Top 100 Contractors in PSC C212: Engineering Drafting Services, FY2021

Name: Top 100 Contractors in PSC C212: Engineering Drafting Services, FY2021
Creator: GovTribe
License: https://creativecommons.org/licenses/by/4.0/

Parent companies by net contract obligations Oct 1, 2020 – Sep 30, 2021 Code page on GovTribe

The top 10 won 59% of FY2021 PSC C212 contract dollars

Contract obligations: $220,108,250 Net of deobligations, by contracts coded PSC C212
Contractors: 115 Parent companies with an obligation
Largest contractor: AECOM HDR Galveston JV $33.2 million, 14.0% of obligations
Data as of: Oct 14, 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	AECOM HDR Galveston JV Top agencies Army (Department of the Army)	$33,179,570	14.0%	Rank history: #17 in FY2022 and not on the FY2023–FY2025 lists; up 3 since FY2020.
2	Black & Veatch Special Projects Corp. 2 awardees Top agencies Army (Department of the Army) MDA (DOD Missile Defense Agency)	$18,327,134	7.8%	Rank history: #11 in FY2022, #4 in FY2023, #5 in FY2024 and #25 in FY2025; up 8 since FY2020.
3	Goldenwolf - Ewingcole A Joint Venture LLC Top agencies DHA (Defense Health Agency)	$13,492,062	5.7%	Rank history: not on the FY2022 list, #32 in FY2023, #65 in FY2024 and #17 in FY2025; up 109 since FY2020.
4	Hdr, Inc. 9 awardees, including HDR Engineering, Inc., HDR Architects & Engineers PC and HDR Architecture, Inc. Top agencies DOI (Department of the Interior) Army (Department of the Army) USAF (Department of the Air Force)	$12,791,881	5.4%	Rank history: #3 in FY2022, #5 in FY2023, #2 in FY2024 and #2 in FY2025; up 9 since FY2020.
5	Jacobs Government Services Company 3 awardees Top agencies DOI (Department of the Interior) Army (Department of the Army)	$11,755,998	5.0%	Rank history: #2 in FY2022, #1 in FY2023, #1 in FY2024 and #1 in FY2025; up 15 since FY2020.
6	SC Companies, Inc. Through Stanley Consultants, Inc. Top agencies Army (Department of the Army)	$11,141,155	4.7%	Rank history: #1 in FY2022, #8 in FY2023 and not on the FY2024–FY2025 lists; up 39 since FY2020.
7	Arcadis N.V. Through Arcadis U.s., Inc. Top agencies Army (Department of the Army)	$11,126,526	4.7%	Rank history: #4 in FY2022 and not on the FY2023–FY2025 lists; unchanged since FY2020.
8	AECOM 5 awardees, including AECOM International Inc., AECOM Technical Services, Inc. and URS Group, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$10,195,440	4.3%	Rank history: #7 in FY2022, #3 in FY2023, #3 in FY2024 and #68 in FY2025; down 7 since FY2020.
9	CDM Federal Services Europe Joint Venture Top agencies Army (Department of the Army)	$9,944,220	4.2%	Rank history: #20 in FY2022, #15 in FY2023, #27 in FY2024 and #38 in FY2025; down 3 since FY2020.
10	Vanasse Hangen Brustlin, Inc. 2 awardees Top agencies DOI (Department of the Interior)	$7,304,118	3.1%	Rank history: #15 in FY2022, #12 in FY2023, #15 in FY2024 and #29 in FY2025; up 64 since FY2020.
11	Jacobs Engineering Group Inc. 5 awardees, including Jacobs Government Services Company and Ch2M Hill, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force) DOI (Department of the Interior)	$6,559,057	2.8%	Rank history: #6 in FY2022, #7 in FY2023, #42 in FY2024 and not on the FY2025 list; up 1 since FY2020.
12	Science Applications International Corporation Top agencies Army (Department of the Army)	$5,000,000	2.1%	Rank history: #12 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
13	WSP USA Solutions Inc. Top agencies DOI (Department of the Interior)	$4,441,905	1.9%	Rank history: #25 in FY2022, #24 in FY2023, #53 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
14	DHM Design Corporation Top agencies DOI (Department of the Interior)	$4,205,271	1.8%	Rank history: #16 in FY2022, #51 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
15	Stantec Incorporated Through Stantec Consulting Services Inc. Top agencies DOI (Department of the Interior)	$4,163,388	1.8%	Rank history: #30 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
16	Tetra Tech, Inc. 4 awardees Top agencies Army (Department of the Army) USAF (Department of the Air Force) OSD (Office of the Secretary of Defense)	$4,144,643	1.8%	Rank history: #24 in FY2022, #10 in FY2023, #10 in FY2024 and #10 in FY2025; down 5 since FY2020.
