Top 100 Contractors in PSC Z2AA: Repair or Alteration of Office Buildings, FY2021

Name: Top 100 Contractors in PSC Z2AA: Repair or Alteration of Office Buildings, FY2021
Creator: GovTribe

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

The top 10 won 25% of FY2021 PSC Z2AA contract dollars

Contract obligations: $2,077,145,539 Net of deobligations, by contracts coded PSC Z2AA
Contractors: 1,383 Parent companies with an obligation
Largest contractor: Turner Construction Company $98.3 million, 4.6% 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	Turner Construction Company Top agencies HHS (Department of Health and Human Services) SSA (Social Security Administration) DHS (Department of Homeland Security)	$98,313,878	4.6%	Rank history: #4 in FY2022, #34 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
2	Rooney Holdings, Inc. Through Manhattan Construction Company LLC Top agencies DLA (Defense Logistics Agency)	$87,092,320	4.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
3	Honeywell International Inc. 2 awardees, including Honeywell Building Solutions SES Corp Top agencies GSA (General Services Administration) NARA (National Archives and Records Administration)	$67,913,959	3.2%	Rank history: #2 in FY2022, #4 in FY2023, not on the FY2024 list and #1 in FY2025; new, not ranked in FY2020.
4	Brasfield & Gorrie LLC Top agencies GSA (General Services Administration) DOT (Department of Transportation)	$52,742,124	2.5%	Rank history: #1 in FY2022, #14 in FY2023, #11 in FY2024 and #17 in FY2025; new, not ranked in FY2020.
5	Integrated Construction Enterprises Inc. Top agencies GSA (General Services Administration) DHS (Department of Homeland Security) DOS (Department of State)	$44,972,010	2.1%	Rank history: #45 in FY2022, not on the FY2023 list, #22 in FY2024 and #43 in FY2025; up 3 since FY2020.
6	Vectrus Systems Corporation 3 awardees, including Vectrus Federal Services GMBH and V2X Systems LLC Top agencies Army (Department of the Army) Navy (Department of the Navy)	$41,411,943	2.0%	Rank history: #3 in FY2022, #5 in FY2023, #69 in FY2024 and not on the FY2025 list; down 4 since FY2020.
7	Big-D Construction Corp Top agencies GSA (General Services Administration)	$39,420,504	1.9%	Rank history: not on the FY2022–FY2025 lists; up 64 since FY2020.
8	Hensel Phelps Construction Co 3 awardees Top agencies GSA (General Services Administration) HHS (Department of Health and Human Services) SSA (Social Security Administration)	$38,656,159	1.8%	Rank history: not on the FY2022–FY2024 lists and #70 in FY2025; down 4 since FY2020.
9	Cox Construction Co Top agencies DHS (Department of Homeland Security)	$32,749,158	1.5%	Rank history: not on the FY2022–FY2025 lists; up 51 since FY2020.
10	The Christman Company Top agencies GSA (General Services Administration) DOI (Department of the Interior)	$32,555,908	1.5%	Rank history: #75 in FY2022, not on the FY2023 list, #38 in FY2024 and not on the FY2025 list; up 5 since FY2020.
11	Conti Enterprises Inc. Through Conti Federal Services, Inc. Top agencies Navy (Department of the Navy)	$31,576,227	1.5%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
12	Truebeck Construction, Inc. Top agencies GSA (General Services Administration)	$29,920,802	1.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
13	Olgoonik Enterprises LLC 2 awardees Top agencies Army (Department of the Army) USAF (Department of the Air Force) GSA (General Services Administration)	$23,619,027	1.1%	Rank history: #33 in FY2022, #82 in FY2023, not on the FY2024 list and #9 in FY2025; up 232 since FY2020.
14	Natives of Kodiak, Incorporated 3 awardees, including Koman Construction, LLC and Koman Government Solutions LLC Top agencies USAF (Department of the Air Force) DHS (Department of Homeland Security) Army (Department of the Army)	$21,451,249	1.0%	Rank history: not on the FY2022 list, #42 in FY2023 and not on the FY2024–FY2025 lists; up 70 since FY2020.
15	John C. Grimberg Co., Inc. Top agencies GSA (General Services Administration) Army (Department of the Army)	$20,437,057	1.0%	Rank history: not on the FY2022 list, #38 in FY2023, #93 in FY2024 and #15 in FY2025; up 127 since FY2020.
