Top 100 Contractors in PSC C1AA: Architect and Engineering – Construction: Office Buildings, FY2022

Name: Top 100 Contractors in PSC C1AA: Architect and Engineering – Construction: Office Buildings, FY2022
Creator: GovTribe
License: https://creativecommons.org/licenses/by/4.0/

Parent companies by net contract obligations Oct 1, 2021 – Sep 30, 2022 Code page on GovTribe

The top 10 won 80% of FY2022 PSC C1AA contract dollars

Contract obligations: $586,048,414 Net of deobligations, by contracts coded PSC C1AA
Contractors: 222 Parent companies with an obligation
Largest contractor: B.l. Harbert Holdings, L.L.C. $294 million, 49.5% of obligations
Data as of: Oct 14, 2026

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

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	B.l. Harbert Holdings, L.L.C. Through BL Harbert International LLC Top agencies DOS (Department of State)	$293,559,360	49.5%	Rank history: #1 in FY2021, #1 in FY2023, #2 in FY2024 and not on the FY2025 list; unchanged since FY2021.
2	Grunley Construction Co., Inc. Top agencies USDA (Department of Agriculture)	$114,092,000	19.2%	Rank history: not on the FY2021 list, #24 in FY2023, #28 in FY2024 and #41 in FY2025; new.
3	Parsons Corporation Through Parsons Government Services Inc. Top agencies DOL (Department of Labor)	$21,787,740	3.7%	Rank history: #3 in FY2021, #14 in FY2023, #9 in FY2024 and not on the FY2025 list; unchanged since FY2021.
4	Chickasaw Defense Logistics, LLC Top agencies Army (Department of the Army)	$12,093,174	2.0%	Rank history: #9 in FY2021, #8 in FY2023, #84 in FY2024 and not on the FY2025 list; up 5 since FY2021.
5	Trane U.s. Inc. Top agencies GSA (General Services Administration)	$8,399,363	1.4%	Rank history: not on the FY2021 list, not on the FY2023 list, #6 in FY2024 and #6 in FY2025; new.
6	Summer Consultants, Inc. Top agencies GSA (General Services Administration) HHS (Department of Health and Human Services) SSA (Social Security Administration)	$7,228,778	1.2%	Rank history: #13 in FY2021 and not on the FY2023–FY2025 lists; up 7 since FY2021.
7	Pernix Group, Inc. Top agencies DOS (Department of State)	$7,000,000	1.2%	Rank history: #7 in FY2021 and not on the FY2023–FY2025 lists; unchanged since FY2021.
8	Quinlivan Pierik & Krause - Architects / Engineers LLP Top agencies Army (Department of the Army)	$4,471,936	0.8%	Rank history: not on the FY2021 list, not on the FY2023–FY2024 lists and #81 in FY2025; new.
9	GBR Architects LLC Top agencies HHS (Department of Health and Human Services) GSA (General Services Administration) USAID (US Agency for International Development)	$4,455,854	0.8%	Rank history: #30 in FY2021, #66 in FY2023 and not on the FY2024–FY2025 lists; up 21 since FY2021.
10	Repaintex Company Top agencies USAID (US Agency for International Development)	$3,561,821	0.6%	Rank history: not on the FY2021 list, #17 in FY2023 and not on the FY2024–FY2025 lists; up 144 since FY2021.
11	AECOM 4 awardees, including AECOM Technical Services, Inc. and AECOM Services, LLC Top agencies USAF (Department of the Air Force) USAGM (US Agency for Global Media) NASA (National Aeronautics and Space Administration)	$3,101,887	0.5%	Rank history: #5 in FY2021, #51 in FY2023, #42 in FY2024 and not on the FY2025 list; down 6 since FY2021.
12	EXP U.S. Services Inc. 2 awardees, including EXP Federal Inc. Top agencies DOT (Department of Transportation) Army (Department of the Army)	$3,050,388	0.5%	Rank history: not on the FY2021 list, #23 in FY2023 and not on the FY2024–FY2025 lists; up 110 since FY2021.
13	Ocean Construction LLC Top agencies DOT (Department of Transportation)	$3,046,730	0.5%	Rank history: not on the FY2021 list, #74 in FY2023 and not on the FY2024–FY2025 lists; new.
