Top 100 Contractors in PSC Z2QA: Repair or Alteration of Restoration of Real Property (Public or Private), Jul 2025–Jun 2026

Name: Top 100 Contractors in PSC Z2QA: Repair or Alteration of Restoration of Real Property (Public or Private), Jul 2025–Jun 2026
Creator: GovTribe

Parent companies by net contract obligations Jul 1, 2025 – Jun 30, 2026 Code page on GovTribe

The top 10 won 40% of PSC Z2QA contract dollars from July 2025 through June 2026

Contract obligations: $540,725,215 Net of deobligations, by contracts coded PSC Z2QA
Contractors: 294 Parent companies with an obligation
Largest contractor: Terra Site Constructors LLC $54.7 million, 9.9% 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	Terra Site Constructors LLC Top agencies DOI (Department of the Interior)	$54,657,095	9.9%	Rank history: not on the FY2021–FY2025 lists; up 171 since Jul 2024–Jun 2025.
2	C.w. Roberts Contracting, Incorporated Top agencies USAF (Department of the Air Force)	$27,355,094	5.0%	Rank history: not on the FY2021–FY2023 lists, #49 in FY2024 and not on the FY2025 list; up 204 since Jul 2024–Jun 2025.
3	Maverick Constructors, LLC Top agencies USAF (Department of the Air Force)	$25,393,895	4.6%	Rank history: not on the FY2021–FY2024 lists and #3 in FY2025; up 89 since Jul 2024–Jun 2025.
4	Centerre Construction, Inc. Top agencies DOI (Department of the Interior)	$19,214,964	3.5%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
5	Sevenson Environmental Services, Inc. Top agencies Army (Department of the Army)	$17,977,776	3.3%	Rank history: #12 in FY2021, #14 in FY2022, #14 in FY2023, not on the FY2024 list and #84 in FY2025; up 79 since Jul 2024–Jun 2025.
6	Armitage SAI JV Top agencies Army (Department of the Army)	$17,888,641	3.2%	Rank history: not on the FY2021–FY2022 lists, #9 in FY2023, #5 in FY2024 and #5 in FY2025; down 2 since Jul 2024–Jun 2025.
7	USA Environmental, Inc. Top agencies Navy (Department of the Navy)	$15,523,206	2.8%	Rank history: #4 in FY2021, #17 in FY2022, #11 in FY2023, #8 in FY2024 and #7 in FY2025; down 2 since Jul 2024–Jun 2025.
8	Doyon Technical Services, LLC 2 awardees Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$14,662,410	2.7%	Rank history: not on the FY2021–FY2024 lists and #12 in FY2025; new, not ranked in Jul 2024–Jun 2025.
9	Veterans Development Corporation, Inc. Top agencies USAF (Department of the Air Force)	$14,632,596	2.7%	Rank history: not on the FY2021–FY2024 lists and #8 in FY2025; new, not ranked in Jul 2024–Jun 2025.
10	Web LLC Top agencies Navy (Department of the Navy)	$14,292,520	2.6%	Rank history: not on the FY2021–FY2024 lists and #9 in FY2025; new, not ranked in Jul 2024–Jun 2025.
11	Doyon Management Services, LLC Top agencies USAF (Department of the Air Force)	$10,584,656	1.9%	Rank history: not on the FY2021–FY2024 lists and #16 in FY2025; new, not ranked in Jul 2024–Jun 2025.
12	Snodgrass Contracting LLC Top agencies Navy (Department of the Navy)	$10,284,236	1.9%	Rank history: not on the FY2021–FY2022 lists, #50 in FY2023, not on the FY2024 list and #22 in FY2025; new, not ranked in Jul 2024–Jun 2025.
13	Arctic Slope Regional Corporation 2 awardees, including Asrc Consulting & Environmental Services, LLC and Asrc Builders LLC Top agencies DOI (Department of the Interior) Army (Department of the Army)	$9,859,012	1.8%	Rank history: not on the FY2021–FY2022 lists, #7 in FY2023, #16 in FY2024 and #10 in FY2025; up 65 since Jul 2024–Jun 2025.