16	Bundesministerium FUR Umwelt Naturschutz UND Reaktorsicherheit Through Bundesministerium FÜR Umwelt, Naturschutz UND Reaktorsicherheit Top agencies Army (Department of the Army)	$14,992,559	0.7%	Rank history: not on the FY2022–FY2025 lists; up 18 since FY2020.
17	Puyenpa Services, LLC Top agencies GSA (General Services Administration) Treasury (Department of the Treasury) HHS (Department of Health and Human Services)	$14,750,333	0.7%	Rank history: not on the FY2022–FY2025 lists; up 47 since FY2020.
18	Meltech Corporation, Inc. Top agencies USAF (Department of the Air Force) GSA (General Services Administration) DHS (Department of Homeland Security)	$14,742,747	0.7%	Rank history: not on the FY2022 list, #69 in FY2023 and not on the FY2024–FY2025 lists; up 3 since FY2020.
19	Mowa-Barlovento Joint Venture A Top agencies USAF (Department of the Air Force)	$14,315,478	0.7%	Rank history: not on the FY2022–FY2023 lists, #72 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
20	B.l. Harbert Holdings, L.L.C. Through BL Harbert International LLC Top agencies Navy (Department of the Navy)	$13,329,509	0.6%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
21	Intech Construction, LLC Top agencies DHS (Department of Homeland Security) GSA (General Services Administration)	$13,249,398	0.6%	Rank history: not on the FY2022–FY2025 lists; up 12 since FY2020.
22	The Chenega Corporation Through Chenega Worldwide Support, LLC Top agencies Treasury (Department of the Treasury)	$12,915,896	0.6%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
23	Signature Renovations LLC Top agencies GSA (General Services Administration) United States Tax Court DHS (Department of Homeland Security)	$12,864,885	0.6%	Rank history: not on the FY2022–FY2025 lists; up 25 since FY2020.
24	Desbuild Incorporated Top agencies Navy (Department of the Navy) GSA (General Services Administration)	$12,829,199	0.6%	Rank history: #38 in FY2022, #56 in FY2023 and not on the FY2024–FY2025 lists; down 7 since FY2020.
25	Veterans Development Corporation, Inc. Top agencies VA (Department of Veterans Affairs)	$12,178,998	0.6%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
26	Triple Canopy Inc. 2 awardees, including Centerra Integrated Facilities Services, LLC Top agencies Army (Department of the Army)	$11,739,263	0.6%	Rank history: #9 in FY2022, #7 in FY2023, #43 in FY2024 and not on the FY2025 list; up 108 since FY2020.
27	The Tradesmen Group, LLC Top agencies GSA (General Services Administration)	$11,336,193	0.5%	Rank history: not on the FY2022–FY2025 lists; up 451 since FY2020.
28	Hammer LGC Inc. Top agencies GSA (General Services Administration) Army (Department of the Army) Treasury (Department of the Treasury)	$11,017,916	0.5%	Rank history: not on the FY2022 list, #97 in FY2023 and not on the FY2024–FY2025 lists; up 67 since FY2020.
29	G-W Management Services, LLC Top agencies Navy (Department of the Navy) GSA (General Services Administration)	$10,631,873	0.5%	Rank history: #49 in FY2022, #99 in FY2023 and not on the FY2024–FY2025 lists; up 222 since FY2020.
30	Etolin Strait Development Group LLC Through Etolin Strait Partners, LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) MDA (DOD Missile Defense Agency)	$10,603,643	0.5%	Rank history: #35 in FY2022, #24 in FY2023 and not on the FY2024–FY2025 lists; down 1 since FY2020.
31	Sori E&C Co.,Ltd Top agencies Army (Department of the Army) USAF (Department of the Air Force) Navy (Department of the Navy)	$10,300,484	0.5%	Rank history: #8 in FY2022, #9 in FY2023 and not on the FY2024–FY2025 lists; up 11 since FY2020.
32	DCM Architecture & Engineering, LLC Top agencies CFTC (Commodity Futures Trading Commission) AOUSC (Administrative Office of the U.S. Courts) GSA (General Services Administration)	$9,998,490	0.5%	Rank history: #18 in FY2022, not on the FY2023 list, #20 in FY2024 and not on the FY2025 list; down 23 since FY2020.
