Top 100 Contractors in PSC 6620: Engine Instruments, FY2023

Name: Top 100 Contractors in PSC 6620: Engine Instruments, FY2023
Creator: GovTribe

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

The top 10 won 78% of FY2023 PSC 6620 contract dollars

Contract obligations: $55,281,439 Net of deobligations, by contracts coded PSC 6620
Contractors: 154 Parent companies with an obligation
Largest contractor: Kohler Co. $20.1 million, 34.2% 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	Kohler Co. Top agencies DOT (Department of Transportation)	$20,116,967	34.2%	Rank history: #1 in FY2021, #1 in FY2022, #4 in FY2024 and #27 in FY2025; unchanged since FY2022.
2	General Nucleonics, Inc. Top agencies Navy (Department of the Navy)	$13,383,875	22.8%	Rank history: #4 in FY2021, #2 in FY2022 and not on the FY2024–FY2025 lists; unchanged since FY2022.
3	Guerrero Professional Services Inc Top agencies DLA (Defense Logistics Agency)	$2,179,549	3.7%	Rank history: not on the FY2021–FY2022 lists, #10 in FY2024 and #2 in FY2025; new.
4	Parker-Hannifin Corporation Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$1,732,656	2.9%	Rank history: #6 in FY2021, #20 in FY2022, #3 in FY2024 and not on the FY2025 list; up 16 since FY2022.
5	Kitco LLC Top agencies DLA (Defense Logistics Agency)	$1,630,193	2.8%	Rank history: not on the FY2021–FY2022 lists, #2 in FY2024 and not on the FY2025 list; new.
6	BBA Aviation PLC Through Ontic Engineering & Manufacturing, Inc. Top agencies DLA (Defense Logistics Agency)	$1,580,870	2.7%	Rank history: #25 in FY2021, #11 in FY2022, #32 in FY2024 and not on the FY2025 list; up 5 since FY2022.
7	General Electric Company 3 awardees, including Unison Industries LLC Top agencies DLA (Defense Logistics Agency)	$1,492,829	2.5%	Rank history: #5 in FY2021, #5 in FY2022, #5 in FY2024 and #22 in FY2025; down 2 since FY2022.
8	Honeywell International Inc. 2 awardees Top agencies DLA (Defense Logistics Agency)	$1,445,792	2.5%	Rank history: #3 in FY2021, #9 in FY2022, not on the FY2024 list and #1 in FY2025; up 1 since FY2022.
9	Aero Precision Industries LLC Through Allclear Aerospace & Defense, Inc. Top agencies DLA (Defense Logistics Agency)	$1,322,079	2.2%	Rank history: #2 in FY2021, #6 in FY2022, #14 in FY2024 and not on the FY2025 list; down 3 since FY2022.
10	BAE Systems PLC Through BAE Systems Information and Electronic Systems Integration Inc. Top agencies Navy (Department of the Navy)	$1,096,076	1.9%	Rank history: #14 in FY2021, #8 in FY2022 and not on the FY2024–FY2025 lists; down 2 since FY2022.
11	Wencor Group LLC Through Kitco LLC Top agencies DLA (Defense Logistics Agency)	$853,658	1.5%	Rank history: not on the FY2021 list, #17 in FY2022 and not on the FY2024–FY2025 lists; up 6 since FY2022.
12	Air Instro, Inc. Top agencies DLA (Defense Logistics Agency)	$719,151	1.2%	Rank history: not on the FY2021 list, #12 in FY2022, #12 in FY2024 and #28 in FY2025; unchanged since FY2022.
13	Jamaica Bearings Co., Inc. Top agencies DLA (Defense Logistics Agency)	$610,776	1.0%	Rank history: #18 in FY2021, not on the FY2022 list, #51 in FY2024 and #7 in FY2025; returned.
14	Transaero, Inc. Top agencies DLA (Defense Logistics Agency)	$538,000	0.9%	Rank history: #15 in FY2021, #15 in FY2022, #16 in FY2024 and #13 in FY2025; up 1 since FY2022.
15	Gigli Enterprises, Inc. Top agencies DLA (Defense Logistics Agency)	$470,608	0.8%	Rank history: #33 in FY2021, #21 in FY2022, #27 in FY2024 and #16 in FY2025; up 6 since FY2022.
