Top 100 Contractors in PSC 4120: Air Conditioning Equipment, FY2025

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Simulation Technologies Inc Top agencies Army (Department of the Army)	$49,664,136	28.4%	Rank history: not on the FY2021–FY2024 lists; new.
2	Johnson Controls Navy Systems, LLC Top agencies Navy (Department of the Navy)	$23,979,363	13.7%	Rank history: not on the FY2021–FY2023 lists and #1 in FY2024; down 1 since FY2024.
3	Kuog Corp Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$19,750,893	11.3%	Rank history: not on the FY2021 list, #3 in FY2022, #3 in FY2023 and #2 in FY2024; down 1 since FY2024.
4	HDT Expeditionary Systems Inc. Top agencies Army (Department of the Army)	$12,028,004	6.9%	Rank history: not on the FY2021–FY2023 lists and #9 in FY2024; up 5 since FY2024.
5	Cam Management and Services, LLC Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$11,059,040	6.3%	Rank history: not on the FY2021–FY2023 lists and #11 in FY2024; up 6 since FY2024.
6	Snowbird Technologies Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$4,945,013	2.8%	Rank history: not on the FY2021 list, #61 in FY2022, not on the FY2023 list and #13 in FY2024; up 7 since FY2024.
7	Accentz, Inc. Top agencies USAF (Department of the Air Force) DHS (Department of Homeland Security)	$2,953,231	1.7%	Rank history: #37 in FY2021, #20 in FY2022, #16 in FY2023 and #19 in FY2024; up 12 since FY2024.
8	Aantilia LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army) VA (Department of Veterans Affairs)	$2,441,817	1.4%	Rank history: #87 in FY2021, #66 in FY2022, #51 in FY2023 and not on the FY2024 list; up 191 since FY2024.
9	Next Generation Logistics, LLC Top agencies Army (Department of the Army)	$1,879,955	1.1%	Rank history: not on the FY2021–FY2024 lists; new.
10	Alaska Structures Inc. Through AKS Industries Inc. Top agencies DLA (Defense Logistics Agency)	$1,699,828	1.0%	Rank history: not on the FY2021–FY2024 lists; up 254 since FY2024.
11	Snodgrass Contracting LLC Top agencies HHS (Department of Health and Human Services)	$1,580,317	0.9%	Rank history: not on the FY2021 list, #11 in FY2022, #14 in FY2023 and #14 in FY2024; up 3 since FY2024.
12	Trane U.s. Inc. Top agencies USAF (Department of the Air Force) VA (Department of Veterans Affairs) DOJ (Department of Justice)	$1,496,494	0.9%	Rank history: #7 in FY2021, #5 in FY2022, #6 in FY2023 and #7 in FY2024; down 5 since FY2024.
13	Advanced Cooling Technologies Inc. Top agencies NASA (National Aeronautics and Space Administration)	$1,431,112	0.8%	Rank history: not on the FY2021–FY2022 lists, #65 in FY2023 and #5 in FY2024; down 8 since FY2024.
14	OST Services, LLC Top agencies VA (Department of Veterans Affairs)	$1,394,185	0.8%	Rank history: not on the FY2021–FY2024 lists; new.
15	Windward Enterprises, LLC Top agencies DLA (Defense Logistics Agency)	$988,070	0.6%	Rank history: #9 in FY2021, not on the FY2022 list, #45 in FY2023 and #33 in FY2024; up 18 since FY2024.
16	Nova Facility Solutions Inc. Top agencies DOJ (Department of Justice)	$949,706	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
17	Aggreko LLC Top agencies Army (Department of the Army) VA (Department of Veterans Affairs)	$909,785	0.5%	Rank history: not on the FY2021–FY2024 lists; up 111 since FY2024.
18	Swain Enterprises LLC Top agencies VA (Department of Veterans Affairs)	$836,400	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
19	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force) Navy (Department of the Navy)	$807,694	0.5%	Rank history: #18 in FY2021, #54 in FY2022, #35 in FY2023 and #20 in FY2024; up 1 since FY2024.
20	Warrior Dynamics LLC Top agencies DOJ (Department of Justice)	$730,999	0.4%	Rank history: not on the FY2021–FY2024 lists; up 308 since FY2024.