33	Abba Construction, Inc. Top agencies USAF (Department of the Air Force)	$9,963,690	0.5%	Rank history: not on the FY2022–FY2024 lists and #68 in FY2025; up 122 since FY2020.
34	Grunley Construction Co., Inc. Top agencies USDA (Department of Agriculture) GSA (General Services Administration) HHS (Department of Health and Human Services)	$9,680,247	0.5%	Rank history: #78 in FY2022, #2 in FY2023, #18 in FY2024 and #44 in FY2025; down 33 since FY2020.
35	Wright Bros LLC Top agencies GSA (General Services Administration) NASA (National Aeronautics and Space Administration) DOT (Department of Transportation)	$9,513,832	0.4%	Rank history: #20 in FY2022, #16 in FY2023, #24 in FY2024 and #24 in FY2025; down 16 since FY2020.
36	Mowa Barlovento Llc, JV Top agencies Navy (Department of the Navy)	$9,475,750	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
37	Jay-Brant General Contractors, LLC Top agencies DHS (Department of Homeland Security)	$9,390,751	0.4%	Rank history: not on the FY2022–FY2025 lists; up 143 since FY2020.
38	U-Smc / Demaria Jv1, LLC Top agencies Navy (Department of the Navy)	$9,337,198	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
39	West Coast General Group, Inc. Top agencies GSA (General Services Administration) DOJ (Department of Justice)	$9,279,941	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
40	Asturian Group, Inc. Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy)	$9,020,062	0.4%	Rank history: not on the FY2022–FY2025 lists; up 72 since FY2020.
41	Oneida Nation Through Mission Support Services, LLC Top agencies Navy (Department of the Navy) Army (Department of the Army) DHS (Department of Homeland Security)	$8,712,310	0.4%	Rank history: not on the FY2022–FY2025 lists; up 22 since FY2020.
42	Ironwood Commercial Builders Inc. Top agencies GSA (General Services Administration) DOJ (Department of Justice) AOUSC (Administrative Office of the U.S. Courts)	$8,614,433	0.4%	Rank history: not on the FY2022–FY2025 lists; down 35 since FY2020.
43	Constructure Inc. Top agencies DOS (Department of State) GSA (General Services Administration)	$8,588,297	0.4%	Rank history: #91 in FY2022, #79 in FY2023, not on the FY2024 list and #29 in FY2025; up 1 since FY2020.
44	Seong Bo Const.ind.co.,Ltd. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$8,541,483	0.4%	Rank history: not on the FY2022 list, #36 in FY2023 and not on the FY2024–FY2025 lists; down 26 since FY2020.
45	AMG JV Top agencies GSA (General Services Administration) NRC (Nuclear Regulatory Commission) DHS (Department of Homeland Security)	$8,512,478	0.4%	Rank history: #59 in FY2022 and not on the FY2023–FY2025 lists; down 17 since FY2020.
46	Banneker Ventures LLC Top agencies GSA (General Services Administration) ED (Department of Education) SSA (Social Security Administration)	$8,495,636	0.4%	Rank history: not on the FY2022–FY2025 lists; down 24 since FY2020.
47	Structural Engineering Group Inc. Top agencies GSA (General Services Administration) DHS (Department of Homeland Security) DOJ (Department of Justice)	$8,417,099	0.4%	Rank history: #12 in FY2022, #28 in FY2023, #60 in FY2024 and not on the FY2025 list; up 35 since FY2020.
48	Puyenpa Construction, LLC Top agencies Treasury (Department of the Treasury) GSA (General Services Administration)	$8,411,695	0.4%	Rank history: not on the FY2022 list, #59 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
49	Weil Construction Inc. Top agencies GSA (General Services Administration) VA (Department of Veterans Affairs) USAF (Department of the Air Force)	$8,254,175	0.4%	Rank history: not on the FY2022–FY2025 lists; down 36 since FY2020.
50	Ouzinkie Native Corporation 2 awardees, including Katmai Support Services, L.L.C. and Ice Technical Services Inc. Top agencies GSA (General Services Administration) VA (Department of Veterans Affairs) Treasury (Department of the Treasury)	$8,137,355	0.4%	Rank history: not on the FY2022–FY2025 lists; up 123 since FY2020.
51	Infinite Energy Construction, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$8,006,069	0.4%	Rank history: not on the FY2022–FY2025 lists; up 252 since FY2020.