14	WHR Architects, Inc. Through Page Southerland Page, Inc. Top agencies DHS (Department of Homeland Security) DOS (Department of State)	$3,004,788	0.5%	Rank history: #2 in FY2021 and not on the FY2023–FY2025 lists; down 12 since FY2021.
15	Tate Snyder Kimsey Architects, Ltd. Top agencies GSA (General Services Administration) DOJ (Department of Justice)	$2,646,482	0.4%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 131 since FY2021.
16	Signature Renovations LLC Top agencies DOJ (Department of Justice)	$2,314,794	0.4%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
17	Andrew C Chen 3 awardees, including Tectonics A & E LLC Top agencies Navy (Department of the Navy) GSA (General Services Administration)	$2,185,256	0.4%	Rank history: #18 in FY2021, #16 in FY2023 and not on the FY2024–FY2025 lists; up 1 since FY2021.
18	Smith-Miller + Hawkinson Architects, LLP Top agencies GSA (General Services Administration)	$2,042,533	0.3%	Rank history: not on the FY2021 list, #45 in FY2023, #48 in FY2024 and #4 in FY2025; new.
19	Esc-Dpi JV Top agencies USAF (Department of the Air Force)	$2,015,538	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
20	Arcadis-Daly-Exp JV Top agencies USAF (Department of the Air Force)	$2,014,250	0.3%	Rank history: not on the FY2021 list, not on the FY2023–FY2024 lists and #77 in FY2025; new.
21	Mtfa Architecture, P.L.L.C. Top agencies Navy (Department of the Navy) GSA (General Services Administration) VA (Department of Veterans Affairs)	$1,956,309	0.3%	Rank history: #43 in FY2021, #21 in FY2023, #12 in FY2024 and #16 in FY2025; up 22 since FY2021.
22	Dattner Architects DPC Top agencies GSA (General Services Administration) AOUSC (Administrative Office of the U.S. Courts)	$1,942,373	0.3%	Rank history: #12 in FY2021, #15 in FY2023, #3 in FY2024 and #8 in FY2025; down 10 since FY2021.
23	Firelake-Diversified JV2 LLC Top agencies DOT (Department of Transportation)	$1,819,536	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
24	Bbix LLC Top agencies GSA (General Services Administration) DOI (Department of the Interior) DHS (Department of Homeland Security)	$1,768,777	0.3%	Rank history: #29 in FY2021 and not on the FY2023–FY2025 lists; up 5 since FY2021.
25	Oak Point Associates Top agencies GSA (General Services Administration) DHS (Department of Homeland Security) SSA (Social Security Administration)	$1,735,201	0.3%	Rank history: #24 in FY2021, #37 in FY2023, #41 in FY2024 and not on the FY2025 list; down 1 since FY2021.
26	Setty & Associates International PLLC Top agencies GSA (General Services Administration)	$1,638,460	0.3%	Rank history: #70 in FY2021, #32 in FY2023, #29 in FY2024 and not on the FY2025 list; up 44 since FY2021.
27	Arkel Ortadogu JV LLC Top agencies DOS (Department of State)	$1,636,633	0.3%	Rank history: #33 in FY2021 and not on the FY2023–FY2025 lists; up 6 since FY2021.
28	Gana-A' Yoo, Limited Through Kaiyuh Services, LLC Top agencies GSA (General Services Administration)	$1,594,345	0.3%	Rank history: not on the FY2021 list, #49 in FY2023 and not on the FY2024–FY2025 lists; new.
29	Wold Architects Incorporated Top agencies GSA (General Services Administration) DHS (Department of Homeland Security) SSA (Social Security Administration)	$1,548,028	0.3%	Rank history: #59 in FY2021 and not on the FY2023–FY2025 lists; up 30 since FY2021.
30	Davis Brody Bond-Spacesmith A Joint Venture Top agencies GSA (General Services Administration)	$1,534,886	0.3%	Rank history: not on the FY2021 list, #6 in FY2023, #45 in FY2024 and #19 in FY2025; new.
31	Page Southerland Page, Inc. Through Page Federal Solutions, LLC Top agencies DOS (Department of State)	$1,498,851	0.3%	Rank history: not on the FY2021 list, #65 in FY2023, #63 in FY2024 and #17 in FY2025; new.
