 in FY2024 and #65 in FY2025; up 219 since FY2022.
23	Aero-Graphics Inc. Top agencies Army (Department of the Army)	$9,674,943	0.7%	Rank history: not on the FY2021 list, #57 in FY2022, not on the FY2024 list and #30 in FY2025; up 34 since FY2022.
24	Kenall Inc. Top agencies DOI (Department of the Interior)	$9,561,276	0.7%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
25	Pond & Company 2 awardees Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force) Army (Department of the Army)	$9,325,984	0.6%	Rank history: #49 in FY2021, #34 in FY2022, #48 in FY2024 and #72 in FY2025; up 9 since FY2022.
26	The Johnson-Mcadams Firm, P.a. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$8,998,779	0.6%	Rank history: #23 in FY2021, #62 in FY2022, #14 in FY2024 and #43 in FY2025; up 36 since FY2022.
27	Otak, Inc. Top agencies DOI (Department of the Interior)	$8,885,361	0.6%	Rank history: not on the FY2021 list, #97 in FY2022, #29 in FY2024 and #64 in FY2025; up 70 since FY2022.
28	ADC Engineering Inc. Top agencies USAF (Department of the Air Force)	$8,645,717	0.6%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #99 in FY2025; new.
29	The Dewberry Companies LC Through Dewberry Engineers Inc. Top agencies Army (Department of the Army) DISA (Defense Information Systems Agency)	$8,582,647	0.6%	Rank history: not on the FY2021 list, #39 in FY2022 and not on the FY2024–FY2025 lists; up 10 since FY2022.
30	Skidmore, Owings & Merrill LLP 3 awardees Top agencies GSA (General Services Administration) VA (Department of Veterans Affairs)	$8,530,385	0.6%	Rank history: #71 in FY2021, #37 in FY2022 and not on the FY2024–FY2025 lists; up 7 since FY2022.
31	Schmidt-Prime Group, LLC Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$8,517,329	0.6%	Rank history: #33 in FY2021, #23 in FY2022, #18 in FY2024 and #22 in FY2025; down 8 since FY2022.
32	Stantec Inc. 9 awardees, including Stantec Consulting Services Inc. Top agencies Army (Department of the Army) DOI (Department of the Interior)	$8,383,788	0.6%	Rank history: not on the FY2021–FY2022 lists, #15 in FY2024 and #8 in FY2025; new.
33	Ssfm International, Inc. Top agencies Army (Department of the Army)	$8,219,461	0.6%	Rank history: not on the FY2021 list, #77 in FY2022, not on the FY2024 list and #88 in FY2025; up 44 since FY2022.
34	Golder Europe Service Centre SRL Through WSP USA Inc. Top agencies Navy (Department of the Navy)	$8,118,301	0.6%	Rank history: not on the FY2021–FY2022 lists, #39 in FY2024 and #97 in FY2025; new.
35	Makhpiya Project Management Co. WLL Top agencies Army (Department of the Army)	$8,078,615	0.6%	Rank history: #60 in FY2021, #24 in FY2022 and not on the FY2024–FY2025 lists; down 11 since FY2022.
36	National Institute of Building Sciences Top agencies Navy (Department of the Navy) Army (Department of the Army)	$7,874,053	0.5%	Rank history: not on the FY2021–FY2022 lists, #70 in FY2024 and #52 in FY2025; up 77 since FY2022.
37	Jacobs / B&M A Joint Venture Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$7,849,697	0.5%	Rank history: not on the FY2021–FY2022 lists, #45 in FY2024 and #15 in FY2025; up 64 since FY2022.
38	Black & Veatch Special Projects Corp. 3 awardees, including Black & Veatch - GEI JV Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$7,279,115	0.5%	Rank history: #11 in FY2021, not on the FY2022 list, #49 in FY2024 and not on the FY2025 list; up 104 since FY2022.
39	Shop Architects, Inc. Top agencies DOS (Department of State)	$7,077,713	0.5%	Rank history: #68 in FY2021, #60 in FY2022, #85 in FY2024 and #87 in FY2025; up 21 since FY2022.
40	Acuity - Pt&C, LLC Top agencies Army (Department of the Army) DOS (Department of State)	$6,956,429	0.5%	Rank history: #22 in FY2021, #14 in FY2022 and not on the FY2024–FY2025 lists; down 26 since FY2022.