52	Elrim Construction Co., Ltd. Top agencies USAF (Department of the Air Force) Army (Department of the Army) Navy (Department of the Navy)	$7,739,812	0.4%	Rank history: #34 in FY2022, #29 in FY2023 and not on the FY2024–FY2025 lists; up 100 since FY2020.
53	Meridien Group LLC Top agencies Treasury (Department of the Treasury) GSA (General Services Administration) HHS (Department of Health and Human Services)	$7,714,678	0.4%	Rank history: #50 in FY2022, #47 in FY2023 and not on the FY2024–FY2025 lists; up 118 since FY2020.
54	Oneill Contractors Inc. Top agencies GSA (General Services Administration) Army (Department of the Army)	$7,532,819	0.4%	Rank history: not on the FY2022–FY2025 lists; up 47 since FY2020.
55	Ahtna, Incorporated 3 awardees, including Ahtna Environmental, Inc., Ahtna Design-Build Inc. and Ahtna Global LLC Top agencies DHS (Department of Homeland Security) GSA (General Services Administration) Army (Department of the Army)	$7,482,411	0.4%	Rank history: not on the FY2022–FY2025 lists; up 13 since FY2020.
56	Accel Construction Services Group, LLC Top agencies DHS (Department of Homeland Security) GSA (General Services Administration) Treasury (Department of the Treasury)	$7,370,488	0.3%	Rank history: not on the FY2022 list, #30 in FY2023 and not on the FY2024–FY2025 lists; up 113 since FY2020.
57	S.j. Thomas Co., Inc. Top agencies GSA (General Services Administration) AOUSC (Administrative Office of the U.S. Courts) DOJ (Department of Justice)	$7,352,048	0.3%	Rank history: not on the FY2022 list, #70 in FY2023, not on the FY2024 list and #12 in FY2025; up 272 since FY2020.
58	R&I Construction, Inc. Top agencies Army (Department of the Army) GSA (General Services Administration)	$7,259,267	0.3%	Rank history: #63 in FY2022, #23 in FY2023, #89 in FY2024 and #56 in FY2025; down 17 since FY2020.
59	Biscayne Contractors, Inc. Top agencies Navy (Department of the Navy) GSA (General Services Administration) DHS (Department of Homeland Security)	$7,255,574	0.3%	Rank history: #26 in FY2022 and not on the FY2023–FY2025 lists; up 116 since FY2020.
60	A.r.e. Design & Build, LLC Top agencies GSA (General Services Administration) AOUSC (Administrative Office of the U.S. Courts) Army (Department of the Army)	$7,238,272	0.3%	Rank history: #54 in FY2022, #37 in FY2023, #76 in FY2024 and #16 in FY2025; up 7 since FY2020.
61	CJW Contractors, Inc. Top agencies GSA (General Services Administration) DHS (Department of Homeland Security)	$7,106,836	0.3%	Rank history: #14 in FY2022, #21 in FY2023, #39 in FY2024 and not on the FY2025 list; up 15 since FY2020.
62	Legend Construction and Painting Inc. Top agencies GSA (General Services Administration) HHS (Department of Health and Human Services) DOI (Department of the Interior)	$7,056,475	0.3%	Rank history: #81 in FY2022, not on the FY2023–FY2024 lists and #98 in FY2025; up 133 since FY2020.
63	TK Elevator Corporation Top agencies AOUSC (Administrative Office of the U.S. Courts) GSA (General Services Administration)	$7,022,769	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
64	Amstar Inc. Top agencies GSA (General Services Administration) AOUSC (Administrative Office of the U.S. Courts) VA (Department of Veterans Affairs)	$7,019,018	0.3%	Rank history: #43 in FY2022, #80 in FY2023 and not on the FY2024–FY2025 lists; up 30 since FY2020.
65	Tara-Campbell JV LLP Top agencies DHS (Department of Homeland Security)	$6,999,089	0.3%	Rank history: not on the FY2022–FY2025 lists; down 28 since FY2020.
66	Marino Court Contractors LLC Top agencies USAF (Department of the Air Force)	$6,803,819	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
67	Kumsung Construction Co., Ltd. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$6,504,796	0.3%	Rank history: #51 in FY2022, #51 in FY2023 and not on the FY2024–FY2025 lists; up 220 since FY2020.