17	Alaska Native Government Services LLC Through Copper River Technologies, LLC Top agencies WHS (DOD Washington Headquarters Service)	$3,518,625	1.5%	Rank history: #32 in FY2022, #20 in FY2023, #21 in FY2024 and #45 in FY2025; up 18 since FY2020.
18	Wood Environment & Infrastructure Solutions Inc. 2 awardees, including WSP E&Is GMBH and WSP USA Environment & Infrastructure Inc. Top agencies Army (Department of the Army) DOI (Department of the Interior)	$3,133,928	1.3%	Rank history: #27 in FY2022, #49 in FY2023 and not on the FY2024–FY2025 lists; down 3 since FY2020.
19	Louis Berger U.S. Inc. 3 awardees, including WSP USA Inc. Top agencies Army (Department of the Army)	$3,098,358	1.3%	Rank history: #10 in FY2022, #41 in FY2023 and not on the FY2024–FY2025 lists; down 5 since FY2020.
20	Buchart Horn Cardno Joint Venture Top agencies Army (Department of the Army)	$3,013,880	1.3%	Rank history: #14 in FY2022, #19 in FY2023, #18 in FY2024 and #44 in FY2025; up 5 since FY2020.
21	Mno-Bmadsen Through Seven Generations Architecture & Engineering LLC Top agencies DHA (Defense Health Agency)	$3,003,196	1.3%	Rank history: not on the FY2022–FY2025 lists; down 19 since FY2020.
22	FNI Cowi & CDM Smith JV Top agencies Army (Department of the Army)	$2,609,365	1.1%	Rank history: #18 in FY2022, #23 in FY2023, not on the FY2024 list and #34 in FY2025; down 17 since FY2020.
23	Sherlock, Smith & Adams Pagesoutherlandpage Joint Venture Top agencies DHA (Defense Health Agency)	$2,075,783	0.9%	Rank history: not on the FY2022 list, #66 in FY2023 and not on the FY2024–FY2025 lists; up 7 since FY2020.
24	N-Y Associates Inc. Top agencies Army (Department of the Army)	$1,638,163	0.7%	Rank history: #8 in FY2022, #38 in FY2023, #16 in FY2024 and #48 in FY2025; unchanged since FY2020.
25	Michael Baker International, LLC Top agencies USAF (Department of the Air Force)	$1,521,206	0.6%	Rank history: #67 in FY2022, #36 in FY2023 and not on the FY2024–FY2025 lists; up 3 since FY2020.
26	Coplan Baumann Joint Venture 3 Top agencies Army (Department of the Army)	$1,402,351	0.6%	Rank history: #33 in FY2022, #27 in FY2023, #11 in FY2024 and #16 in FY2025; up 3 since FY2020.
27	Zyscovich, LLC Top agencies DODEA (Department of Defense Education Activity) Army (Department of the Army)	$1,307,965	0.6%	Rank history: #37 in FY2022, #55 in FY2023 and not on the FY2024–FY2025 lists; up 17 since FY2020.
28	EXP U.S. Services Inc. Through EXP Federal Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$1,300,042	0.5%	Rank history: #21 in FY2022, #35 in FY2023 and not on the FY2024–FY2025 lists; down 19 since FY2020.
29	Smithgroup Companies, Inc. Through Smithgroup, Inc. Top agencies EPA (Environmental Protection Agency)	$1,129,364	0.5%	Rank history: #43 in FY2022, #47 in FY2023, #94 in FY2024 and not on the FY2025 list; up 33 since FY2020.
30	Alden Research Laboratory, LLC Top agencies Army (Department of the Army)	$1,097,266	0.5%	Rank history: #80 in FY2022, #77 in FY2023 and not on the FY2024–FY2025 lists; up 7 since FY2020.
31	Linfield, Hunter & Junius, Inc. Top agencies Army (Department of the Army)	$1,093,177	0.5%	Rank history: #9 in FY2022, #85 in FY2023, #26 in FY2024 and #59 in FY2025; up 66 since FY2020.
32	Top Way for Commercial Services & Car Rent Ltd Top agencies USSOCOM (United States Special Operations Command)	$1,017,273	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
33	Rtkl / SSR JV Top agencies USUHS (DOD Uniformed Services University of the Health Sciences)	$987,932	0.4%	Rank history: #5 in FY2022, #31 in FY2023, not on the FY2024 list and #28 in FY2025; up 77 since FY2020.