32	Peak Resource Conservation Inc. Top agencies GSA (General Services Administration)	$1,485,343	0.3%	Rank history: #74 in FY2021, not on the FY2023 list, #81 in FY2024 and not on the FY2025 list; up 42 since FY2021.
33	Line and Space, LLC Top agencies GSA (General Services Administration) AOUSC (Administrative Office of the U.S. Courts)	$1,482,168	0.2%	Rank history: #23 in FY2021, #18 in FY2023, #18 in FY2024 and #26 in FY2025; down 10 since FY2021.
34	Bailey Edward Design, Inc. Top agencies GSA (General Services Administration) DOJ (Department of Justice) Army (Department of the Army)	$1,471,615	0.2%	Rank history: #46 in FY2021, #35 in FY2023, #37 in FY2024 and #59 in FY2025; up 12 since FY2021.
35	Studio Petretti Architecture LLC Top agencies GSA (General Services Administration) AOUSC (Administrative Office of the U.S. Courts)	$1,466,382	0.2%	Rank history: #71 in FY2021 and not on the FY2023–FY2025 lists; up 36 since FY2021.
36	Rosche / 888 First Street, N.e. L.L.C. Top agencies DOE (Department of Energy)	$1,399,975	0.2%	Rank history: #37 in FY2021, #40 in FY2023, #32 in FY2024 and #27 in FY2025; up 1 since FY2021.
37	Caddell Construction Co., Inc. Through Caddell Construction Co. (De), LLC Top agencies DOS (Department of State)	$1,393,009	0.2%	Rank history: #14 in FY2021, #11 in FY2023, #62 in FY2024 and not on the FY2025 list; down 23 since FY2021.
38	Atkins Nuclear Secured Holdings Corporation Through Atkins North America, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$1,369,575	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 97 since FY2021.
39	Architrave P.C. Top agencies GSA (General Services Administration)	$1,367,279	0.2%	Rank history: not on the FY2021 list, #94 in FY2023, #39 in FY2024 and not on the FY2025 list; up 91 since FY2021.
40	Steven Kahle Architects, Inc. Top agencies GSA (General Services Administration) Treasury (Department of the Treasury) HHS (Department of Health and Human Services)	$1,353,504	0.2%	Rank history: #67 in FY2021, #97 in FY2023, #58 in FY2024 and #99 in FY2025; up 27 since FY2021.
41	AE Works Ltd Top agencies VA (Department of Veterans Affairs)	$1,290,047	0.2%	Rank history: #40 in FY2021, #12 in FY2023 and not on the FY2024–FY2025 lists; down 1 since FY2021.
42	Baysinger-Bric JV Top agencies Army (Department of the Army) GSA (General Services Administration)	$1,234,371	0.2%	Rank history: #100 in FY2021, #87 in FY2023, #44 in FY2024 and #69 in FY2025; up 58 since FY2021.
43	Alares LLC Top agencies GSA (General Services Administration) Treasury (Department of the Treasury) AOUSC (Administrative Office of the U.S. Courts)	$1,220,859	0.2%	Rank history: #57 in FY2021, not on the FY2023 list, #52 in FY2024 and not on the FY2025 list; up 14 since FY2021.
44	Henry Adams, LLC Top agencies SSA (Social Security Administration) GSA (General Services Administration) VA (Department of Veterans Affairs)	$1,198,420	0.2%	Rank history: #20 in FY2021, #88 in FY2023, #67 in FY2024 and not on the FY2025 list; down 24 since FY2021.
45	K2A, LLP Top agencies GSA (General Services Administration)	$1,151,153	0.2%	Rank history: #68 in FY2021, #82 in FY2023, #59 in FY2024 and not on the FY2025 list; up 23 since FY2021.
46	Krueck & Sexton Architects, Ltd Top agencies GSA (General Services Administration)	$1,089,391	0.2%	Rank history: #4 in FY2021, not on the FY2023 list, #71 in FY2024 and #52 in FY2025; down 42 since FY2021.
47	Bell Architects, P.C Top agencies GSA (General Services Administration)	$1,067,047	0.2%	Rank history: #38 in FY2021, not on the FY2023 list, #80 in FY2024 and not on the FY2025 list; down 9 since FY2021.