14	Native American Services Corp. Top agencies Army (Department of the Army)	$9,727,808	1.8%	Rank history: not on the FY2021 list, #26 in FY2022, #30 in FY2023, #24 in FY2024 and #6 in FY2025; down 6 since Jul 2024–Jun 2025.
15	Mckenzie Construction & Site Development LLC Top agencies DOI (Department of the Interior) USAF (Department of the Air Force)	$8,700,949	1.6%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
16	Icarus Construction Services, LLC Top agencies USAF (Department of the Air Force) DOI (Department of the Interior)	$8,509,237	1.5%	Rank history: #46 in FY2021, #43 in FY2022, #62 in FY2023, #99 in FY2024 and #13 in FY2025; up 42 since Jul 2024–Jun 2025.
17	Sevenson-Usa Environmental Joint Venture II Top agencies Navy (Department of the Navy)	$8,439,510	1.5%	Rank history: not on the FY2021 list, #5 in FY2022, #3 in FY2023, #12 in FY2024 and not on the FY2025 list; up 55 since Jul 2024–Jun 2025.
18	Cadence Contract Services, LLC Top agencies Army (Department of the Army)	$8,222,729	1.5%	Rank history: #8 in FY2021, #8 in FY2022, #2 in FY2023, #4 in FY2024 and #26 in FY2025; down 7 since Jul 2024–Jun 2025.
19	BCI Construction Usa, Inc. Top agencies Army (Department of the Army)	$8,152,698	1.5%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
20	Kuuk Investments, LLC Through HME Construction Inc. Top agencies Army (Department of the Army)	$7,995,000	1.4%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
21	Olgoonik Oilfield Services LLC Top agencies DOI (Department of the Interior)	$7,578,361	1.4%	Rank history: not on the FY2021–FY2023 lists, #6 in FY2024 and #79 in FY2025; up 39 since Jul 2024–Jun 2025.
22	Wright Bros LLC Top agencies DOI (Department of the Interior)	$7,128,887	1.3%	Rank history: not on the FY2021–FY2024 lists and #18 in FY2025; new, not ranked in Jul 2024–Jun 2025.
23	Polk & Associates Construction Inc. Top agencies Navy (Department of the Navy)	$6,895,397	1.3%	Rank history: #18 in FY2021, not on the FY2022–FY2024 lists and #17 in FY2025; up 52 since Jul 2024–Jun 2025.
24	A-Vet / MGC II A Joint Venture, LLC Top agencies USAF (Department of the Air Force)	$6,639,997	1.2%	Rank history: not on the FY2021–FY2024 lists and #19 in FY2025; new, not ranked in Jul 2024–Jun 2025.
25	Manguiri Contracting LLC Top agencies DOI (Department of the Interior)	$6,449,318	1.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
26	DSL Builders LLC Top agencies USDA (Department of Agriculture)	$6,375,616	1.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
27	Four Tribes Civil Construction LLC Top agencies Army (Department of the Army)	$6,338,098	1.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
28	District Veterans Contracting, Inc. Top agencies VA (Department of Veterans Affairs)	$6,294,600	1.1%	Rank history: not on the FY2021–FY2024 lists and #21 in FY2025; new, not ranked in Jul 2024–Jun 2025.
29	Sedona-Nasco Jv2, LLC Top agencies Army (Department of the Army)	$5,707,443	1.0%	Rank history: not on the FY2021–FY2022 lists, #40 in FY2023, #2 in FY2024 and #1 in FY2025; down 28 since Jul 2024–Jun 2025.
30	JJ Contracting Corp Top agencies Army (Department of the Army)	$5,694,637	1.0%	Rank history: not on the FY2021–FY2023 lists, #35 in FY2024 and #15 in FY2025; down 7 since Jul 2024–Jun 2025.
31	R.j. Jurowski Construction, Inc. Top agencies Army (Department of the Army)	$5,418,300	1.0%	Rank history: not on the FY2021–FY2024 lists and #25 in FY2025; new, not ranked in Jul 2024–Jun 2025.
32	Puyenpa Technologies LLC Through Puyenpa Construction, LLC Top agencies Navy (Department of the Navy)	$5,085,485	0.9%	Rank history: not on the FY2021–FY2024 lists and #24 in FY2025; up 83 since Jul 2024–Jun 2025.