16	Aarcorp Through AAR Supply Chain, Inc. Top agencies DLA (Defense Logistics Agency)	$414,918	0.7%	Rank history: #8 in FY2021, #7 in FY2022, #21 in FY2024 and not on the FY2025 list; down 9 since FY2022.
17	Westbase Inc Through Phaostron Instrument and Electronic Company Top agencies DLA (Defense Logistics Agency)	$387,594	0.7%	Rank history: #9 in FY2021, #10 in FY2022, #7 in FY2024 and #17 in FY2025; down 7 since FY2022.
18	Lockheed Martin Corporation Through Sikorsky Aircraft Corporation Top agencies DLA (Defense Logistics Agency)	$355,403	0.6%	Rank history: #24 in FY2021, #19 in FY2022, #6 in FY2024 and #38 in FY2025; up 1 since FY2022.
19	Danaher Corporation Through Pall Aeropower Corporation Top agencies DLA (Defense Logistics Agency)	$310,546	0.5%	Rank history: #20 in FY2021, #44 in FY2022, #40 in FY2024 and not on the FY2025 list; up 25 since FY2022.
20	Service & Sales Inc. Top agencies DLA (Defense Logistics Agency)	$235,123	0.4%	Rank history: not on the FY2021 list, #65 in FY2022, #19 in FY2024 and #44 in FY2025; up 45 since FY2022.
21	Aircraft Instruments Co Top agencies DLA (Defense Logistics Agency)	$230,404	0.4%	Rank history: #32 in FY2021, #22 in FY2022, #25 in FY2024 and #32 in FY2025; up 1 since FY2022.
22	Rolls-Royce Military Aero Engines Ltd Through Rolls-Royce Corporation Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$229,813	0.4%	Rank history: not on the FY2021 list, #18 in FY2022, #26 in FY2024 and not on the FY2025 list; down 4 since FY2022.
23	Bollinger Shipyards Inc Through Chand, L.L.C. Top agencies DLA (Defense Logistics Agency)	$220,191	0.4%	Rank history: not on the FY2021 list, #68 in FY2022, #81 in FY2024 and not on the FY2025 list; up 45 since FY2022.
24	Secure Components, LLC Top agencies DLA (Defense Logistics Agency)	$196,456	0.3%	Rank history: #92 in FY2021, not on the FY2022 list, #46 in FY2024 and not on the FY2025 list; returned.
25	EHB Supply Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$193,906	0.3%	Rank history: #21 in FY2021, #23 in FY2022, #42 in FY2024 and #41 in FY2025; down 2 since FY2022.
26	Unified2 Global Packaging Group LLC Top agencies Army (Department of the Army)	$164,340	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
27	Mod-A-Can Inc. Top agencies DLA (Defense Logistics Agency)	$134,414	0.2%	Rank history: #29 in FY2021, #29 in FY2022, #50 in FY2024 and #35 in FY2025; up 2 since FY2022.
28	Kulite Semiconductor Products Inc. Top agencies DLA (Defense Logistics Agency)	$131,392	0.2%	Rank history: #27 in FY2021, #28 in FY2022, #38 in FY2024 and not on the FY2025 list; unchanged since FY2022.
29	Integrated Procurement Technologies Top agencies DLA (Defense Logistics Agency)	$123,768	0.2%	Rank history: not on the FY2021 list, #64 in FY2022 and not on the FY2024–FY2025 lists; up 35 since FY2022.
30	Worldwide Equipment Enterprises Inc. Through Worldwide Equipment Inc. Top agencies DLA (Defense Logistics Agency)	$112,136	0.2%	Rank history: #60 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 87 since FY2022.
31	Custom Manufacturing & Engineering, Inc. Top agencies USAF (Department of the Air Force)	$107,540	0.2%	Rank history: not on the FY2021 list, #14 in FY2022 and not on the FY2024–FY2025 lists; down 17 since FY2022.
32	Airtronics, LLC Top agencies Army (Department of the Army)	$101,924	0.2%	Rank history: not on the FY2021 list, #45 in FY2022 and not on the FY2024–FY2025 lists; up 13 since FY2022.
33	Clark Brothers Instrument Co Top agencies DLA (Defense Logistics Agency)	$98,290	0.2%	Rank history: #22 in FY2021, #32 in FY2022, #39 in FY2024 and #39 in FY2025; down 1 since FY2022.
34	Snap-On Incorporated Through Idsc Holdings LLC Top agencies Navy (Department of the Navy)	$93,215	0.2%	Rank history: not on the FY2021 list, #38 in FY2022 and not on the FY2024–FY2025 lists; up 4 since FY2022.