68	E.l.c.i. Construction Group, Inc. Top agencies GSA (General Services Administration)	$6,484,116	0.3%	Rank history: #58 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
69	Cook Inlet Region Inc. 2 awardees, including Silver Mountain Construction, LLC and Weldin Construction LLC Top agencies DOJ (Department of Justice) USAF (Department of the Air Force) DHS (Department of Homeland Security)	$6,481,596	0.3%	Rank history: not on the FY2022 list, #41 in FY2023 and not on the FY2024–FY2025 lists; down 37 since FY2020.
70	Patton Contractors Inc. Top agencies VA (Department of Veterans Affairs) WHS (DOD Washington Headquarters Service) GSA (General Services Administration)	$6,357,067	0.3%	Rank history: #60 in FY2022, #49 in FY2023, #27 in FY2024 and #39 in FY2025; up 49 since FY2020.
71	Synthesis Inc. Top agencies GSA (General Services Administration) EPA (Environmental Protection Agency)	$6,356,264	0.3%	Rank history: not on the FY2022 list, #81 in FY2023, #32 in FY2024 and #19 in FY2025; up 134 since FY2020.
72	Griggs Mitchell & Alma of IL, LLC Top agencies GSA (General Services Administration) CFTC (Commodity Futures Trading Commission)	$6,139,772	0.3%	Rank history: #73 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
73	Firelake Construction Inc. Top agencies USDA (Department of Agriculture) GSA (General Services Administration) SSA (Social Security Administration)	$5,685,595	0.3%	Rank history: not on the FY2022 list, #77 in FY2023 and not on the FY2024–FY2025 lists; up 199 since FY2020.
74	Pyramid Contracting LLC Top agencies DHS (Department of Homeland Security) Army (Department of the Army)	$5,625,199	0.3%	Rank history: not on the FY2022–FY2025 lists; up 128 since FY2020.
75	Trio Asbestos Removal Corp. Top agencies GSA (General Services Administration) AOUSC (Administrative Office of the U.S. Courts)	$5,539,210	0.3%	Rank history: not on the FY2022–FY2023 lists, #59 in FY2024 and not on the FY2025 list; up 188 since FY2020.
76	Poonglim Industrial Co. Ltd. Through Poonglim Construction Co., Ltd Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$5,499,632	0.3%	Rank history: #19 in FY2022, #90 in FY2023 and not on the FY2024–FY2025 lists; up 7 since FY2020.
77	King & George, LLC Top agencies GSA (General Services Administration) USAF (Department of the Air Force) DHS (Department of Homeland Security)	$5,427,161	0.3%	Rank history: #86 in FY2022, #86 in FY2023 and not on the FY2024–FY2025 lists; up 64 since FY2020.
78	The Nutmeg Companies, Inc. Top agencies GSA (General Services Administration) DODIG (Department of Defense Inspector General)	$5,286,069	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
79	Gun-Hae Construction Co.ltd Top agencies Army (Department of the Army)	$5,223,387	0.2%	Rank history: not on the FY2022–FY2025 lists; down 30 since FY2020.
80	Tantara Associates Corp Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy)	$5,212,291	0.2%	Rank history: not on the FY2022–FY2025 lists; down 1 since FY2020.
81	Bering Straits Native Corporation 3 awardees, including Stampede Ventures, Inc., Bering Global Solutions, LLC and Bering Straits Development Co. Top agencies Army (Department of the Army) DHS (Department of Homeland Security) GSA (General Services Administration)	$5,201,466	0.2%	Rank history: not on the FY2022 list, #26 in FY2023, not on the FY2024 list and #59 in FY2025; down 45 since FY2020.
82	Fasone Construction, Inc. Top agencies AOUSC (Administrative Office of the U.S. Courts) GSA (General Services Administration) DOS (Department of State)	$5,169,655	0.2%	Rank history: not on the FY2022 list, #83 in FY2023 and not on the FY2024–FY2025 lists; down 52 since FY2020.
83	H & E Development LLC Top agencies USDA (Department of Agriculture)	$5,067,141	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
84	Ayko Group LLC Top agencies GSA (General Services Administration) EPA (Environmental Protection Agency) DHS (Department of Homeland Security)	$5,005,336	0.2%	Rank history: not on the FY2022–FY2025 lists; up 326 since FY2020.
85	Mccown Gordon Construction, L.L.C. Top agencies GSA (General Services Administration) DOJ (Department of Justice)	$4,956,801	0.2%	Rank history: not on the FY2022–FY2025 lists; up 332 since FY2020.