48	Nve, Inc. Top agencies DOS (Department of State)	$1,055,000	0.2%	Rank history: #22 in FY2021 and not on the FY2023–FY2025 lists; down 26 since FY2021.
49	Raymond Global, Inc. Top agencies USAF (Department of the Air Force) DOS (Department of State)	$1,012,105	0.2%	Rank history: #44 in FY2021 and not on the FY2023–FY2025 lists; down 5 since FY2021.
50	G.h. Forbes Associates Architects, P.C. Top agencies GSA (General Services Administration) DOS (Department of State) DHS (Department of Homeland Security)	$1,003,329	0.2%	Rank history: #28 in FY2021, #63 in FY2023, #30 in FY2024 and #35 in FY2025; down 22 since FY2021.
51	KOO LLC Top agencies GSA (General Services Administration) DHS (Department of Homeland Security) AOUSC (Administrative Office of the U.S. Courts)	$950,479	0.2%	Rank history: #88 in FY2021, #54 in FY2023, #50 in FY2024 and #98 in FY2025; up 37 since FY2021.
52	Colby Co LLC Top agencies GSA (General Services Administration) DHS (Department of Homeland Security) DOL (Department of Labor)	$899,813	0.2%	Rank history: #77 in FY2021, not on the FY2023 list, #86 in FY2024 and #62 in FY2025; up 25 since FY2021.
53	EBL Engineers, LLC Top agencies HHS (Department of Health and Human Services) GSA (General Services Administration)	$860,849	0.1%	Rank history: #50 in FY2021, #57 in FY2023, #49 in FY2024 and not on the FY2025 list; down 3 since FY2021.
54	Nicklaus Engineering, Inc. Top agencies USAF (Department of the Air Force)	$799,624	0.1%	Rank history: not on the FY2021 list, #22 in FY2023 and not on the FY2024–FY2025 lists; new.
55	Perkins Eastman Architects DPC Top agencies GSA (General Services Administration)	$797,923	0.1%	Rank history: #21 in FY2021, #59 in FY2023, #87 in FY2024 and not on the FY2025 list; down 34 since FY2021.
56	Gushiken-Pae JV Top agencies Navy (Department of the Navy)	$786,866	0.1%	Rank history: not on the FY2021 list, #99 in FY2023 and not on the FY2024–FY2025 lists; new.
57	SG Engineering Inc. Top agencies Navy (Department of the Navy)	$777,098	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
58	Wiley Wilson Burns & Mcdonnell Joint Venture Top agencies Navy (Department of the Navy)	$775,993	0.1%	Rank history: #39 in FY2021, #42 in FY2023, #19 in FY2024 and #56 in FY2025; down 19 since FY2021.
59	Enercon Ltd Top agencies GSA (General Services Administration) AOUSC (Administrative Office of the U.S. Courts)	$765,056	0.1%	Rank history: #55 in FY2021, #56 in FY2023, #25 in FY2024 and #57 in FY2025; down 4 since FY2021.
60	Mtfa Architecture, Inc. Top agencies Navy (Department of the Navy) DOS (Department of State) VA (Department of Veterans Affairs)	$764,524	0.1%	Rank history: #36 in FY2021, #30 in FY2023, not on the FY2024 list and #12 in FY2025; down 24 since FY2021.
61	Joseph David Associates LLC Top agencies DOI (Department of the Interior)	$753,056	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 144 since FY2021.
62	Wiss, Janney, Elstner Associates, Inc. Top agencies GSA (General Services Administration) AOUSC (Administrative Office of the U.S. Courts)	$746,813	0.1%	Rank history: not on the FY2021 list, #55 in FY2023, #24 in FY2024 and #44 in FY2025; up 41 since FY2021.
63	Prairie Engineers, P.C. Top agencies USAF (Department of the Air Force)	$741,494	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
64	Mills & Schnoering Architects LLC Top agencies GSA (General Services Administration)	$732,452	0.1%	Rank history: not on the FY2021 list, #71 in FY2023, #57 in FY2024 and not on the FY2025 list; new.
65	HOK Group, Inc. Through Hellmuth, Obata & Kassabaum, Inc. Top agencies GSA (General Services Administration)	$674,957	0.1%	Rank history: #52 in FY2021, #39 in FY2023, #74 in FY2024 and not on the FY2025 list; down 13 since FY2021.