35	Unison Industries LLC Top agencies DLA (Defense Logistics Agency)	$91,792	0.2%	Rank history: not on the FY2021 list, #25 in FY2022 and not on the FY2024–FY2025 lists; down 10 since FY2022.
36	VC Displays, Inc. Top agencies DLA (Defense Logistics Agency)	$84,700	0.1%	Rank history: #59 in FY2021, not on the FY2022 list, #53 in FY2024 and #86 in FY2025; returned.
37	Jgils, LLC Top agencies DLA (Defense Logistics Agency)	$84,619	0.1%	Rank history: #37 in FY2021, #66 in FY2022, #29 in FY2024 and #82 in FY2025; up 29 since FY2022.
38	Dela Technology Corporation Top agencies DLA (Defense Logistics Agency)	$81,940	0.1%	Rank history: #89 in FY2021, #53 in FY2022, #23 in FY2024 and #23 in FY2025; up 15 since FY2022.
39	Textron Inc. Through Bell Textron Inc. Top agencies DLA (Defense Logistics Agency)	$81,503	0.1%	Rank history: not on the FY2021 list, #97 in FY2022, not on the FY2024 list and #24 in FY2025; up 58 since FY2022.
40	Dreamfind, Inc. Top agencies DLA (Defense Logistics Agency)	$76,842	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
41	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency)	$75,200	0.1%	Rank history: #40 in FY2021, #39 in FY2022, #49 in FY2024 and #67 in FY2025; down 2 since FY2022.
42	Innovative Solutions & Support Inc. Top agencies Navy (Department of the Navy)	$75,170	0.1%	Rank history: #70 in FY2021, #58 in FY2022, #52 in FY2024 and #25 in FY2025; up 16 since FY2022.
43	R & M Government Services Inc. Top agencies DLA (Defense Logistics Agency)	$69,244	0.1%	Rank history: not on the FY2021–FY2022 lists, #67 in FY2024 and not on the FY2025 list; new.
44	ADI American Distributors, LLC Through Newvac LLC Top agencies DLA (Defense Logistics Agency)	$66,000	0.1%	Rank history: #71 in FY2021, not on the FY2022 list, #35 in FY2024 and not on the FY2025 list; returned.
45	Waygate Technologies USA LP Top agencies Navy (Department of the Navy)	$64,776	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
46	2Lyons Aerospace LLC Top agencies DLA (Defense Logistics Agency)	$62,510	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
47	Patriot Military Supply LLC Top agencies DLA (Defense Logistics Agency)	$61,554	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
48	Elbit Systems Ltd Through Elbitamerica, Inc. Top agencies Navy (Department of the Navy)	$60,320	0.1%	Rank history: not on the FY2021 list, #49 in FY2022, #44 in FY2024 and not on the FY2025 list; up 1 since FY2022.
49	Winair Instrument Inc. Top agencies DLA (Defense Logistics Agency)	$60,000	0.1%	Rank history: not on the FY2021 list, #33 in FY2022 and not on the FY2024–FY2025 lists; down 16 since FY2022.
50	Cummins Inc. 2 awardees Top agencies DLA (Defense Logistics Agency)	$58,903	0.1%	Rank history: #62 in FY2021, #48 in FY2022, #31 in FY2024 and #47 in FY2025; down 2 since FY2022.
51	Ross Equipment Inc. Top agencies DLA (Defense Logistics Agency)	$57,837	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
52	Theodor Wille Intertrade GMBH Through Atlantic Diving Supply, Inc. Top agencies DLA (Defense Logistics Agency)	$57,401	0.1%	Rank history: not on the FY2021 list, #75 in FY2022 and not on the FY2024–FY2025 lists; up 23 since FY2022.
53	Badger Truck and Automotive Group, Inc. Top agencies DLA (Defense Logistics Agency)	$57,367	0.1%	Rank history: not on the FY2021–FY2022 lists, #74 in FY2024 and #61 in FY2025; new.
54	Blue Cord Logistic Strategies Inc. Top agencies DLA (Defense Logistics Agency)	$55,175	0.1%	Rank history: #36 in FY2021, not on the FY2022 list, not on the FY2024 list and #63 in FY2025; returned.