41	Tutor Perini Corporation Through Perini Management Services, Inc. Top agencies DOS (Department of State)	$6,889,538	0.5%	Rank history: #59 in FY2021, #61 in FY2022, #21 in FY2024 and #96 in FY2025; up 20 since FY2022.
42	Accura Rosser 8A JV LLC Top agencies NASA (National Aeronautics and Space Administration)	$6,862,365	0.5%	Rank history: #31 in FY2021, #53 in FY2022, #75 in FY2024 and #90 in FY2025; up 11 since FY2022.
43	Leidos Holdings, Inc. 3 awardees, including Leidos, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$6,655,468	0.5%	Rank history: #24 in FY2021, not on the FY2022 list, #42 in FY2024 and not on the FY2025 list; up 60 since FY2022.
44	Reid Middleton, Inc. 2 awardees Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security) DOS (Department of State)	$6,644,101	0.5%	Rank history: not on the FY2021 list, #91 in FY2022 and not on the FY2024–FY2025 lists; up 47 since FY2022.
45	Del Mar Environmental & Construction Services Inc. Top agencies Navy (Department of the Navy)	$6,498,233	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
46	Jacobs / Ewingcole, A Joint Venture Top agencies Navy (Department of the Navy)	$6,448,760	0.4%	Rank history: #35 in FY2021, #28 in FY2022 and not on the FY2024–FY2025 lists; down 18 since FY2022.
47	Toland & Mizell Architects, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$6,444,428	0.4%	Rank history: not on the FY2021 list, #85 in FY2022 and not on the FY2024–FY2025 lists; up 38 since FY2022.
48	Thompson Engineering, Inc. Top agencies Army (Department of the Army)	$6,295,002	0.4%	Rank history: #56 in FY2021, #25 in FY2022, #19 in FY2024 and #28 in FY2025; down 23 since FY2022.
49	Enterprise Engineering, Inc. Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency) Army (Department of the Army)	$6,084,174	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 127 since FY2022.
50	Ssfm-Noei LLC Top agencies Navy (Department of the Navy)	$5,949,134	0.4%	Rank history: not on the FY2021–FY2022 lists, #35 in FY2024 and not on the FY2025 list; up 88 since FY2022.
51	Baker-Stanley-Cardno JV Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$5,909,668	0.4%	Rank history: not on the FY2021 list, #26 in FY2022, #65 in FY2024 and #42 in FY2025; down 25 since FY2022.
52	Pond-Tetra TECH JV LP Top agencies Army (Department of the Army) NASA (National Aeronautics and Space Administration)	$5,901,029	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 152 since FY2022.
53	GEO Consultants Corporation 2 awardees, including GEO / Stanley Joint Venture 2 Top agencies Army (Department of the Army) DOI (Department of the Interior)	$5,808,236	0.4%	Rank history: not on the FY2021–FY2022 lists, #61 in FY2024 and not on the FY2025 list; up 131 since FY2022.
54	Urban Collaborative-Louis Berger Joint Venture Top agencies Navy (Department of the Navy)	$5,469,349	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
55	Southeast Geospatial, JV LLC Top agencies Navy (Department of the Navy)	$5,400,752	0.4%	Rank history: not on the FY2021–FY2022 lists, #24 in FY2024 and #83 in FY2025; up 426 since FY2022.
56	Michael Baker International & Huitt-Zollars JV Top agencies Army (Department of the Army)	$5,344,722	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 66 since FY2022.
57	Acacia7 Top agencies USAF (Department of the Air Force)	$5,249,056	0.4%	Rank history: not on the FY2021 list, #38 in FY2022, #38 in FY2024 and #44 in FY2025; down 19 since FY2022.
58	Hb&A, LLC Top agencies USAF (Department of the Air Force)	$5,245,501	0.4%	Rank history: not on the FY2021–FY2022 lists, #55 in FY2024 and #66 in FY2025; up 370 since FY2022.
59	Stockwell Engineers, Inc. Top agencies Army (Department of the Army) EPA (Environmental Protection Agency)	$5,203,719	0.4%	Rank history: not on the FY2021–FY2022 lists, #51 in FY2024 and #32 in FY2025; up 285 since FY2022.
