Top 100 Contractors in PSC 4130: Refrigeration and Air Conditioning Components, FY2023

Name: Top 100 Contractors in PSC 4130: Refrigeration and Air Conditioning Components, FY2023
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2022 – Sep 30, 2023 Code page on GovTribe

The top 10 won 77% of FY2023 PSC 4130 contract dollars

Contract obligations: $187,687,544 Net of deobligations, by contracts coded PSC 4130
Contractors: 381 Parent companies with an obligation
Largest contractor: DCM Clean Air Products, Inc. $67.7 million, 35.6% 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	DCM Clean Air Products, Inc. Top agencies DLA (Defense Logistics Agency)	$67,681,247	35.6%	Rank history: #1 in FY2021, #1 in FY2022 and not on the FY2024–FY2025 lists; unchanged since FY2022.
2	General Dynamics Corporation 2 awardees, including General Dynamics Land Systems Inc. Top agencies Army (Department of the Army)	$27,125,125	14.3%	Rank history: #17 in FY2021, #3 in FY2022 and not on the FY2024–FY2025 lists; up 1 since FY2022.
3	Johnson Controls Security Solutions LLC 4 awardees, including Johnson Controls Navy Systems, LLC and Johnson Controls Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) USDA (Department of Agriculture)	$18,481,616	9.7%	Rank history: #2 in FY2021, #2 in FY2022, #6 in FY2024 and not on the FY2025 list; down 1 since FY2022.
4	BBA Aviation PLC Through Ontic Engineering & Manufacturing, Inc. Top agencies DLA (Defense Logistics Agency)	$9,504,514	5.0%	Rank history: #3 in FY2021, #39 in FY2022 and not on the FY2024–FY2025 lists; up 35 since FY2022.
5	Honeywell International Inc. 2 awardees Top agencies Navy (Department of the Navy) Army (Department of the Army)	$8,389,073	4.4%	Rank history: #12 in FY2021, #6 in FY2022, #5 in FY2024 and not on the FY2025 list; up 1 since FY2022.
6	DRS Global Enterprise Solutions Inc Through Engineered Coil Company Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) DHS (Department of Homeland Security)	$5,379,156	2.8%	Rank history: not on the FY2021–FY2022 lists, #9 in FY2024 and not on the FY2025 list; new.
7	Janels Industries Inc. Top agencies DLA (Defense Logistics Agency)	$3,552,520	1.9%	Rank history: #6 in FY2021, #8 in FY2022, #13 in FY2024 and #17 in FY2025; up 1 since FY2022.
8	Leonardo S.p.A. Through Engineered Coil Company Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$2,047,134	1.1%	Rank history: #4 in FY2021, #5 in FY2022, #4 in FY2024 and #5 in FY2025; down 3 since FY2022.
9	Clayton Associates Inc. Top agencies DLA (Defense Logistics Agency)	$1,799,626	0.9%	Rank history: #7 in FY2021, #16 in FY2022, #7 in FY2024 and #9 in FY2025; up 7 since FY2022.
10	Trane U.S. Inc. 2 awardees Top agencies GSA (General Services Administration) Army (Department of the Army) VA (Department of Veterans Affairs)	$1,755,167	0.9%	Rank history: #10 in FY2021, #17 in FY2022, #10 in FY2024 and not on the FY2025 list; up 7 since FY2022.
11	Parker-Hannifin Corporation Top agencies DLA (Defense Logistics Agency)	$1,559,022	0.8%	Rank history: #11 in FY2021, #9 in FY2022 and not on the FY2024–FY2025 lists; down 2 since FY2022.
12	DAE Won Commercial Co. Top agencies Army (Department of the Army)	$1,179,322	0.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
13	Kyoongwon Jonghap Sangsa Top agencies Army (Department of the Army)	$1,147,742	0.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
14	SAFRAN Through Enviro Systems Inc. Top agencies Army (Department of the Army)	$1,099,512	0.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
15	Its Top agencies Army (Department of the Army)	$1,074,831	0.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
16	Warfighter Focused Logistics Inc. Top agencies DLA (Defense Logistics Agency)	$961,795	0.5%	Rank history: #67 in FY2021, #19 in FY2022, #23 in FY2024 and #15 in FY2025; up 3 since FY2022.