55	Northrop Grumman Corporation Through Northrop Grumman Systems Corporation Top agencies DLA (Defense Logistics Agency)	$52,475	0.1%	Rank history: #50 in FY2021, #42 in FY2022, #18 in FY2024 and #20 in FY2025; down 13 since FY2022.
56	Aviarms Support Corp Top agencies DLA (Defense Logistics Agency)	$50,292	0.1%	Rank history: #53 in FY2021, not on the FY2022 list, #54 in FY2024 and #59 in FY2025; up 67 since FY2022.
57	Aviation Procurement Systems, LLC Top agencies DLA (Defense Logistics Agency)	$43,660	0.1%	Rank history: #35 in FY2021, not on the FY2022 list, #58 in FY2024 and not on the FY2025 list; returned.
58	CMC Electronique Inc Through CMC Electronics Inc. Top agencies DLA (Defense Logistics Agency)	$41,297	0.1%	Rank history: #49 in FY2021, not on the FY2022 list, #64 in FY2024 and not on the FY2025 list; returned.
59	LOS Angeles Truck Centers, LLC Top agencies USAF (Department of the Air Force)	$31,770	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
60	Rev-Cap Company, Inc. Top agencies DLA (Defense Logistics Agency)	$30,736	0.1%	Rank history: not on the FY2021 list, #94 in FY2022, #96 in FY2024 and not on the FY2025 list; up 34 since FY2022.
61	Sensor Systems, L.L.C. Top agencies DLA (Defense Logistics Agency)	$28,255	<0.1%	Rank history: not on the FY2021–FY2022 lists, #66 in FY2024 and #37 in FY2025; new.
62	Linmarr Associates, Inc. Top agencies DLA (Defense Logistics Agency)	$25,451	<0.1%	Rank history: not on the FY2021–FY2022 lists, #72 in FY2024 and not on the FY2025 list; up 56 since FY2022.
63	Kennebec Technologies Top agencies DLA (Defense Logistics Agency)	$24,172	<0.1%	Rank history: #79 in FY2021, #99 in FY2022, #98 in FY2024 and not on the FY2025 list; up 36 since FY2022.
64	Standard Calibrations Inc. Top agencies DLA (Defense Logistics Agency)	$23,800	<0.1%	Rank history: not on the FY2021–FY2022 lists, #28 in FY2024 and #58 in FY2025; up 70 since FY2022.
65	Shiloh Industries Inc. Top agencies DLA (Defense Logistics Agency)	$23,712	<0.1%	Rank history: not on the FY2021 list, #72 in FY2022 and not on the FY2024–FY2025 lists; up 7 since FY2022.
66	Z and K Services Inc. Top agencies DLA (Defense Logistics Agency)	$23,553	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
67	TNL Sales LLC Top agencies DLA (Defense Logistics Agency)	$23,084	<0.1%	Rank history: #91 in FY2021, not on the FY2022 list, not on the FY2024 list and #51 in FY2025; up 81 since FY2022.
68	Fuel Systems Inc. Top agencies DLA (Defense Logistics Agency)	$22,606	<0.1%	Rank history: not on the FY2021 list, #57 in FY2022, #17 in FY2024 and not on the FY2025 list; down 11 since FY2022.
69	Soderberg Manufacturing Company, Inc. Top agencies DHS (Department of Homeland Security) DLA (Defense Logistics Agency)	$21,440	<0.1%	Rank history: not on the FY2021 list, #85 in FY2022, #94 in FY2024 and #80 in FY2025; up 16 since FY2022.
70	Speedgoat Inc. Top agencies NASA (National Aeronautics and Space Administration)	$21,383	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
71	Brown Helicopter, Inc. Top agencies DLA (Defense Logistics Agency)	$21,361	<0.1%	Rank history: not on the FY2021 list, #30 in FY2022, not on the FY2024 list and #57 in FY2025; down 41 since FY2022.
72	Rural Route 2, LLC Top agencies Navy (Department of the Navy)	$21,025	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
73	Benz Companies Ltd Top agencies DHS (Department of Homeland Security) DLA (Defense Logistics Agency)	$20,410	<0.1%	Rank history: not on the FY2021–FY2022 lists, #75 in FY2024 and not on the FY2025 list; new.
74	Alabama Engine Company, LLC Top agencies DLA (Defense Logistics Agency)	$19,819	<0.1%	Rank history: #52 in FY2021, #51 in FY2022, #43 in FY2024 and #85 in FY2025; down 23 since FY2022.