66	Kenneth Hahn Architects Inc. Top agencies USAF (Department of the Air Force)	$641,308	0.1%	Rank history: #47 in FY2021, not on the FY2023 list, #96 in FY2024 and #73 in FY2025; down 19 since FY2021.
67	Elevar Design Group Inc. Top agencies GSA (General Services Administration) AOUSC (Administrative Office of the U.S. Courts) EPA (Environmental Protection Agency)	$639,353	0.1%	Rank history: #66 in FY2021, #50 in FY2023, #69 in FY2024 and #68 in FY2025; down 1 since FY2021.
68	Raymond Pond Enterprise Solutions JV LLC Top agencies USAF (Department of the Air Force)	$636,031	0.1%	Rank history: not on the FY2021 list, #83 in FY2023, #66 in FY2024 and not on the FY2025 list; new.
69	Iveco SUD-West Nutzfahrzeuge GMBH Through Ati, Inc. Top agencies HHS (Department of Health and Human Services)	$630,067	0.1%	Rank history: #83 in FY2021, #85 in FY2023 and not on the FY2024–FY2025 lists; up 14 since FY2021.
70	O'Brien & Gere Engineers Inc. Through Ramboll Americas Engineering Solutions Inc. Top agencies Army (Department of the Army)	$606,598	0.1%	Rank history: #45 in FY2021 and not on the FY2023–FY2025 lists; down 25 since FY2021.
71	Burns & Mcdonnell, Inc. 2 awardees, including Burns & Mcdonnell Engineering Company, Inc. Top agencies DOT (Department of Transportation) USAF (Department of the Air Force)	$590,018	0.1%	Rank history: #26 in FY2021, not on the FY2023 list, #5 in FY2024 and not on the FY2025 list; down 45 since FY2021.
72	Cape Environmental Management Inc. Top agencies Navy (Department of the Navy)	$573,071	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
73	N.k. Bhandari, Architecture & Engineering, P.C. Top agencies GSA (General Services Administration)	$562,169	0.1%	Rank history: #56 in FY2021, #25 in FY2023, #14 in FY2024 and #15 in FY2025; down 17 since FY2021.
74	Development One Inc Top agencies GSA (General Services Administration) DOJ (Department of Justice)	$561,932	0.1%	Rank history: not on the FY2021 list, #29 in FY2023, #26 in FY2024 and #93 in FY2025; new.
75	G.m. Hill Engineering, Inc. Top agencies EPA (Environmental Protection Agency)	$559,024	0.1%	Rank history: #54 in FY2021 and not on the FY2023–FY2025 lists; down 21 since FY2021.
76	Engineering Design Management P.C. Top agencies GSA (General Services Administration) DHS (Department of Homeland Security) AOUSC (Administrative Office of the U.S. Courts)	$556,667	0.1%	Rank history: #60 in FY2021, #80 in FY2023, #83 in FY2024 and not on the FY2025 list; down 16 since FY2021.
77	Engenium Group L.L.C. Top agencies GSA (General Services Administration)	$547,254	0.1%	Rank history: #65 in FY2021, #62 in FY2023 and not on the FY2024–FY2025 lists; down 12 since FY2021.
78	Peterson Engineering LLC Top agencies USAF (Department of the Air Force)	$541,574	0.1%	Rank history: #85 in FY2021 and not on the FY2023–FY2025 lists; up 7 since FY2021.
79	Design Build Consortium, LLC Top agencies VA (Department of Veterans Affairs)	$538,568	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
80	The Tatitlek Corporation Through Tatitlek Technologies, LLC Top agencies DOS (Department of State)	$524,140	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
81	Metro CD Engineering, LLC Top agencies GSA (General Services Administration) NARA (National Archives and Records Administration) DHS (Department of Homeland Security)	$510,862	0.1%	Rank history: #63 in FY2021, #92 in FY2023 and not on the FY2024–FY2025 lists; down 18 since FY2021.
82	Neumann Monson, Inc. Top agencies GSA (General Services Administration)	$508,772	0.1%	Rank history: not on the FY2021 list, not on the FY2023 list, #92 in FY2024 and not on the FY2025 list; new.