17	Pyungwoo Co. Top agencies Army (Department of the Army)	$949,797	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
18	HY General Trade Company Top agencies Army (Department of the Army)	$932,434	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
19	OCS Construction Services Inc. Top agencies DHS (Department of Homeland Security)	$921,898	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
20	Government of the United States 2 awardees, including Federal Prison Industries, Inc. Top agencies Army (Department of the Army) DOJ (Department of Justice)	$917,596	0.5%	Rank history: #15 in FY2021, #49 in FY2022, #15 in FY2024 and #24 in FY2025; up 29 since FY2022.
21	Sejun Company Top agencies Army (Department of the Army)	$906,978	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
22	Weathertrol Maintenance Corp Top agencies VA (Department of Veterans Affairs)	$895,795	0.5%	Rank history: not on the FY2021–FY2022 lists, #12 in FY2024 and not on the FY2025 list; new.
23	Hunter Defense Technolog Through HDT Expeditionary Systems Inc. Top agencies USAF (Department of the Air Force)	$880,836	0.5%	Rank history: #8 in FY2021, #4 in FY2022 and not on the FY2024–FY2025 lists; down 19 since FY2022.
24	Cospolich Inc. Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$821,227	0.4%	Rank history: #26 in FY2021, #35 in FY2022, #26 in FY2024 and #13 in FY2025; up 11 since FY2022.
25	Flagship Marine, Inc. Top agencies Navy (Department of the Navy)	$787,900	0.4%	Rank history: #61 in FY2021, #15 in FY2022 and not on the FY2024–FY2025 lists; down 10 since FY2022.
26	Carrier Rental Systems Inc Top agencies USAF (Department of the Air Force)	$706,986	0.4%	Rank history: not on the FY2021–FY2022 lists, #63 in FY2024 and not on the FY2025 list; new.
27	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$685,946	0.4%	Rank history: #22 in FY2021, #27 in FY2022, #17 in FY2024 and #30 in FY2025; unchanged since FY2022.
28	ECI Defense Group, Inc. 2 awardees Top agencies DLA (Defense Logistics Agency)	$653,246	0.3%	Rank history: #89 in FY2021, #45 in FY2022, #24 in FY2024 and #11 in FY2025; up 17 since FY2022.
29	Star Rex Korea Co., Ltd. Top agencies Army (Department of the Army)	$582,708	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
30	Global Company Alliance Co., Ltd. Top agencies Army (Department of the Army)	$579,752	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
31	Lektron Inc. Top agencies Army (Department of the Army)	$547,305	0.3%	Rank history: not on the FY2021–FY2022 lists, #39 in FY2024 and not on the FY2025 list; new.
32	Finelogix Co.,Ltd. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$528,673	0.3%	Rank history: not on the FY2021–FY2022 lists, #75 in FY2024 and not on the FY2025 list; new.
33	Accentz, Inc. Top agencies USAF (Department of the Air Force)	$490,300	0.3%	Rank history: #59 in FY2021, #22 in FY2022, not on the FY2024 list and #68 in FY2025; down 11 since FY2022.
34	Carrier Australia PTY Ltd Top agencies DOS (Department of State)	$473,668	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
35	Science Applications International Corporation Through Asrc Federal Facilities Logistics, LLC Top agencies DLA (Defense Logistics Agency)	$460,936	0.2%	Rank history: #29 in FY2021, #36 in FY2022, #74 in FY2024 and not on the FY2025 list; up 1 since FY2022.
36	Cargotec OYJ 2 awardees, including Macgregor USA Inc. and Independent Rough Terrain Center LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$453,759	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 76 since FY2022.
37	Transupport Inc. Top agencies DLA (Defense Logistics Agency)	$437,140	0.2%	Rank history: not on the FY2021 list, #60 in FY2022, #20 in FY2024 and #31 in FY2025; up 23 since FY2022.