33	New Dominion Construction LLC Top agencies Army (Department of the Army) DOI (Department of the Interior)	$4,916,140	0.9%	Rank history: not on the FY2021 list, #29 in FY2022, #22 in FY2023, #29 in FY2024 and #20 in FY2025; down 4 since Jul 2024–Jun 2025.
34	MW Services Inc. Top agencies USAF (Department of the Air Force)	$4,765,436	0.9%	Rank history: #13 in FY2021, #18 in FY2022, #26 in FY2023, #17 in FY2024 and #36 in FY2025; down 14 since Jul 2024–Jun 2025.
35	Merco Inc. Top agencies USAF (Department of the Air Force)	$4,525,000	0.8%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
36	Decca Environmental Solutions Inc. Top agencies DOI (Department of the Interior)	$4,390,523	0.8%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
37	MCG Constructors, Inc. Top agencies USDA (Department of Agriculture)	$4,218,000	0.8%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
38	Reyes Construction, Inc. Top agencies Navy (Department of the Navy)	$4,094,400	0.7%	Rank history: not on the FY2021–FY2024 lists and #30 in FY2025; new, not ranked in Jul 2024–Jun 2025.
39	Young Gun Construction LLC Top agencies USDA (Department of Agriculture)	$4,055,859	0.7%	Rank history: not on the FY2021 list, #66 in FY2022, #36 in FY2023, #33 in FY2024 and #28 in FY2025; down 12 since Jul 2024–Jun 2025.
40	Tribal One Technology, LLC Top agencies Army (Department of the Army)	$3,650,372	0.7%	Rank history: not on the FY2021–FY2022 lists, #93 in FY2023, #68 in FY2024 and #40 in FY2025; up 2 since Jul 2024–Jun 2025.
41	King & George, LLC Top agencies USAF (Department of the Air Force)	$3,518,134	0.6%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
42	Davenport Building Technologies Inc. Top agencies Army (Department of the Army)	$3,254,555	0.6%	Rank history: not on the FY2021–FY2024 lists and #37 in FY2025; new, not ranked in Jul 2024–Jun 2025.
43	Suh'dutsing Contracting Services Top agencies Army (Department of the Army)	$3,233,993	0.6%	Rank history: not on the FY2021–FY2022 lists, #20 in FY2023, #13 in FY2024 and #35 in FY2025; down 28 since Jul 2024–Jun 2025.
44	DMS Contracting Inc Top agencies Army (Department of the Army)	$3,217,682	0.6%	Rank history: not on the FY2021–FY2024 lists and #38 in FY2025; up 238 since Jul 2024–Jun 2025.
45	SDC Tidewater JV, LLC Top agencies DHS (Department of Homeland Security)	$3,196,202	0.6%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
46	Amvet Ritz JV LLC Top agencies DTRA (Defense Threat Reduction Agency)	$3,046,094	0.6%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
47	Olgoonik Logistics, LLC Top agencies Army (Department of the Army)	$2,975,886	0.5%	Rank history: not on the FY2021–FY2023 lists, #26 in FY2024 and #53 in FY2025; down 11 since Jul 2024–Jun 2025.
48	Geotechnical Construction Inc. Top agencies Army (Department of the Army)	$2,931,805	0.5%	Rank history: not on the FY2021–FY2023 lists, #36 in FY2024 and #47 in FY2025; down 17 since Jul 2024–Jun 2025.
49	Abba Construction, Inc. Top agencies USAF (Department of the Air Force)	$2,872,003	0.5%	Rank history: not on the FY2021–FY2022 lists, #98 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
50	Black Horse Group L.L.C. Top agencies Army (Department of the Army)	$2,754,549	0.5%	Rank history: not on the FY2021–FY2023 lists, #97 in FY2024 and #33 in FY2025; up 7 since Jul 2024–Jun 2025.
51	Maloof Weathertight Solutions, LLC Top agencies Army (Department of the Army)	$2,508,966	0.5%	Rank history: not on the FY2021–FY2022 lists, #45 in FY2023, #48 in FY2024 and #41 in FY2025; up 15 since Jul 2024–Jun 2025.