83	Hanson Group Inc. Through Hanson Professional Services, Inc. Top agencies DOS (Department of State)	$496,000	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
84	Utility Works A Joint Venture Top agencies Navy (Department of the Navy)	$494,519	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
85	Shea Carr & Jewell, Inc. Top agencies DOI (Department of the Interior)	$455,890	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
86	Drive Construction Inc. Top agencies DHS (Department of Homeland Security)	$449,830	0.1%	Rank history: #78 in FY2021 and not on the FY2023–FY2025 lists; down 8 since FY2021.
87	Walter P Moore & Associates Inc. 2 awardees Top agencies GSA (General Services Administration)	$443,500	0.1%	Rank history: #89 in FY2021 and not on the FY2023–FY2025 lists; up 2 since FY2021.
88	Hdr, Inc. 3 awardees, including HDR Environmental, Operations and Construction, Inc., HDR Engineering Inc. and Hdr-Cmt Joint Venture Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$424,748	0.1%	Rank history: not on the FY2021 list, not on the FY2023–FY2024 lists and #14 in FY2025; up 31 since FY2021.
89	The Johnson-Mcadams Firm, P.a. Top agencies USAF (Department of the Air Force)	$419,063	0.1%	Rank history: not on the FY2021 list, #38 in FY2023, #90 in FY2024 and not on the FY2025 list; up 85 since FY2021.
90	Etegra, Inc. Top agencies USAF (Department of the Air Force)	$414,286	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 16 since FY2021.
91	Insynergy Engineering Inc. Top agencies Army (Department of the Army)	$411,723	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
92	Pond-Cdm Smith JV LP Top agencies USAF (Department of the Air Force)	$408,523	0.1%	Rank history: not on the FY2021 list, not on the FY2023–FY2024 lists and #97 in FY2025; up 83 since FY2021.
93	ECH Architecture PS Top agencies GSA (General Services Administration) AOUSC (Administrative Office of the U.S. Courts) HHS (Department of Health and Human Services)	$402,776	0.1%	Rank history: not on the FY2021 list, #76 in FY2023, #47 in FY2024 and not on the FY2025 list; up 9 since FY2021.
94	Hollingsworth-Pack Corporation Top agencies DOS (Department of State)	$399,853	0.1%	Rank history: not on the FY2021 list, #61 in FY2023 and not on the FY2024–FY2025 lists; up 31 since FY2021.
95	Mno-Bmadsen Through Seven Generations Architecture & Engineering LLC Top agencies GSA (General Services Administration)	$399,011	0.1%	Rank history: #62 in FY2021 and not on the FY2023–FY2025 lists; down 33 since FY2021.
96	Schmidt-Prime Group, LLC Top agencies USAF (Department of the Air Force)	$394,465	0.1%	Rank history: not on the FY2021 list, #98 in FY2023, not on the FY2024 list and #43 in FY2025; new.
97	Micro Systems Consultants, Inc. Top agencies DOS (Department of State)	$391,038	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 45 since FY2021.
98	Wsp-Mh JV Top agencies USAF (Department of the Air Force)	$383,910	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 112 since FY2021.
99	Seay Seay & Litchfield PC Top agencies USAF (Department of the Air Force)	$381,386	0.1%	Rank history: #27 in FY2021, #44 in FY2023, #72 in FY2024 and not on the FY2025 list; down 72 since FY2021.
100	Snow Kreilich Architects Inc. Top agencies GSA (General Services Administration)	$370,928	0.1%	Rank history: not on the FY2021 list, #3 in FY2023, #61 in FY2024 and #18 in FY2025; up 58 since FY2021.

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100 of 222 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 $593 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 2022 ran Oct 1, 2021 – Sep 30, 2022. 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 FY2021. "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 FY2021 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 C1AA contractors in FY2022?

1. B.l. Harbert Holdings, L.L.C. ($294M), 2. Grunley Construction Co., Inc. ($114M), 3. Parsons Corporation ($21.8M), 4. Chickasaw Defense Logistics, LLC ($12.1M), 5. Trane U.s. Inc. ($8.4M), 6. Summer Consultants, Inc. ($7.23M), 7. Pernix Group, Inc. ($7M), 8. Quinlivan Pierik & Krause - Architects / Engineers LLP ($4.47M), 9. GBR Architects LLC ($4.46M), 10. Repaintex Company ($3.56M).

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