Top 100 Contractors in PSC Z1JZ: Maintenance of Miscellaneous Buildings, FY2025

Name: Top 100 Contractors in PSC Z1JZ: Maintenance of Miscellaneous Buildings, FY2025
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2024 – Sep 30, 2025 Code page on GovTribe

The top 10 won 46% of FY2025 PSC Z1JZ contract dollars

Contract obligations: $750,767,655 Net of deobligations, by contracts coded PSC Z1JZ
Contractors: 545 Parent companies with an obligation
Largest contractor: Amentum Holdings, Inc. $72.3 million, 9.3% of obligations
Data as of: Oct 14, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Amentum Holdings, Inc. 3 awardees, including Amentum Technology, Inc., PAE Government Services, Inc. and Amentum Services, Inc. Top agencies NASA (National Aeronautics and Space Administration) Navy (Department of the Navy) DOS (Department of State)	$72,304,385	9.3%	Rank history: not on the FY2021–FY2024 lists; new.
2	Nelson Refrigeration Inc. Top agencies DECA (Defense Commissary Agency)	$62,873,207	8.1%	Rank history: #9 in FY2021, not on the FY2022–FY2023 lists and #3 in FY2024; up 1 since FY2024.
3	J & J Maintenance Inc. Top agencies Army (Department of the Army) DECA (Defense Commissary Agency)	$56,791,684	7.3%	Rank history: not on the FY2021–FY2023 lists and #1 in FY2024; down 2 since FY2024.
4	Akima Facilities Operations LLC Top agencies Army (Department of the Army) DOE (Department of Energy)	$50,066,949	6.5%	Rank history: not on the FY2021–FY2023 lists and #6 in FY2024; up 2 since FY2024.
5	Jones Lang Lasalle Americas, Inc. Top agencies DECA (Defense Commissary Agency)	$35,283,382	4.6%	Rank history: not on the FY2021–FY2023 lists and #4 in FY2024; down 1 since FY2024.
6	Elektro-Krueck-Gmbh, Elektroinstallationen Top agencies Army (Department of the Army)	$23,594,331	3.0%	Rank history: #13 in FY2021, not on the FY2022–FY2023 lists and #8 in FY2024; up 2 since FY2024.
7	Bristol Bay Native Corporation Through SES Construction and Fuel Services LLC Top agencies Army (Department of the Army)	$18,108,449	2.3%	Rank history: not on the FY2021–FY2024 lists; new.
8	Dean / Fluor, LLC Top agencies DOJ (Department of Justice)	$14,438,393	1.9%	Rank history: #18 in FY2021, #74 in FY2022, #19 in FY2023 and #27 in FY2024; up 19 since FY2024.
9	Afognak Native Corporation 3 awardees, including "Alutiiq Logistics & Maintenance Services, Llc" and Alutiiq Solutions, LLC Top agencies DISA (Defense Information Systems Agency) DOS (Department of State) USAF (Department of the Air Force)	$12,939,768	1.7%	Rank history: not on the FY2021–FY2023 lists and #42 in FY2024; up 33 since FY2024.
10	Action Facilities Management Inc. Top agencies DOJ (Department of Justice)	$12,785,022	1.7%	Rank history: #21 in FY2021, #28 in FY2022, #8 in FY2023 and #7 in FY2024; down 3 since FY2024.
11	Ahtna Global LLC Top agencies USAF (Department of the Air Force) Commerce (Department of Commerce)	$11,699,463	1.5%	Rank history: not on the FY2021–FY2023 lists and #62 in FY2024; up 51 since FY2024.
12	Siemens Industry Inc. Top agencies HHS (Department of Health and Human Services) Commerce (Department of Commerce)	$11,678,339	1.5%	Rank history: not on the FY2021–FY2023 lists and #15 in FY2024; up 3 since FY2024.
13	Arctic Slope Regional Corporation 2 awardees, including Asrc Federal Field Services, LLC and Asrc Earthworks, LLC Top agencies USAF (Department of the Air Force)	$11,283,504	1.5%	Rank history: #23 in FY2021, #14 in FY2022, #21 in FY2023 and #17 in FY2024; up 4 since FY2024.
14	Collins-Russell 8(A), Llc. Top agencies Army (Department of the Army)	$10,885,828	1.4%	Rank history: #15 in FY2021, not on the FY2022–FY2023 lists and #71 in FY2024; up 57 since FY2024.