34	Aims Group Inc. Top agencies Army (Department of the Army)	$966,834	0.4%	Rank history: not on the FY2022–FY2023 lists, #28 in FY2024 and #3 in FY2025; down 17 since FY2020.
35	Industrieanlagen- Betriebsgesellschaft MIT Beschrankter Haftung Through Industrieanlagen-Betriebsgesellschaft MIT Beschränkter Haftung Top agencies Army (Department of the Army)	$914,714	0.4%	Rank history: #28 in FY2022, #9 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
36	Atlantic Design Group, LLC Top agencies DHA (Defense Health Agency)	$896,277	0.4%	Rank history: not on the FY2022–FY2025 lists; up 59 since FY2020.
37	Fivengineering LLC Top agencies Army (Department of the Army)	$815,506	0.3%	Rank history: #65 in FY2022, #67 in FY2023, #79 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
38	Croft and Associates, Inc. Top agencies DOI (Department of the Interior)	$758,000	0.3%	Rank history: not on the FY2022 list, #76 in FY2023 and not on the FY2024–FY2025 lists; up 14 since FY2020.
39	Florabama Geospatial Solutions, LLC Top agencies Army (Department of the Army)	$742,235	0.3%	Rank history: #59 in FY2022 and not on the FY2023–FY2025 lists; up 74 since FY2020.
40	Fugro Geospatial Inc. Through Fugro Consult GMBH Top agencies Army (Department of the Army)	$685,864	0.3%	Rank history: not on the FY2022–FY2025 lists; unchanged since FY2020.
41	Gf-D JV Top agencies Army (Department of the Army)	$670,612	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
42	Ashford Leebcor Enterprises II LLC Top agencies DLA (Defense Logistics Agency)	$656,363	0.3%	Rank history: not on the FY2022–FY2025 lists; down 20 since FY2020.
43	Stanley-Dowl JV Top agencies DOI (Department of the Interior)	$623,020	0.3%	Rank history: #22 in FY2022, #14 in FY2023, #12 in FY2024 and #4 in FY2025; new, not ranked in FY2020.
44	Health Facility Solutions Company Top agencies Army (Department of the Army)	$610,605	0.3%	Rank history: #46 in FY2022 and not on the FY2023–FY2025 lists; up 3 since FY2020.
45	Kenneth Hahn Architects Inc. Top agencies DOI (Department of the Interior)	$584,728	0.2%	Rank history: #85 in FY2022 and not on the FY2023–FY2025 lists; up 44 since FY2020.
46	Bluestone Environmental Group, Inc. Top agencies Army (Department of the Army)	$560,051	0.2%	Rank history: #35 in FY2022, #48 in FY2023, #68 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
47	A.i.c.e. Consulting - S.R.L. Top agencies Army (Department of the Army)	$554,617	0.2%	Rank history: #56 in FY2022, #82 in FY2023, #46 in FY2024 and #50 in FY2025; down 20 since FY2020.
48	Ch2M - B&V A Joint Venture Top agencies Army (Department of the Army)	$551,705	0.2%	Rank history: not on the FY2022–FY2023 lists, #59 in FY2024 and not on the FY2025 list; down 7 since FY2020.
49	Westeast Design Group, LLC Top agencies Army (Department of the Army)	$511,123	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
50	Ice & Dannenbaum JV Top agencies Army (Department of the Army)	$491,628	0.2%	Rank history: not on the FY2022–FY2025 lists; down 12 since FY2020.
51	Stanley-Wsp Joint Venture Top agencies Army (Department of the Army)	$432,774	0.2%	Rank history: #39 in FY2022, #22 in FY2023, #19 in FY2024 and #40 in FY2025; down 30 since FY2020.
52	Stanley - Cowi Joint Venture Top agencies Army (Department of the Army)	$419,403	0.2%	Rank history: not on the FY2022 list, #13 in FY2023, not on the FY2024 list and #47 in FY2025; down 34 since FY2020.
53	Toland Mizell Molnar LLC Top agencies VA (Department of Veterans Affairs)	$411,881	0.2%	Rank history: #55 in FY2022 and not on the FY2023–FY2025 lists; up 26 since FY2020.
54	Cromwell Architects Engineers, Inc. Top agencies Army (Department of the Army)	$400,297	0.2%	Rank history: #44 in FY2022, #91 in FY2023, #62 in FY2024 and not on the FY2025 list; down 5 since FY2020.
55	HDR Engineering Inc. Top agencies Army (Department of the Army)	$377,404	0.2%	Rank history: not on the FY2022–FY2025 lists; up 6 since FY2020.