21	William A. Harrison, Inc. Top agencies DOT (Department of Transportation) Army (Department of the Army)	$727,892	0.4%	Rank history: not on the FY2021–FY2022 lists, #46 in FY2023 and not on the FY2024 list; up 108 since FY2024.
22	Atlantic Diving Supply, Inc. Top agencies DLA (Defense Logistics Agency)	$696,034	0.4%	Rank history: not on the FY2021–FY2023 lists and #34 in FY2024; up 12 since FY2024.
23	Technologisty LLC Top agencies USAF (Department of the Air Force)	$693,061	0.4%	Rank history: not on the FY2021–FY2024 lists; new.
24	Olgoonik General, LLC Top agencies HHS (Department of Health and Human Services)	$615,153	0.4%	Rank history: not on the FY2021–FY2023 lists and #77 in FY2024; up 53 since FY2024.
25	Daikin Applied Americas Inc Top agencies DOJ (Department of Justice) USAF (Department of the Air Force) DOS (Department of State)	$595,323	0.3%	Rank history: #66 in FY2021, #27 in FY2022, #32 in FY2023 and #24 in FY2024; down 1 since FY2024.
26	Meak Solutions Llc. Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$592,577	0.3%	Rank history: not on the FY2021–FY2023 lists and #44 in FY2024; up 18 since FY2024.
27	Monmouth Solutions, Inc. Top agencies Army (Department of the Army)	$558,527	0.3%	Rank history: not on the FY2021–FY2024 lists; up 76 since FY2024.
28	Professional Heating & Cooling, Inc. Top agencies Navy (Department of the Navy)	$504,575	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
29	Aviate Enterprises, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$483,843	0.3%	Rank history: not on the FY2021–FY2022 lists, #52 in FY2023 and #59 in FY2024; up 30 since FY2024.
30	Astrea Group for Trading and Contracting Top agencies USAF (Department of the Air Force)	$456,043	0.3%	Rank history: #29 in FY2021, not on the FY2022 list, #30 in FY2023 and #66 in FY2024; up 36 since FY2024.
31	Fischer Panda Generators, Inc. Top agencies Army (Department of the Army)	$453,585	0.3%	Rank history: not on the FY2021 list, #23 in FY2022 and not on the FY2023–FY2024 lists; returned.
32	Veterans Elite Inc Top agencies VA (Department of Veterans Affairs)	$448,572	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
33	Duncan Mechanical Services, Inc. Top agencies USAF (Department of the Air Force)	$422,994	0.2%	Rank history: #51 in FY2021 and not on the FY2022–FY2024 lists; returned.
34	Supply King Usa, LLC Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$422,371	0.2%	Rank history: not on the FY2021 list, #69 in FY2022 and not on the FY2023–FY2024 lists; up 70 since FY2024.
35	Competition Unlimited Corporation Top agencies USAF (Department of the Air Force)	$410,950	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
36	Reon Inc. Top agencies HHS (Department of Health and Human Services)	$395,271	0.2%	Rank history: not on the FY2021–FY2022 lists, #36 in FY2023 and #38 in FY2024; up 2 since FY2024.
37	Pelican Residences LLC Top agencies USAF (Department of the Air Force)	$379,723	0.2%	Rank history: not on the FY2021–FY2023 lists and #43 in FY2024; up 6 since FY2024.
38	Direct Line, Inc. Top agencies Army (Department of the Army)	$376,835	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
39	Lee Collins Air Conditioning Company Top agencies USAF (Department of the Air Force) DOJ (Department of Justice) VA (Department of Veterans Affairs)	$375,480	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
40	Portable Air Group LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) VA (Department of Veterans Affairs)	$342,923	0.2%	Rank history: #34 in FY2021, #21 in FY2022, #15 in FY2023 and #21 in FY2024; down 19 since FY2024.
41	H.a. Gray & Associates, Inc. Top agencies USAF (Department of the Air Force)	$338,990	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
42	Johnson Controls Inc 2 awardees, including Johnson Controls Industries Top agencies WHS (DOD Washington Headquarters Service) DOS (Department of State) USAF (Department of the Air Force)	$337,104	0.2%	Rank history: not on the FY2021–FY2023 lists and #47 in FY2024; up 5 since FY2024.
43	Amalgamated Services Inc. Top agencies USAF (Department of the Air Force) GSA (General Services Administration) Army (Department of the Army)	$333,178	0.2%	Rank history: not on the FY2021–FY2024 lists; up 186 since FY2024.