15	Kekolu Contracting, LLC Top agencies Navy (Department of the Navy)	$10,258,247	1.3%	Rank history: not on the FY2021–FY2024 lists; up 89 since FY2024.
16	R-Con Construction Inc. Top agencies USAF (Department of the Air Force)	$9,499,053	1.2%	Rank history: #51 in FY2021, #7 in FY2022, #28 in FY2023 and #9 in FY2024; down 7 since FY2024.
17	Kiris, LLC Top agencies Army (Department of the Army)	$8,307,438	1.1%	Rank history: not on the FY2021–FY2023 lists and #88 in FY2024; up 71 since FY2024.
18	CAS FSE JV II LLC Top agencies HHS (Department of Health and Human Services)	$8,227,229	1.1%	Rank history: not on the FY2021–FY2024 lists; new.
19	EG Designbuild, L.L.C. Top agencies DOS (Department of State)	$8,159,726	1.1%	Rank history: not on the FY2021–FY2023 lists and #38 in FY2024; up 19 since FY2024.
20	Tuckman-Barbee Construction Co., Inc. Top agencies Navy (Department of the Navy)	$7,977,781	1.0%	Rank history: not on the FY2021–FY2023 lists and #14 in FY2024; down 6 since FY2024.
21	Cypress-Sbs JV LLC Top agencies Army (Department of the Army)	$7,787,963	1.0%	Rank history: #17 in FY2021, #11 in FY2022, #12 in FY2023 and #19 in FY2024; down 2 since FY2024.
22	Edifice Services JV, LLC Top agencies Commerce (Department of Commerce)	$7,396,143	1.0%	Rank history: not on the FY2021–FY2024 lists; new.
23	CCS King George LLC Top agencies Army (Department of the Army)	$6,715,844	0.9%	Rank history: not on the FY2021–FY2022 lists, #36 in FY2023 and #31 in FY2024; up 8 since FY2024.
24	Native American Services Corp. Top agencies USAF (Department of the Air Force)	$6,692,018	0.9%	Rank history: #60 in FY2021, #17 in FY2022, #34 in FY2023 and #36 in FY2024; up 12 since FY2024.
25	Mirador Enterprises, Inc. Top agencies USAF (Department of the Air Force)	$6,668,389	0.9%	Rank history: #26 in FY2021, #44 in FY2022, #31 in FY2023 and #40 in FY2024; up 15 since FY2024.
26	Quality Roofers and Guttering, Inc. Top agencies Army (Department of the Army)	$6,447,311	0.8%	Rank history: not on the FY2021–FY2024 lists; new.
27	Tidewater, Inc. Top agencies DOS (Department of State)	$6,082,036	0.8%	Rank history: not on the FY2021–FY2024 lists; new.
28	CCI Prime Contractors, LLC Top agencies DHS (Department of Homeland Security)	$5,970,409	0.8%	Rank history: not on the FY2021–FY2023 lists and #65 in FY2024; up 37 since FY2024.
29	Bristol Building Constructors LLC Top agencies DHS (Department of Homeland Security)	$5,692,573	0.7%	Rank history: not on the FY2021–FY2024 lists; new.
30	K2 Contracting Group LLC Top agencies Army (Department of the Army)	$5,528,685	0.7%	Rank history: not on the FY2021–FY2024 lists; new.
31	Kcorp-Dean, LLC Top agencies Commerce (Department of Commerce)	$5,390,499	0.7%	Rank history: not on the FY2021–FY2022 lists, #29 in FY2023 and #28 in FY2024; down 3 since FY2024.
32	Lupini Construction, LLC Top agencies Army (Department of the Army)	$5,305,808	0.7%	Rank history: not on the FY2021–FY2024 lists; new.
33	Coho Technology Solutions, LLC Top agencies Navy (Department of the Navy)	$4,942,923	0.6%	Rank history: not on the FY2021–FY2024 lists; new.
34	Etolin Strait Associates LLC Top agencies Navy (Department of the Navy)	$4,881,947	0.6%	Rank history: not on the FY2021–FY2023 lists and #24 in FY2024; down 10 since FY2024.