52	Olgoonik Construction Services LLC Top agencies DOI (Department of the Interior)	$2,457,448	0.4%	Rank history: not on the FY2021–FY2023 lists, #53 in FY2024 and #31 in FY2025; up 3 since Jul 2024–Jun 2025.
53	Reams Enterprises Inc. Top agencies Army (Department of the Army)	$2,412,569	0.4%	Rank history: not on the FY2021 list, #32 in FY2022, #19 in FY2023, #42 in FY2024 and #46 in FY2025; down 14 since Jul 2024–Jun 2025.
54	Paulsen Construction, LLC Top agencies DOI (Department of the Interior)	$2,340,836	0.4%	Rank history: not on the FY2021–FY2023 lists, #3 in FY2024 and not on the FY2025 list; down 51 since Jul 2024–Jun 2025.
55	Voith Hydro Inc Top agencies Army (Department of the Army)	$1,943,939	0.4%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
56	Benaka, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$1,897,837	0.3%	Rank history: not on the FY2021–FY2022 lists, #15 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
57	Eklutna Construction & Maintenance, LLC Top agencies Army (Department of the Army)	$1,851,977	0.3%	Rank history: not on the FY2021–FY2022 lists, #6 in FY2023, #10 in FY2024 and #55 in FY2025; down 27 since Jul 2024–Jun 2025.
58	Mcl-Mrk VII LLC Top agencies USAF (Department of the Air Force)	$1,834,145	0.3%	Rank history: not on the FY2021–FY2024 lists and #50 in FY2025; new, not ranked in Jul 2024–Jun 2025.
59	Andritz (USA) Inc. Through Andritz Hydro Corp Top agencies Army (Department of the Army)	$1,815,170	0.3%	Rank history: not on the FY2021–FY2023 lists, #56 in FY2024 and #42 in FY2025; down 31 since Jul 2024–Jun 2025.
60	Cutting Edge Group, LLC Top agencies DOI (Department of the Interior)	$1,722,194	0.3%	Rank history: not on the FY2021–FY2024 lists and #52 in FY2025; new, not ranked in Jul 2024–Jun 2025.
61	Tavares LLC Top agencies USAF (Department of the Air Force)	$1,615,222	0.3%	Rank history: not on the FY2021–FY2022 lists, #54 in FY2023, #19 in FY2024 and #34 in FY2025; down 45 since Jul 2024–Jun 2025.
62	Pullman Sst, Inc. Top agencies DOI (Department of the Interior)	$1,555,622	0.3%	Rank history: not on the FY2021–FY2024 lists and #2 in FY2025; down 60 since Jul 2024–Jun 2025.
63	Semper FI Industrial Coatings Inc. Top agencies Army (Department of the Army)	$1,544,872	0.3%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
64	Swan Contracting LLC Top agencies USAF (Department of the Air Force)	$1,507,358	0.3%	Rank history: not on the FY2021–FY2024 lists and #58 in FY2025; up 29 since Jul 2024–Jun 2025.
65	Brice Solutions, LLC Top agencies DOI (Department of the Interior)	$1,490,562	0.3%	Rank history: not on the FY2021–FY2025 lists; up 221 since Jul 2024–Jun 2025.
66	Advanced Management Group L.L.C. Top agencies Navy (Department of the Navy)	$1,452,310	0.3%	Rank history: not on the FY2021–FY2023 lists, #18 in FY2024 and #56 in FY2025; up 46 since Jul 2024–Jun 2025.
67	North Sky Construction LLC Top agencies USAF (Department of the Air Force)	$1,429,250	0.3%	Rank history: not on the FY2021–FY2023 lists, #84 in FY2024 and not on the FY2025 list; down 5 since Jul 2024–Jun 2025.
68	Virsig, LLC Top agencies Navy (Department of the Navy)	$1,378,033	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
69	Boyer Commercial Construction Inc. Top agencies Army (Department of the Army)	$1,362,094	0.2%	Rank history: not on the FY2021–FY2022 lists, #63 in FY2023, #40 in FY2024 and #48 in FY2025; down 25 since Jul 2024–Jun 2025.