60	Dj&A, P.C. Top agencies DOI (Department of the Interior) DOT (Department of Transportation) USDA (Department of Agriculture)	$5,114,194	0.3%	Rank history: #34 in FY2021, #82 in FY2022, #72 in FY2024 and #57 in FY2025; up 22 since FY2022.
61	Axis Geospatial LLC Top agencies Army (Department of the Army)	$4,864,676	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 323 since FY2022.
62	Nagamine Okawa Engineers Inc. Top agencies Navy (Department of the Navy) WHS (DOD Washington Headquarters Service)	$4,798,403	0.3%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #61 in FY2025; up 115 since FY2022.
63	Chustz Surveying LLC Top agencies Army (Department of the Army)	$4,735,885	0.3%	Rank history: #41 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 39 since FY2022.
64	Nagel Services LLC 2 awardees Top agencies VA (Department of Veterans Affairs)	$4,642,709	0.3%	Rank history: not on the FY2021 list, #79 in FY2022 and not on the FY2024–FY2025 lists; up 15 since FY2022.
65	WHR Architects, Inc. Through Page Southerland Page, Inc. Top agencies DOS (Department of State)	$4,613,065	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 134 since FY2022.
66	Fugro Geospatial Inc. Through Fugro USA Land, Inc. Top agencies Army (Department of the Army)	$4,528,360	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 112 since FY2022.
67	Stell Environmental Enterprises Inc. Top agencies OSD (Office of the Secretary of Defense) Army (Department of the Army)	$4,485,467	0.3%	Rank history: #82 in FY2021, #33 in FY2022, #53 in FY2024 and not on the FY2025 list; down 34 since FY2022.
68	AH Environmental Consultants Inc. Top agencies Navy (Department of the Navy)	$4,447,006	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
69	Woolpert, Inc. 3 awardees Top agencies Army (Department of the Army) USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$4,414,445	0.3%	Rank history: #30 in FY2021, #18 in FY2022, #43 in FY2024 and #12 in FY2025; down 51 since FY2022.
70	Mason & Hanger- CDM Smith A JV Top agencies Army (Department of the Army)	$4,402,490	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
71	Mn-Bmcd SE JV Top agencies Navy (Department of the Navy)	$4,311,770	0.3%	Rank history: #48 in FY2021, #29 in FY2022, #54 in FY2024 and #18 in FY2025; down 42 since FY2022.
72	Aptim-Versar, Llc. Top agencies DLA (Defense Logistics Agency)	$4,289,003	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 88 since FY2022.
73	Raymond Pond Enterprise Solutions JV LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$4,275,937	0.3%	Rank history: not on the FY2021–FY2022 lists, #44 in FY2024 and not on the FY2025 list; up 179 since FY2022.
74	Ahtna, Incorporated Through Ahtna Engineering Services, LLC Top agencies USAF (Department of the Air Force)	$4,110,207	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 114 since FY2022.
75	RLF and Sherlock Smith and Adams JV Top agencies DHA (Defense Health Agency) Navy (Department of the Navy)	$4,081,247	0.3%	Rank history: #18 in FY2021, #11 in FY2022, #33 in FY2024 and #100 in FY2025; down 64 since FY2022.
76	Nelson Engineering Co. Top agencies NASA (National Aeronautics and Space Administration)	$4,027,020	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 75 since FY2022.
77	Strata Architecture Inc. Top agencies DOI (Department of the Interior) GSA (General Services Administration) USDA (Department of Agriculture)	$4,020,768	0.3%	Rank history: not on the FY2021 list, #54 in FY2022, #60 in FY2024 and #46 in FY2025; down 23 since FY2022.
78	WSP USA Solutions Inc. Top agencies Army (Department of the Army) DOI (Department of the Interior)	$3,968,246	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 226 since FY2022.
79	Fukunaga & Associates, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$3,945,718	0.3%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #38 in FY2025; up 25 since FY2022.
80	Bullock Tice Associates, LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$3,902,807	0.3%	Rank history: #63 in FY2021, #72 in FY2022 and not on the FY2024–FY2025 lists; down 8 since FY2022.
81	Colby Co LLC Top agencies Army (Department of the Army)	$3,868,881	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
82	RBA Group the 2 awardees, including NV5 Geospatial, Inc. and NV5 Consultants, Inc. Top agencies Army (Department of the Army) DOS (Department of State) Smithsonian (Smithsonian Institution)	$3,811,705	0.3%	Rank history: #20 in FY2021, #69 in FY2022 and not on the FY2024–FY2025 lists; down 13 since FY2022.