38	Johnson Controls Industries 4 awardees, including Johnson Controls, Inc. and Johnson Controls Building Automation Systems, LLC Top agencies Navy (Department of the Navy) DOS (Department of State) DOJ (Department of Justice)	$436,022	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
39	Venergy Group LLC Top agencies VA (Department of Veterans Affairs)	$402,633	0.2%	Rank history: #25 in FY2021, #28 in FY2022, not on the FY2024 list and #90 in FY2025; down 11 since FY2022.
40	Howell Laboratories Inc. Top agencies Navy (Department of the Navy)	$394,484	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
41	The RAE Corporation Top agencies DOT (Department of Transportation)	$393,278	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 209 since FY2022.
42	Chesapeake Marine Refrigeration Corp Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$388,746	0.2%	Rank history: #18 in FY2021, #24 in FY2022, #8 in FY2024 and #14 in FY2025; down 18 since FY2022.
43	Am General LLC Top agencies DLA (Defense Logistics Agency)	$379,974	0.2%	Rank history: not on the FY2021–FY2022 lists, #43 in FY2024 and #28 in FY2025; up 65 since FY2022.
44	TNL Sales LLC Top agencies DLA (Defense Logistics Agency)	$367,387	0.2%	Rank history: not on the FY2021 list, #85 in FY2022 and not on the FY2024–FY2025 lists; up 41 since FY2022.
45	Makpak, LLC Top agencies DLA (Defense Logistics Agency)	$336,909	0.2%	Rank history: not on the FY2021–FY2022 lists, #45 in FY2024 and #41 in FY2025; up 60 since FY2022.
46	Windward Enterprises, LLC Top agencies DLA (Defense Logistics Agency)	$318,195	0.2%	Rank history: #80 in FY2021, #37 in FY2022, #84 in FY2024 and #60 in FY2025; down 9 since FY2022.
47	Mainstream Engineering Corp Top agencies DLA (Defense Logistics Agency)	$316,476	0.2%	Rank history: #94 in FY2021, #11 in FY2022, #3 in FY2024 and #6 in FY2025; down 36 since FY2022.
48	Phoenix Systems Engineering Inc. Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency) DOJ (Department of Justice)	$306,710	0.2%	Rank history: #19 in FY2021, #18 in FY2022, not on the FY2024 list and #44 in FY2025; down 30 since FY2022.
49	Kool Radiator Service Inc. Top agencies DLA (Defense Logistics Agency)	$295,406	0.2%	Rank history: not on the FY2021 list, #79 in FY2022, #36 in FY2024 and not on the FY2025 list; up 30 since FY2022.
50	Air Treatment Corporation Top agencies DOJ (Department of Justice)	$291,144	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
51	R.j. Murray Co., Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$287,659	0.2%	Rank history: #82 in FY2021, #93 in FY2022 and not on the FY2024–FY2025 lists; up 42 since FY2022.
52	Ruta Supplies Inc. Top agencies DLA (Defense Logistics Agency)	$287,082	0.2%	Rank history: #58 in FY2021, #80 in FY2022 and not on the FY2024–FY2025 lists; up 28 since FY2022.
53	S I T Corporation Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$264,003	0.1%	Rank history: #21 in FY2021, #44 in FY2022, #29 in FY2024 and #18 in FY2025; down 9 since FY2022.
54	Clark Air Conditioning Systems, Inc. Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$262,762	0.1%	Rank history: #41 in FY2021, #62 in FY2022, #42 in FY2024 and #36 in FY2025; up 8 since FY2022.
55	Sanford Federal, Inc. Top agencies USAF (Department of the Air Force)	$257,567	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
56	B & H International LLC Top agencies Navy (Department of the Navy)	$256,042	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
57	Quality Refrigeration Company, Inc. 2 awardees Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security) Navy (Department of the Navy)	$252,544	0.1%	Rank history: #13 in FY2021, #25 in FY2022, #16 in FY2024 and #12 in FY2025; down 32 since FY2022.
58	Triple Canopy Inc. Through Centerra Integrated Services, LLC Top agencies Navy (Department of the Navy) Army (Department of the Army)	$248,416	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
59	Jgils, LLC Top agencies DLA (Defense Logistics Agency)	$248,264	0.1%	Rank history: #51 in FY2021, #58 in FY2022, #76 in FY2024 and #53 in FY2025; down 1 since FY2022.