70	Phillips C&C LLC Top agencies DOI (Department of the Interior)	$1,338,495	0.2%	Rank history: not on the FY2021–FY2024 lists and #60 in FY2025; new, not ranked in Jul 2024–Jun 2025.
71	North Star Construction and Engineering Inc. Top agencies USAF (Department of the Air Force)	$1,289,418	0.2%	Rank history: not on the FY2021–FY2024 lists and #93 in FY2025; new, not ranked in Jul 2024–Jun 2025.
72	Iron Sword Enterprises, LLC Top agencies DOI (Department of the Interior)	$1,281,400	0.2%	Rank history: not on the FY2021–FY2024 lists and #62 in FY2025; new, not ranked in Jul 2024–Jun 2025.
73	Benecorp Inc. Top agencies AFRH (Armed Forces Retirement Home)	$1,269,059	0.2%	Rank history: not on the FY2021–FY2024 lists and #63 in FY2025; new, not ranked in Jul 2024–Jun 2025.
74	Lakota Solutions LLC Top agencies Army (Department of the Army)	$1,207,604	0.2%	Rank history: not on the FY2021–FY2024 lists and #65 in FY2025; unchanged since Jul 2024–Jun 2025.
75	US Diversified Contracting Services Inc. Top agencies VA (Department of Veterans Affairs)	$1,170,143	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
76	Wolff & Muller Government Services Italia S.R.L. Top agencies Army (Department of the Army)	$1,122,682	0.2%	Rank history: not on the FY2021–FY2024 lists and #66 in FY2025; new, not ranked in Jul 2024–Jun 2025.
77	Ritz Construction Inc. Top agencies DOI (Department of the Interior) Navy (Department of the Navy)	$1,084,838	0.2%	Rank history: #57 in FY2021, not on the FY2022–FY2023 lists, #76 in FY2024 and #32 in FY2025; down 8 since Jul 2024–Jun 2025.
78	Native Star Group, Inc. Top agencies USAF (Department of the Air Force)	$1,066,976	0.2%	Rank history: #54 in FY2021, #68 in FY2022, #55 in FY2023, not on the FY2024 list and #68 in FY2025; new, not ranked in Jul 2024–Jun 2025.
79	Ajce Corporation Top agencies DOI (Department of the Interior)	$1,025,972	0.2%	Rank history: not on the FY2021–FY2023 lists, #20 in FY2024 and #74 in FY2025; down 41 since Jul 2024–Jun 2025.
80	Ahtna, Incorporated Through Ahtna Design-Build Inc. Top agencies USAF (Department of the Air Force)	$1,017,909	0.2%	Rank history: #16 in FY2021, not on the FY2022–FY2023 lists, #96 in FY2024 and #69 in FY2025; new, not ranked in Jul 2024–Jun 2025.
81	Northern Management Services, Inc. Top agencies DOI (Department of the Interior)	$998,918	0.2%	Rank history: not on the FY2021–FY2024 lists and #70 in FY2025; new, not ranked in Jul 2024–Jun 2025.
82	Blackhawk Construction LLC Top agencies USAF (Department of the Air Force)	$981,703	0.2%	Rank history: not on the FY2021–FY2024 lists and #71 in FY2025; new, not ranked in Jul 2024–Jun 2025.
83	Guinzy Construction Inc Top agencies Army (Department of the Army)	$959,009	0.2%	Rank history: not on the FY2021–FY2024 lists and #75 in FY2025; up 198 since Jul 2024–Jun 2025.
84	Matos Builders LLC Top agencies Army (Department of the Army)	$946,768	0.2%	Rank history: not on the FY2021–FY2024 lists and #72 in FY2025; new, not ranked in Jul 2024–Jun 2025.
85	Southwind Construction Services, LLC Top agencies Army (Department of the Army)	$946,362	0.2%	Rank history: #48 in FY2021, #21 in FY2022, #71 in FY2023, #28 in FY2024 and #29 in FY2025; down 59 since Jul 2024–Jun 2025.
86	Aktarius LLC Top agencies Navy (Department of the Navy)	$934,554	0.2%	Rank history: not on the FY2021–FY2024 lists and #73 in FY2025; new, not ranked in Jul 2024–Jun 2025.