83	Cape Fear Engineering, Inc. Top agencies Navy (Department of the Navy)	$3,807,495	0.3%	Rank history: not on the FY2021 list, #70 in FY2022 and not on the FY2024–FY2025 lists; down 13 since FY2022.
84	Jg&A-Tsg JV Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$3,804,164	0.3%	Rank history: not on the FY2021–FY2022 lists, #56 in FY2024 and #17 in FY2025; new.
85	ASR International Corp. Top agencies Navy (Department of the Navy)	$3,742,750	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 217 since FY2022.
86	Gustin, Cothern, & Tucker, Inc. Top agencies Army (Department of the Army)	$3,737,380	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 389 since FY2022.
87	Bowers + Kubota Consulting, Inc. Through Belt Collins Hawaii LLC Top agencies Navy (Department of the Navy)	$3,699,639	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 70 since FY2022.
88	Towill Holding Company Inc Through Towill, Inc. Top agencies Army (Department of the Army)	$3,628,066	0.2%	Rank history: #25 in FY2021, #87 in FY2022 and not on the FY2024–FY2025 lists; down 1 since FY2022.
89	Science Applications International Corporation Top agencies Navy (Department of the Navy)	$3,575,931	0.2%	Rank history: #17 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 406 since FY2022.
90	Clark-Nexsen / Ch2M Hill - Norfolk Top agencies Army (Department of the Army)	$3,532,504	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 178 since FY2022.
91	Ecs-Gec JV Top agencies Army (Department of the Army)	$3,495,954	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 58 since FY2022.
92	Symmes Maini & Mckee Associates Inc. Top agencies USAF (Department of the Air Force)	$3,422,256	0.2%	Rank history: #90 in FY2021, #98 in FY2022 and not on the FY2024–FY2025 lists; up 6 since FY2022.
93	Wiley Wilson Burns & Mcdonnell Joint Venture Top agencies Navy (Department of the Navy)	$3,417,203	0.2%	Rank history: #77 in FY2021, #49 in FY2022, #17 in FY2024 and #80 in FY2025; down 44 since FY2022.
94	Zgf-Leo A Daly A Joint Venture Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$3,292,581	0.2%	Rank history: not on the FY2021 list, #51 in FY2022 and not on the FY2024–FY2025 lists; down 43 since FY2022.
95	Rim / DPI Joint Venture LLC Top agencies Army (Department of the Army)	$3,288,033	0.2%	Rank history: not on the FY2021 list, #44 in FY2022 and not on the FY2024–FY2025 lists; down 51 since FY2022.
96	Baker Jacobs JV Top agencies Army (Department of the Army)	$3,182,585	0.2%	Rank history: #10 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 363 since FY2022.
97	Donovan-Hill Group, Inc. Through Baskerville Donovan Inc. Top agencies Army (Department of the Army)	$3,092,781	0.2%	Rank history: #94 in FY2021, #78 in FY2022 and not on the FY2024–FY2025 lists; down 19 since FY2022.
98	Rogers Lovelock & Fritz Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$3,090,013	0.2%	Rank history: not on the FY2021–FY2022 lists, #26 in FY2024 and #14 in FY2025; new.
99	Butt Construction Company, Incorporated Top agencies USAF (Department of the Air Force)	$3,088,233	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
100	Mn-Bmcd JV Top agencies Navy (Department of the Navy)	$3,007,180	0.2%	Rank history: not on the FY2021 list, #67 in FY2022 and not on the FY2024–FY2025 lists; down 33 since FY2022.

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100 of 645 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 $1.46 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 2023 ran Oct 1, 2022 – Sep 30, 2023. 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 FY2022. "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 FY2022 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 FY2023?

1. AECOM ($122M), 2. Burns & Mcdonnell, Inc. ($74.3M), 3. Hdr, Inc. ($74.1M), 4. WSM Pacific Siop, A Joint Venture ($64.3M), 5. Tetra Tech, Inc. ($49.1M), 6. Pond-Cdm Smith JV LP ($44.9M), 7. Merrick-Rs & H Joint Venture LLP ($34M), 8. Jacobs Engineering Group Inc. ($28.7M), 9. MPR Associates, Inc. ($19.6M), 10. Michael Baker International, LLC ($16.7M).

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