60	Midwest Machinery Company Top agencies USAF (Department of the Air Force)	$238,082	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
61	Phoenix Trading Inc. Top agencies DLA (Defense Logistics Agency)	$235,424	0.1%	Rank history: #56 in FY2021, #78 in FY2022 and not on the FY2024–FY2025 lists; up 17 since FY2022.
62	Air Filter Solutions Inc. Top agencies VA (Department of Veterans Affairs)	$230,930	0.1%	Rank history: #38 in FY2021, #42 in FY2022, #40 in FY2024 and #49 in FY2025; down 20 since FY2022.
63	Great Plains Communications LLC Through Strantech LLC Top agencies USAF (Department of the Air Force)	$221,960	0.1%	Rank history: #52 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
64	J&B Hartigan, Inc. Top agencies VA (Department of Veterans Affairs)	$213,596	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
65	Martin Military Inc. Top agencies DLA (Defense Logistics Agency)	$213,020	0.1%	Rank history: #83 in FY2021, #88 in FY2022, #38 in FY2024 and #37 in FY2025; up 23 since FY2022.
66	Baker Distributing Company LLC Top agencies DLA (Defense Logistics Agency)	$210,394	0.1%	Rank history: not on the FY2021 list, #72 in FY2022 and not on the FY2024–FY2025 lists; up 6 since FY2022.
67	Pioneer Industries, LLC Top agencies DLA (Defense Logistics Agency)	$205,955	0.1%	Rank history: #36 in FY2021, #26 in FY2022, #18 in FY2024 and #4 in FY2025; down 41 since FY2022.
68	Rev-Cap Company, Inc. Top agencies DLA (Defense Logistics Agency)	$205,509	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
69	Statz Corp Top agencies DLA (Defense Logistics Agency) VA (Department of Veterans Affairs)	$202,260	0.1%	Rank history: not on the FY2021–FY2022 lists, #27 in FY2024 and not on the FY2025 list; new.
70	Air Filters Inc. Top agencies DLA (Defense Logistics Agency)	$189,793	0.1%	Rank history: not on the FY2021 list, #89 in FY2022 and not on the FY2024–FY2025 lists; up 19 since FY2022.
71	White RON & Associates LLC Top agencies DLA (Defense Logistics Agency)	$186,961	0.1%	Rank history: #31 in FY2021, #86 in FY2022, not on the FY2024 list and #55 in FY2025; up 15 since FY2022.
72	Aviate Enterprises, Inc. Top agencies USAF (Department of the Air Force) VA (Department of Veterans Affairs) Navy (Department of the Navy)	$184,390	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
73	Daikin Applied Americas Inc Top agencies DOS (Department of State)	$183,677	0.1%	Rank history: #70 in FY2021, #68 in FY2022 and not on the FY2024–FY2025 lists; down 5 since FY2022.
74	Talon Veteran Services Incorporated Top agencies DHS (Department of Homeland Security) USAF (Department of the Air Force) VA (Department of Veterans Affairs)	$181,277	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 78 since FY2022.
75	Tesco Controls LLC Top agencies USAF (Department of the Air Force)	$178,750	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
76	HDT Expeditionary Systems Inc Top agencies USAF (Department of the Air Force)	$176,924	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
77	R & M Government Services Inc. Top agencies DLA (Defense Logistics Agency)	$172,395	0.1%	Rank history: not on the FY2021 list, #56 in FY2022, #34 in FY2024 and #42 in FY2025; down 21 since FY2022.
78	Duramax Marine, LLC Top agencies Army (Department of the Army)	$172,218	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
79	Fritsch GMBH Top agencies USAF (Department of the Air Force)	$171,087	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
80	Gigli Enterprises, Inc. Top agencies DLA (Defense Logistics Agency)	$169,014	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
81	Lunday Heating & Cooling Incorporated Top agencies DOI (Department of the Interior)	$168,000	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
82	Bollinger Shipyards Inc Through Chand, L.L.C. Top agencies DLA (Defense Logistics Agency)	$163,672	0.1%	Rank history: not on the FY2021 list, #55 in FY2022 and not on the FY2024–FY2025 lists; down 27 since FY2022.