56	Eustis Engineering, L.L.C. Top agencies Army (Department of the Army)	$376,191	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
57	AECOM International Inc. Top agencies Army (Department of the Army)	$368,195	0.2%	Rank history: #92 in FY2022, not on the FY2023 list, #4 in FY2024 and #6 in FY2025; up 30 since FY2020.
58	Engineering & Environment, Inc. Top agencies Army (Department of the Army)	$348,019	0.1%	Rank history: not on the FY2022–FY2023 lists, #61 in FY2024 and not on the FY2025 list; up 7 since FY2020.
59	Dj&A, P.C. Top agencies DOI (Department of the Interior)	$341,230	0.1%	Rank history: #13 in FY2022, #28 in FY2023, #14 in FY2024 and #19 in FY2025; new, not ranked in FY2020.
60	Gahagan & Bryant Associates, Inc. Top agencies Army (Department of the Army)	$338,223	0.1%	Rank history: #71 in FY2022 and not on the FY2023–FY2025 lists; down 37 since FY2020.
61	Riper, Drew Van Top agencies DOJ (Department of Justice)	$313,918	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
62	Premier Stanley JV LLC Top agencies Army (Department of the Army)	$313,310	0.1%	Rank history: #83 in FY2022 and not on the FY2023–FY2025 lists; up 6 since FY2020.
63	Alberto Izzo & Partners S.R.L. Top agencies Army (Department of the Army)	$301,640	0.1%	Rank history: #53 in FY2022, #46 in FY2023, #74 in FY2024 and #42 in FY2025; down 6 since FY2020.
64	Gsbs, P.C. Top agencies USAF (Department of the Air Force)	$278,973	0.1%	Rank history: #89 in FY2022, #79 in FY2023, #76 in FY2024 and not on the FY2025 list; up 37 since FY2020.
65	LEO a Daly and Huitt Zollars, a Joint Venture Through LEO A. Daly LLC Top agencies Army (Department of the Army)	$274,911	0.1%	Rank history: #26 in FY2022 and not on the FY2023–FY2025 lists; down 9 since FY2020.
66	Gwwo, Inc. Top agencies DOI (Department of the Interior)	$249,252	0.1%	Rank history: #57 in FY2022, #62 in FY2023, #66 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
67	Thomas J. Davis, Inc. Top agencies Army (Department of the Army)	$246,779	0.1%	Rank history: not on the FY2022–FY2025 lists; down 34 since FY2020.
68	Natural Resource Innovations GMBH Top agencies Army (Department of the Army)	$231,050	0.1%	Rank history: #52 in FY2022, #69 in FY2023 and not on the FY2024–FY2025 lists; down 42 since FY2020.
69	AECOM Technical Services, Inc. Top agencies Army (Department of the Army)	$226,803	0.1%	Rank history: not on the FY2022–FY2023 lists, #7 in FY2024 and #13 in FY2025; new, not ranked in FY2020.
70	Nelson Engineering Top agencies DOI (Department of the Interior)	$214,360	0.1%	Rank history: #95 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
71	Miller-Stephenson & Associates, P.C. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$205,283	0.1%	Rank history: #87 in FY2022 and not on the FY2023–FY2025 lists; down 1 since FY2020.
72	MWM JV2 LLC Top agencies DOI (Department of the Interior)	$195,801	0.1%	Rank history: #31 in FY2022, #52 in FY2023, #33 in FY2024 and #35 in FY2025; new, not ranked in FY2020.
73	Holladay Engineering Company Top agencies DOI (Department of the Interior)	$194,532	0.1%	Rank history: #38 in FY2022, #40 in FY2023, #17 in FY2024 and #66 in FY2025; new, not ranked in FY2020.
74	Ilsi-Arcadis Small Business Joint Venture LLC Top agencies Army (Department of the Army)	$184,890	0.1%	Rank history: #29 in FY2022, #26 in FY2023, #63 in FY2024 and not on the FY2025 list; down 10 since FY2020.
75	Tunnell Spangler & Associates Inc. Top agencies USDA (Department of Agriculture)	$180,253	0.1%	Rank history: #76 in FY2022, #78 in FY2023, #77 in FY2024 and not on the FY2025 list; up 33 since FY2020.
76	Project Solutions, Inc. Top agencies DOI (Department of the Interior)	$178,585	0.1%	Rank history: not on the FY2022 list, #100 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
77	Architectural Nexus, Inc. Top agencies USAF (Department of the Air Force)	$176,672	0.1%	Rank history: not on the FY2022 list, #59 in FY2023, #92 in FY2024 and not on the FY2025 list; down 43 since FY2020.