87	Agviq LLC Top agencies Navy (Department of the Navy)	$875,766	0.2%	Rank history: not on the FY2021–FY2023 lists, #55 in FY2024 and not on the FY2025 list; new, not ranked in Jul 2024–Jun 2025.
88	Modern Custom Design LLC Top agencies USAF (Department of the Air Force)	$849,184	0.2%	Rank history: not on the FY2021–FY2024 lists and #76 in FY2025; new, not ranked in Jul 2024–Jun 2025.
89	B3 Construction, Inc. Top agencies DHS (Department of Homeland Security)	$831,244	0.2%	Rank history: not on the FY2021–FY2024 lists and #77 in FY2025; new, not ranked in Jul 2024–Jun 2025.
90	Magna JV Top agencies USAF (Department of the Air Force)	$750,000	0.1%	Rank history: not on the FY2021–FY2023 lists, #83 in FY2024 and not on the FY2025 list; down 13 since Jul 2024–Jun 2025.
91	Mcgary Construction LLC Top agencies DOI (Department of the Interior)	$732,300	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
92	Razor Consulting Solutions, Inc. Top agencies USAF (Department of the Air Force)	$713,327	0.1%	Rank history: #56 in FY2021, #78 in FY2022, not on the FY2023–FY2024 lists and #87 in FY2025; up 165 since Jul 2024–Jun 2025.
93	E2 Contracting, Inc. Top agencies DOI (Department of the Interior)	$705,910	0.1%	Rank history: not on the FY2021–FY2023 lists, #93 in FY2024 and #88 in FY2025; new, not ranked in Jul 2024–Jun 2025.
94	Chitina Diversified Services, LLC Top agencies USAF (Department of the Air Force)	$698,046	0.1%	Rank history: not on the FY2021–FY2022 lists, #58 in FY2023, #7 in FY2024 and not on the FY2025 list; down 87 since Jul 2024–Jun 2025.
95	Laron, LLC Top agencies USAF (Department of the Air Force)	$691,690	0.1%	Rank history: not on the FY2021–FY2024 lists and #91 in FY2025; up 48 since Jul 2024–Jun 2025.
96	M & F Concrete, Inc. Top agencies Army (Department of the Army)	$662,619	0.1%	Rank history: not on the FY2021–FY2024 lists and #80 in FY2025; up 80 since Jul 2024–Jun 2025.
97	Northern Tier Contracting Inc. Top agencies Army (Department of the Army)	$637,900	0.1%	Rank history: not on the FY2021–FY2025 lists; up 119 since Jul 2024–Jun 2025.
98	KHA Civil Engineers, Inc. Top agencies USAF (Department of the Air Force)	$635,784	0.1%	Rank history: not on the FY2021–FY2025 lists; up 58 since Jul 2024–Jun 2025.
99	F.l. Pinto Companies, LLC Top agencies DOI (Department of the Interior)	$602,458	0.1%	Rank history: not on the FY2021 list, #91 in FY2022, not on the FY2023–FY2024 lists and #96 in FY2025; up 95 since Jul 2024–Jun 2025.
100	Harris & Stewart Electrical Inc. Top agencies USAF (Department of the Air Force)	$563,865	0.1%	Rank history: not on the FY2021–FY2023 lists, #73 in FY2024 and #61 in FY2025; down 49 since Jul 2024–Jun 2025.

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100 of 294 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 $551 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.
Period: the trailing 12 months end with the last month that ended at least 90 days ago, because the Department of Defense reports its contract actions to FPDS about 90 days late. The list is rebuilt each night.
Rank changes compare with Jul 2024–Jun 2025. "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.
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 Z2QA contractors in Jul 2025–Jun 2026?

1. Terra Site Constructors LLC ($54.7M), 2. C.w. Roberts Contracting, Incorporated ($27.4M), 3. Maverick Constructors, LLC ($25.4M), 4. Centerre Construction, Inc. ($19.2M), 5. Sevenson Environmental Services, Inc. ($18M), 6. Armitage SAI JV ($17.9M), 7. USA Environmental, Inc. ($15.5M), 8. Doyon Technical Services, LLC ($14.7M), 9. Veterans Development Corporation, Inc. ($14.6M), 10. Web LLC ($14.3M).

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