35	M.c. Dean, Inc. Top agencies DISA (Defense Information Systems Agency) DOJ (Department of Justice)	$4,799,840	0.6%	Rank history: #58 in FY2021 and not on the FY2022–FY2024 lists; up 300 since FY2024.
36	Jacobs Government Services Company Through Amentum Technology, Inc. Top agencies NASA (National Aeronautics and Space Administration)	$4,504,866	0.6%	Rank history: not on the FY2021–FY2023 lists and #2 in FY2024; down 34 since FY2024.
37	Koman Construction, LLC Top agencies Navy (Department of the Navy)	$4,439,112	0.6%	Rank history: not on the FY2021–FY2023 lists and #43 in FY2024; up 6 since FY2024.
38	Reasor Building Group LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$4,265,398	0.6%	Rank history: not on the FY2021–FY2022 lists, #32 in FY2023 and #39 in FY2024; up 1 since FY2024.
39	Capital Brand Group LLC Top agencies Navy (Department of the Navy) Commerce (Department of Commerce)	$4,254,037	0.5%	Rank history: not on the FY2021 list, #75 in FY2022, #75 in FY2023 and #26 in FY2024; down 13 since FY2024.
40	S.t.s. - Servizi Tecnologie E Sviluppo S.R.L. Top agencies DECA (Defense Commissary Agency)	$4,252,806	0.5%	Rank history: not on the FY2021–FY2024 lists; up 173 since FY2024.
41	Seneca Federal Solutions, LLC Top agencies Army (Department of the Army)	$4,248,094	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
42	Noresco, LLC Top agencies DOJ (Department of Justice)	$4,054,630	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
43	Olgoonik Enterprises, LLC Top agencies Commerce (Department of Commerce) USAF (Department of the Air Force)	$3,828,350	0.5%	Rank history: #28 in FY2021, #51 in FY2022, #17 in FY2023 and #12 in FY2024; down 31 since FY2024.
44	Koman Government Solutions LLC Top agencies Navy (Department of the Navy)	$3,647,826	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
45	Interdyne Corp Top agencies Army (Department of the Army)	$3,523,407	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
46	OEG Inc. Top agencies DOS (Department of State)	$3,418,392	0.4%	Rank history: not on the FY2021–FY2023 lists and #16 in FY2024; down 30 since FY2024.
47	Belt Built Contracting, LLC Top agencies Commerce (Department of Commerce)	$3,411,021	0.4%	Rank history: #46 in FY2021, not on the FY2022–FY2023 lists and #58 in FY2024; up 11 since FY2024.
48	Peak Facility Solutions LLC Top agencies Commerce (Department of Commerce)	$3,315,521	0.4%	Rank history: #63 in FY2021, not on the FY2022 list, #61 in FY2023 and #45 in FY2024; down 3 since FY2024.
49	Weston Solutions Holdings Inc Through Weston Solutions Inc. Top agencies Army (Department of the Army)	$3,213,130	0.4%	Rank history: not on the FY2021–FY2024 lists; new.
50	Structsure Projects Inc. Top agencies Army (Department of the Army)	$3,131,877	0.4%	Rank history: not on the FY2021 list, #2 in FY2022, #13 in FY2023 and not on the FY2024 list; up 235 since FY2024.
51	Re-Engineered Business Solutions, Inc. Top agencies Army (Department of the Army)	$3,031,441	0.4%	Rank history: #40 in FY2021, #48 in FY2022, #57 in FY2023 and #55 in FY2024; up 4 since FY2024.
52	Pride Industries Top agencies Army (Department of the Army)	$2,970,301	0.4%	Rank history: not on the FY2021 list, #37 in FY2022, #54 in FY2023 and #44 in FY2024; down 8 since FY2024.
53	Turner Construction Company Top agencies Army (Department of the Army)	$2,968,501	0.4%	Rank history: not on the FY2021–FY2024 lists; up 265 since FY2024.
54	Hensel Phelps Construction Co 2 awardees, including Hensel Phelps Services LLC Top agencies Commerce (Department of Commerce)	$2,949,511	0.4%	Rank history: #2 in FY2021, not on the FY2022 list, #43 in FY2023 and #53 in FY2024; down 1 since FY2024.
55	Bristol Design Build Services, LLC Top agencies Army (Department of the Army)	$2,868,649	0.4%	Rank history: not on the FY2021–FY2024 lists; new.