44	Techorbits,Inc. Top agencies Navy (Department of the Navy)	$322,000	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
45	Results Sales & Service, L.L.C. Top agencies VA (Department of Veterans Affairs)	$312,575	0.2%	Rank history: not on the FY2021–FY2023 lists and #28 in FY2024; down 17 since FY2024.
46	R P Mechanical Hvacr LLC Top agencies VA (Department of Veterans Affairs)	$293,576	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
47	Cole-Parmer Instrument Co LLC Top agencies DOL (Department of Labor)	$291,457	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
48	RTX Corporation Through Hamilton Sundstrand Corporation Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$287,855	0.2%	Rank history: #48 in FY2021, #15 in FY2022, #5 in FY2023 and #12 in FY2024; down 36 since FY2024.
49	Imeco Inc. Top agencies Navy (Department of the Navy)	$270,619	0.2%	Rank history: not on the FY2021–FY2024 lists; up 159 since FY2024.
50	TECH Service Solutions LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$269,109	0.2%	Rank history: not on the FY2021–FY2024 lists; up 92 since FY2024.
51	Leonardo S.p.A. Through Engineered Coil Company Top agencies DHS (Department of Homeland Security) DLA (Defense Logistics Agency) Navy (Department of the Navy)	$265,549	0.2%	Rank history: not on the FY2021 list, #46 in FY2022, not on the FY2023 list and #39 in FY2024; down 12 since FY2024.
52	Boaen Mechanical Contractor, Inc. Top agencies DOJ (Department of Justice)	$249,860	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
53	Capp LLC Top agencies Army (Department of the Army) DOJ (Department of Justice) Navy (Department of the Navy)	$240,810	0.1%	Rank history: not on the FY2021–FY2022 lists, #68 in FY2023 and #93 in FY2024; up 40 since FY2024.
54	Shoreline Mechanical LLC Top agencies Army (Department of the Army)	$239,865	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
55	BCI Services Inc. Top agencies USAF (Department of the Air Force)	$239,332	0.1%	Rank history: not on the FY2021–FY2023 lists and #86 in FY2024; up 31 since FY2024.
56	Walco Enterprises Inc. Top agencies USAF (Department of the Air Force)	$233,500	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
57	CD Mechanical, Inc. Top agencies Navy (Department of the Navy)	$232,976	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
58	Southern Aire Contracting, Inc. Top agencies USAF (Department of the Air Force)	$229,406	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
59	Nodak Electric & Construction, Inc. Top agencies Army (Department of the Army)	$227,800	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
60	Fritsch GMBH Top agencies USAF (Department of the Air Force)	$220,984	0.1%	Rank history: not on the FY2021 list, #71 in FY2022, #69 in FY2023 and not on the FY2024 list; returned.
61	Blackhawk Construction LLC Top agencies USAF (Department of the Air Force)	$219,037	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
62	Loumis Air, LLC Top agencies Commerce (Department of Commerce)	$212,700	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
63	Trillamed LLC Top agencies VA (Department of Veterans Affairs)	$210,546	0.1%	Rank history: not on the FY2021–FY2024 lists; up 70 since FY2024.
64	Gulf Geoexchange and Consulting Services, Inc. Top agencies Army (Department of the Army)	$210,447	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
65	Government of the United States Through Federal Prison Industries, Inc. Top agencies DOI (Department of the Interior) Army (Department of the Army)	$204,809	0.1%	Rank history: #81 in FY2021, #81 in FY2022, #37 in FY2023 and #31 in FY2024; down 34 since FY2024.
66	Vertiv Corporation Top agencies USAF (Department of the Air Force)	$203,197	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
67	TL Services, Inc. Top agencies VA (Department of Veterans Affairs)	$201,701	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
68	Technical Laboratory Systems Inc. Top agencies DOT (Department of Transportation)	$200,720	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
69	Creative Industrial Solutions, LLC Top agencies VA (Department of Veterans Affairs)	$198,500	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
70	Alltemp, Inc. Top agencies USAF (Department of the Air Force) Commerce (Department of Commerce)	$188,788	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
71	Point To Point Systems LLC Top agencies VA (Department of Veterans Affairs)	$187,900	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
72	Mans Trading and Contracting Top agencies USAF (Department of the Air Force)	$185,670	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
73	Taza Supplies Inc. Top agencies USAF (Department of the Air Force)	$181,786	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
74	Al-Abdaa Al-Mumayaz Company Top agencies Army (Department of the Army)	$180,000	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
75	Coil Winding Specialist, Inc. Top agencies USAF (Department of the Air Force)	$179,927	0.1%	Rank history: not on the FY2021–FY2023 lists and #99 in FY2024; up 24 since FY2024.