83	2Lyons Aerospace LLC Top agencies DLA (Defense Logistics Agency)	$161,251	0.1%	Rank history: not on the FY2021–FY2022 lists, #44 in FY2024 and not on the FY2025 list; up 112 since FY2022.
84	General Aire Systems, Inc. Top agencies Navy (Department of the Navy) Treasury (Department of the Treasury)	$150,175	0.1%	Rank history: #68 in FY2021, #20 in FY2022, #37 in FY2024 and not on the FY2025 list; down 64 since FY2022.
85	P.a.r. Products Co Top agencies DLA (Defense Logistics Agency)	$150,000	0.1%	Rank history: #20 in FY2021, not on the FY2022 list, not on the FY2024 list and #29 in FY2025; up 17 since FY2022.
86	Veterans Elite Inc. Top agencies VA (Department of Veterans Affairs)	$149,790	0.1%	Rank history: not on the FY2021 list, #50 in FY2022 and not on the FY2024–FY2025 lists; down 36 since FY2022.
87	Maine Machine Products Company Through Petersen Incorporated Top agencies USAF (Department of the Air Force)	$146,050	0.1%	Rank history: not on the FY2021–FY2022 lists, #68 in FY2024 and not on the FY2025 list; new.
88	Aldevra LLC Top agencies VA (Department of Veterans Affairs)	$140,215	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
89	Larkos Packing and Distribution Inc. Top agencies DLA (Defense Logistics Agency)	$140,149	0.1%	Rank history: not on the FY2021–FY2022 lists, #62 in FY2024 and #59 in FY2025; up 50 since FY2022.
90	Multimarine Services, Inc. Top agencies DHS (Department of Homeland Security)	$137,430	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 61 since FY2022.
91	Amsted Graphite Materials LLC Through Baltimore Aircoil Company, Inc. Top agencies DOJ (Department of Justice)	$132,524	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 154 since FY2022.
92	Maven Engineering Corporation Top agencies DLA (Defense Logistics Agency)	$132,500	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
93	Antonio C. Mendoza III Top agencies USAF (Department of the Air Force)	$132,063	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
94	Russ Equipment Co., Incorporated Top agencies DHS (Department of Homeland Security)	$128,676	0.1%	Rank history: not on the FY2021 list, #97 in FY2022, #33 in FY2024 and #95 in FY2025; up 3 since FY2022.
95	RNK International, Inc. Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$123,383	0.1%	Rank history: #69 in FY2021, not on the FY2022 list, #58 in FY2024 and #75 in FY2025; up 163 since FY2022.
96	Allied Defense Industries Inc. 2 awardees, including Allied Marine Services LLC Top agencies DLA (Defense Logistics Agency)	$123,369	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 110 since FY2022.
97	901 D LLC Top agencies Navy (Department of the Navy)	$123,334	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 67 since FY2022.
98	3T Business Group LLC Top agencies DLA (Defense Logistics Agency)	$122,254	0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #81 in FY2025; new.
99	Tomahawk Sourcing LLC Top agencies DLA (Defense Logistics Agency)	$117,089	0.1%	Rank history: not on the FY2021–FY2022 lists, #61 in FY2024 and not on the FY2025 list; new.
100	Dreamfind, Inc. Top agencies DLA (Defense Logistics Agency)	$116,743	0.1%	Rank history: #84 in FY2021, not on the FY2022 list, #94 in FY2024 and #82 in FY2025; up 57 since FY2022.

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100 of 381 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 $190 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 2023 ran Oct 1, 2022 – Sep 30, 2023. 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 FY2022. "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 FY2022 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 4130 contractors in FY2023?

1. DCM Clean Air Products, Inc. ($67.7M), 2. General Dynamics Corporation ($27.1M), 3. Johnson Controls Security Solutions LLC ($18.5M), 4. BBA Aviation PLC ($9.5M), 5. Honeywell International Inc. ($8.39M), 6. DRS Global Enterprise Solutions Inc ($5.38M), 7. Janels Industries Inc. ($3.55M), 8. Leonardo S.p.A. ($2.05M), 9. Clayton Associates Inc. ($1.8M), 10. Trane U.S. Inc. ($1.76M).

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