56	Semper TEK Inc Top agencies Army (Department of the Army)	$2,589,359	0.3%	Rank history: not on the FY2021 list, #21 in FY2022, #83 in FY2023 and #80 in FY2024; up 24 since FY2024.
57	HHI Corporation Top agencies Commerce (Department of Commerce)	$2,477,104	0.3%	Rank history: not on the FY2021–FY2022 lists, #25 in FY2023 and #20 in FY2024; down 37 since FY2024.
58	OER Services LLC Top agencies Army (Department of the Army)	$2,370,010	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
59	Dongkuk Structures & Construction Company Limited Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$2,272,971	0.3%	Rank history: not on the FY2021–FY2023 lists and #32 in FY2024; down 27 since FY2024.
60	Sori E&C Co.,Ltd Top agencies Army (Department of the Army)	$2,249,744	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
61	American Engineering Corporation Top agencies Navy (Department of the Navy)	$2,173,340	0.3%	Rank history: not on the FY2021–FY2023 lists and #92 in FY2024; up 31 since FY2024.
62	Mesa Verde Enterprises Inc. Top agencies USAF (Department of the Air Force)	$2,167,767	0.3%	Rank history: #27 in FY2021, #29 in FY2022, not on the FY2023 list and #67 in FY2024; up 5 since FY2024.
63	EXP U.S. Services Inc. Through EXP Federal Inc. Top agencies DOS (Department of State) Army (Department of the Army)	$1,943,286	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
64	GMB Inc. Top agencies Navy (Department of the Navy)	$1,888,747	0.2%	Rank history: #65 in FY2021, #64 in FY2022, #53 in FY2023 and #59 in FY2024; down 5 since FY2024.
65	JBW Group LLC Top agencies Navy (Department of the Navy)	$1,884,193	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
66	Herman Construction Group, Inc. Top agencies Army (Department of the Army)	$1,796,734	0.2%	Rank history: #4 in FY2021, #8 in FY2022, #7 in FY2023 and #77 in FY2024; up 11 since FY2024.
67	Arkel International, L.L.C. Top agencies DOS (Department of State)	$1,794,841	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
68	Front Range Construction Inc. Top agencies Commerce (Department of Commerce)	$1,752,637	0.2%	Rank history: #49 in FY2021, not on the FY2022 list, #88 in FY2023 and #57 in FY2024; down 11 since FY2024.
69	Sustainable Building Solutions, LLC Top agencies Navy (Department of the Navy)	$1,750,689	0.2%	Rank history: not on the FY2021–FY2024 lists; up 200 since FY2024.
70	Ers-Cye JV II, LLC Top agencies Navy (Department of the Navy)	$1,728,023	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
71	Dawson Mcg, Inc. Top agencies Navy (Department of the Navy)	$1,711,496	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
72	Aktarius LLC Top agencies Commerce (Department of Commerce)	$1,697,293	0.2%	Rank history: not on the FY2021–FY2023 lists and #75 in FY2024; up 3 since FY2024.
73	CAS FSE JV LLC Top agencies Army (Department of the Army)	$1,682,366	0.2%	Rank history: #62 in FY2021, #72 in FY2022, #63 in FY2023 and #70 in FY2024; down 3 since FY2024.
74	Benaka, Inc. Top agencies Navy (Department of the Navy)	$1,674,000	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
75	Structural Engineering Group Inc. Top agencies DOJ (Department of Justice)	$1,669,358	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
76	Aed, Inc. Through AED Stratecon, LLC Top agencies DOS (Department of State)	$1,617,976	0.2%	Rank history: not on the FY2021–FY2022 lists, #14 in FY2023 and #5 in FY2024; down 71 since FY2024.
77	Sindongyang Elevator Co.,Ltd Top agencies Army (Department of the Army)	$1,582,482	0.2%	Rank history: #98 in FY2021, #70 in FY2022, #91 in FY2023 and #89 in FY2024; up 12 since FY2024.
78	Satellite Services Inc. Top agencies Commerce (Department of Commerce) DISA (Defense Information Systems Agency)	$1,581,255	0.2%	Rank history: not on the FY2021–FY2023 lists and #94 in FY2024; up 16 since FY2024.