76	CACI International Inc. Through Caci, Inc. - Federal Top agencies USAF (Department of the Air Force)	$175,382	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
77	FSR Consulting LLC Top agencies VA (Department of Veterans Affairs) GSA (General Services Administration)	$173,087	0.1%	Rank history: not on the FY2021–FY2024 lists; up 97 since FY2024.
78	Statz Corp Top agencies DLA (Defense Logistics Agency)	$170,374	0.1%	Rank history: not on the FY2021–FY2022 lists, #33 in FY2023 and #46 in FY2024; down 32 since FY2024.
79	White Hand Global LLC Top agencies Army (Department of the Army)	$169,787	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
80	Sunbelt Rentals Inc. Top agencies USAF (Department of the Air Force) DOT (Department of Transportation) DOJ (Department of Justice)	$169,059	0.1%	Rank history: not on the FY2021–FY2024 lists; up 160 since FY2024.
81	Westex Group, Inc. Top agencies USAF (Department of the Air Force)	$168,767	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
82	Southworth-Milton, Inc. Top agencies Army (Department of the Army)	$168,024	0.1%	Rank history: not on the FY2021–FY2023 lists and #49 in FY2024; down 33 since FY2024.
83	Suncore Distribution LLC Top agencies Army (Department of the Army)	$164,815	0.1%	Rank history: not on the FY2021–FY2024 lists; up 66 since FY2024.
84	Badger Truck and Automotive Group, Inc. Top agencies Army (Department of the Army)	$161,554	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
85	KSC Federal Contractors LLC Top agencies USAF (Department of the Air Force)	$161,500	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
86	Unlimited Support Services LLC Top agencies DOJ (Department of Justice)	$158,314	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
87	Accuair, LLC Top agencies Commerce (Department of Commerce) DHS (Department of Homeland Security)	$158,205	0.1%	Rank history: #43 in FY2021, not on the FY2022 list, #73 in FY2023 and not on the FY2024 list; up 49 since FY2024.
88	Tech O. R., LLC Top agencies WHS (DOD Washington Headquarters Service) USAF (Department of the Air Force)	$153,176	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
89	Lake Shore Systems Inc. Top agencies Navy (Department of the Navy)	$152,820	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
90	Total Mechanical Services Inc. Top agencies DOT (Department of Transportation)	$147,737	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
91	Sanitz Enterprises, Inc. Top agencies DLA (Defense Logistics Agency)	$145,006	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
92	Tata Express Services LLC Top agencies DOT (Department of Transportation)	$144,899	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
93	Shafer-Anderson Holdings, LLC Top agencies USAF (Department of the Air Force)	$143,942	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
94	Lunday Heating & Cooling Incorporated Top agencies DOI (Department of the Interior)	$139,450	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
95	W.w. Grainger, Inc. Top agencies Navy (Department of the Navy) Commerce (Department of Commerce) DOS (Department of State)	$138,276	0.1%	Rank history: not on the FY2021–FY2024 lists; up 81 since FY2024.
96	Export 220Volt Inc. Top agencies DLA (Defense Logistics Agency) DOS (Department of State) GSA (General Services Administration)	$133,194	0.1%	Rank history: #46 in FY2021, #78 in FY2022 and not on the FY2023–FY2024 lists; up 108 since FY2024.
97	Red Orange North America Top agencies Army (Department of the Army)	$132,628	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
98	Lonergan Electric Service Inc. Top agencies DOT (Department of Transportation)	$132,122	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
99	Chase Supply, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$131,152	0.1%	Rank history: not on the FY2021–FY2024 lists; up 54 since FY2024.
100	Nakamura Kizai Y.k. Top agencies USAF (Department of the Air Force)	$130,966	0.1%	Rank history: not on the FY2021–FY2024 lists; new.

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 $175 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