86	LG Construction Inc. Top agencies Army (Department of the Army)	$4,951,902	0.2%	Rank history: not on the FY2022–FY2025 lists; up 223 since FY2020.
87	KEO & Associates Inc. Top agencies DHS (Department of Homeland Security) GSA (General Services Administration) HHS (Department of Health and Human Services)	$4,911,474	0.2%	Rank history: not on the FY2022 list, #55 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
88	Pro-Mark Services Inc. Top agencies VA (Department of Veterans Affairs) USAF (Department of the Air Force) GSA (General Services Administration)	$4,907,562	0.2%	Rank history: not on the FY2022–FY2025 lists; up 8 since FY2020.
89	Patriot Construction, Inc. Top agencies DOJ (Department of Justice) GSA (General Services Administration) AOUSC (Administrative Office of the U.S. Courts)	$4,897,847	0.2%	Rank history: #57 in FY2022, #76 in FY2023, #48 in FY2024 and not on the FY2025 list; up 118 since FY2020.
90	Siemens Aktiengesellschaft 2 awardees, including Siemens Government Technologies Inc. and Siemens Industry Inc. Top agencies GSA (General Services Administration) HHS (Department of Health and Human Services) Treasury (Department of the Treasury)	$4,883,630	0.2%	Rank history: #98 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
91	Belt Built CFM Joint Venture, LLC Top agencies Navy (Department of the Navy)	$4,843,560	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
92	Troop Contracting Inc. Top agencies GSA (General Services Administration) SSA (Social Security Administration)	$4,816,243	0.2%	Rank history: not on the FY2022–FY2025 lists; up 255 since FY2020.
93	EG Management Services, Inc. Top agencies DOS (Department of State) GSA (General Services Administration) DHS (Department of Homeland Security)	$4,801,474	0.2%	Rank history: not on the FY2022–FY2025 lists; down 58 since FY2020.
94	Agbayani Construction Corporation Top agencies DOI (Department of the Interior)	$4,769,863	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
95	Athena Construction Group, Inc. Top agencies DOI (Department of the Interior) GSA (General Services Administration) Navy (Department of the Navy)	$4,704,970	0.2%	Rank history: not on the FY2022–FY2025 lists; up 314 since FY2020.
96	Artisan Construction Enterprises Inc. Top agencies GSA (General Services Administration) DOJ (Department of Justice) Army (Department of the Army)	$4,415,768	0.2%	Rank history: not on the FY2022 list, #48 in FY2023, #44 in FY2024 and not on the FY2025 list; up 24 since FY2020.
97	Romana Prosperity Construction Corporation Top agencies GSA (General Services Administration) DOS (Department of State)	$4,414,185	0.2%	Rank history: #52 in FY2022 and not on the FY2023–FY2025 lists; up 285 since FY2020.
98	Southern Aire Contracting, Inc. Top agencies GSA (General Services Administration) DHS (Department of Homeland Security) USAF (Department of the Air Force)	$4,412,152	0.2%	Rank history: not on the FY2022–FY2024 lists and #40 in FY2025; up 33 since FY2020.
99	Eastern Construction & Electric Inc. Top agencies AOUSC (Administrative Office of the U.S. Courts) GSA (General Services Administration) SSA (Social Security Administration)	$4,395,979	0.2%	Rank history: not on the FY2022 list, #52 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
100	Nana Regional Corporation Inc 2 awardees, including Jade Creek Construction LLC and Talu LLC Top agencies Army (Department of the Army) HHS (Department of Health and Human Services) DOL (Department of Labor)	$4,371,374	0.2%	Rank history: #16 in FY2022, #64 in FY2023 and not on the FY2024–FY2025 lists; up 46 since FY2020.

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100 of 1,383 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 $2.12 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 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 Z2AA contractors in FY2021?

1. Turner Construction Company ($98.3M), 2. Rooney Holdings, Inc. ($87.1M), 3. Honeywell International Inc. ($67.9M), 4. Brasfield & Gorrie LLC ($52.7M), 5. Integrated Construction Enterprises Inc. ($45M), 6. Vectrus Systems Corporation ($41.4M), 7. Big-D Construction Corp ($39.4M), 8. Hensel Phelps Construction Co ($38.7M), 9. Cox Construction Co ($32.7M), 10. The Christman Company ($32.6M).

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