79	Nippo Corporation Top agencies Army (Department of the Army)	$1,548,730	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
80	Bluefin, LLC Top agencies HHS (Department of Health and Human Services)	$1,542,605	0.2%	Rank history: not on the FY2021–FY2022 lists, #98 in FY2023 and #76 in FY2024; down 4 since FY2024.
81	Dawson Enterprises, Inc. Top agencies GSA (General Services Administration) Navy (Department of the Navy)	$1,535,282	0.2%	Rank history: not on the FY2021 list, #27 in FY2022, #68 in FY2023 and #51 in FY2024; down 30 since FY2024.
82	Sustainable Group / Terraphase Engineering JV LLC Top agencies DHS (Department of Homeland Security)	$1,477,350	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
83	D&D Construction Services JV, LLC Top agencies Commerce (Department of Commerce)	$1,418,221	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
84	Gcr-Dean LLC Top agencies Commerce (Department of Commerce)	$1,381,628	0.2%	Rank history: not on the FY2021–FY2024 lists; up 85 since FY2024.
85	Mission Contracting Inc. Top agencies Commerce (Department of Commerce)	$1,302,708	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
86	Yerkes South Inc. Top agencies Navy (Department of the Navy)	$1,300,513	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
87	Omega Belt Built Construction Services JV, LLC Top agencies DHS (Department of Homeland Security)	$1,299,804	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
88	Gfkk Gesellschaft FÜR Kältetechnik-Klimatechnik MIT Beschränkter Haftung Top agencies DECA (Defense Commissary Agency)	$1,276,742	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
89	AFG Group Inc. Top agencies Commerce (Department of Commerce)	$1,211,142	0.2%	Rank history: not on the FY2021 list, #93 in FY2022 and not on the FY2023–FY2024 lists; returned.
90	Royal Arc Welding Company, LLC Top agencies Army (Department of the Army)	$1,197,895	0.2%	Rank history: not on the FY2021–FY2024 lists; up 12 since FY2024.
91	Property & Environmental Management Inc. Top agencies DOS (Department of State)	$1,176,349	0.2%	Rank history: not on the FY2021–FY2024 lists; up 46 since FY2024.
92	Puyenpa Construction LLC Top agencies Army (Department of the Army)	$1,161,494	0.2%	Rank history: not on the FY2021–FY2024 lists; up 32 since FY2024.
93	Oregon State University Top agencies Commerce (Department of Commerce)	$1,129,844	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
94	Native Sons, Ltd. Top agencies Commerce (Department of Commerce)	$1,106,365	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
95	Brown Point Facility Management Solutions, LLC Top agencies DOJ (Department of Justice) USDA (Department of Agriculture) DHS (Department of Homeland Security)	$1,092,988	0.1%	Rank history: not on the FY2021–FY2024 lists; up 58 since FY2024.
96	Quality Elevator Co., LLC Top agencies Commerce (Department of Commerce)	$993,740	0.1%	Rank history: #97 in FY2021, #99 in FY2022 and not on the FY2023–FY2024 lists; up 10 since FY2024.
97	Protec Facility Solutions GMBH Top agencies DECA (Defense Commissary Agency)	$971,814	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
98	SKE Technical Services GMBH Top agencies DECA (Defense Commissary Agency)	$924,354	0.1%	Rank history: not on the FY2021–FY2024 lists; up 372 since FY2024.
99	Nve, Inc. Top agencies DOS (Department of State)	$924,343	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
100	Fuduric GMBH & Co. KG Top agencies DECA (Defense Commissary Agency)	$911,105	0.1%	Rank history: not on the FY2021–FY2024 lists; up 132 since FY2024.

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100 of 545 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 $774 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 2025 ran Oct 1, 2024 – Sep 30, 2025. 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 FY2024. "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 FY2024 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 Z1JZ contractors in FY2025?

1. Amentum Holdings, Inc. ($72.3M), 2. Nelson Refrigeration Inc. ($62.9M), 3. J & J Maintenance Inc. ($56.8M), 4. Akima Facilities Operations LLC ($50.1M), 5. Jones Lang Lasalle Americas, Inc. ($35.3M), 6. Elektro-Krueck-Gmbh, Elektroinstallationen ($23.6M), 7. Bristol Bay Native Corporation ($18.1M), 8. Dean / Fluor, LLC ($14.4M), 9. Afognak Native Corporation ($12.9M), 10. Action Facilities Management Inc. ($12.8M).

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