78	Crsa, Inc. Top agencies USAF (Department of the Air Force)	$173,407	0.1%	Rank history: #50 in FY2022, #45 in FY2023, #45 in FY2024 and #73 in FY2025; down 24 since FY2020.
79	WHR Architects, Inc. Through Page Southerland Page, Inc. Top agencies DOI (Department of the Interior)	$154,464	0.1%	Rank history: #99 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
80	AJC Architects, P.C. Top agencies USAF (Department of the Air Force)	$146,981	0.1%	Rank history: #45 in FY2022, #39 in FY2023, #35 in FY2024 and #46 in FY2025; down 37 since FY2020.
81	Afognak Native Corporation Through "Alutiiq Logistics & Maintenance Services, Llc" Top agencies DHA (Defense Health Agency)	$146,577	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
82	Strategic Value Solutions, Inc. Top agencies Army (Department of the Army)	$127,398	0.1%	Rank history: #81 in FY2022, #74 in FY2023, #67 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
83	LGA Institut FÜR Umweltgeologie UND Altlasten GMBH Top agencies Army (Department of the Army)	$125,138	0.1%	Rank history: #91 in FY2022 and not on the FY2023–FY2025 lists; down 64 since FY2020.
84	KZF Design Inc. Top agencies DODEA (Department of Defense Education Activity)	$114,804	<0.1%	Rank history: #72 in FY2022, #18 in FY2023 and not on the FY2024–FY2025 lists; down 68 since FY2020.
85	Nana Regional Corporation Inc Through Tuva LLC Top agencies DHS (Department of Homeland Security)	$105,621	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
86	Axim Geospatial LLC Top agencies Army (Department of the Army)	$96,765	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
87	Geodynamics LLC Top agencies Army (Department of the Army)	$84,619	<0.1%	Rank history: not on the FY2022–FY2024 lists and #81 in FY2025; up 6 since FY2020.
88	Kallen & Lemelson, LLP Top agencies VA (Department of Veterans Affairs)	$64,163	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
89	Beaufort Engineering Services, Inc. Top agencies VA (Department of Veterans Affairs)	$63,234	<0.1%	Rank history: #84 in FY2022 and not on the FY2023–FY2025 lists; down 12 since FY2020.
90	Lord, Aeck & Sargent, Inc. Top agencies DOI (Department of the Interior)	$46,918	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 17 since FY2020.
91	Watson Tate Savory Liollio Architecture, Inc. Through Liollio Architecture PC Top agencies DOI (Department of the Interior)	$30,683	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 59 since FY2020.
92	Silver Falcon Contracting and Trading Company WLL Top agencies Army (Department of the Army)	$29,850	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
93	Court Record & Data Management Services, Inc. Top agencies USAF (Department of the Air Force)	$28,800	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
94	Bowers + Kubota Consulting, Inc. Through Bowers + Kubota Management, Inc. Top agencies Army (Department of the Army)	$24,787	<0.1%	Rank history: #93 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
95	DMR Consulting, Inc. Top agencies USAF (Department of the Air Force)	$24,366	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
96	Quantum Technology Group LLC Top agencies DHS (Department of Homeland Security)	$23,432	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
97	Waterway Surveys and Engineering, Ltd. Top agencies Army (Department of the Army)	$19,000	<0.1%	Rank history: #69 in FY2022, #89 in FY2023, #70 in FY2024 and not on the FY2025 list; up 8 since FY2020.
98	Mason Architects, Inc. Top agencies AOUSC (Administrative Office of the U.S. Courts)	$18,598	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
99	Quinn Evans Architects Inc. Top agencies DOI (Department of the Interior)	$18,527	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
100	University of Southern California Top agencies Army (Department of the Army)	$18,144	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.

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100 of 115 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 $236 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. 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 2021 ran Oct 1, 2020 – Sep 30, 2021. 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 FY2020. "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 FY2020 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 C212 contractors in FY2021?

1. AECOM HDR Galveston JV ($33.2M), 2. Black & Veatch Special Projects Corp. ($18.3M), 3. Goldenwolf - Ewingcole A Joint Venture LLC ($13.5M), 4. Hdr, Inc. ($12.8M), 5. Jacobs Government Services Company ($11.8M), 6. SC Companies, Inc. ($11.1M), 7. Arcadis N.V. ($11.1M), 8. AECOM ($10.2M), 9. CDM Federal Services Europe Joint Venture ($9.94M), 10. Vanasse Hangen Brustlin, Inc. ($7.3M).

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