75	Riddle Marine, LLC Top agencies USDA (Department of Agriculture)	$19,402	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
76	Military Parts Exchange LLC Through Dynatech International LLC Top agencies DOJ (Department of Justice)	$19,216	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
77	Tomahawk Sourcing LLC Top agencies DLA (Defense Logistics Agency)	$18,978	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
78	Jag Components, LLC Top agencies DLA (Defense Logistics Agency)	$18,675	<0.1%	Rank history: #75 in FY2021, not on the FY2022 list, #78 in FY2024 and #15 in FY2025; returned.
79	Hydraulics International, Inc. Top agencies DLA (Defense Logistics Agency)	$17,889	<0.1%	Rank history: #86 in FY2021, #91 in FY2022, #82 in FY2024 and not on the FY2025 list; up 12 since FY2022.
80	Daughtridge Sales Company, Inc. Top agencies DLA (Defense Logistics Agency)	$17,574	<0.1%	Rank history: #76 in FY2021, #79 in FY2022, #71 in FY2024 and not on the FY2025 list; down 1 since FY2022.
81	RDO Holdings Co. Through RDO Agriculture Equipment Co Top agencies DLA (Defense Logistics Agency)	$17,194	<0.1%	Rank history: not on the FY2021 list, #88 in FY2022 and not on the FY2024–FY2025 lists; up 7 since FY2022.
82	Empire Avionics Corp. Top agencies DLA (Defense Logistics Agency)	$16,926	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 32 since FY2022.
83	Fincantieri Marine Systems North America Inc. Top agencies DLA (Defense Logistics Agency)	$15,386	<0.1%	Rank history: not on the FY2021 list, #96 in FY2022 and not on the FY2024–FY2025 lists; up 13 since FY2022.
84	Volkswagen Aktiengesellschaft Through Everllence Japan Ltd. Top agencies Navy (Department of the Navy)	$15,200	<0.1%	Rank history: not on the FY2021–FY2022 lists, #92 in FY2024 and not on the FY2025 list; new.
85	L3Harris Technologies, Inc. Through L3 Technologies, Inc. Top agencies DHS (Department of Homeland Security)	$15,000	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
86	Bell Boeing Joint Project Office Top agencies DLA (Defense Logistics Agency)	$14,354	<0.1%	Rank history: #82 in FY2021, #84 in FY2022, not on the FY2024 list and #92 in FY2025; down 2 since FY2022.
87	Oshkosh Corp 2 awardees, including Oshkosh Defense LLC and JLG Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$14,332	<0.1%	Rank history: #94 in FY2021, #69 in FY2022, #56 in FY2024 and #60 in FY2025; down 18 since FY2022.
88	Airbus Americas Inc. Through Airbus Helicopters, Inc. Top agencies DHS (Department of Homeland Security)	$14,164	<0.1%	Rank history: #65 in FY2021, not on the FY2022 list, #62 in FY2024 and not on the FY2025 list; returned.
89	Melton Sales & Service Top agencies DLA (Defense Logistics Agency)	$13,674	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 31 since FY2022.
90	Volkswagen AG Through Everllence USA Inc. Top agencies DLA (Defense Logistics Agency)	$13,263	<0.1%	Rank history: #84 in FY2021, not on the FY2022 list, #77 in FY2024 and not on the FY2025 list; returned.
91	Echelon Supply and Service, Inc. Top agencies DLA (Defense Logistics Agency)	$13,211	<0.1%	Rank history: #63 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 34 since FY2022.
92	Vertex LLC Top agencies DLA (Defense Logistics Agency)	$11,989	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
93	Rowan Technologies Inc. Through Inductoheat, Inc. Top agencies NASA (National Aeronautics and Space Administration)	$11,840	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
94	Triman Industries Inc. Top agencies DLA (Defense Logistics Agency)	$11,340	<0.1%	Rank history: not on the FY2021–FY2022 lists, #48 in FY2024 and #66 in FY2025; new.
95	Wastetrans LLC Top agencies DLA (Defense Logistics Agency)	$11,268	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
96	Western Airparts Corporation Top agencies DLA (Defense Logistics Agency)	$10,969	<0.1%	Rank history: not on the FY2021 list, #36 in FY2022 and not on the FY2024–FY2025 lists; down 60 since FY2022.
97	Larkos Packing and Distribution Inc. Top agencies DLA (Defense Logistics Agency)	$10,712	<0.1%	Rank history: #61 in FY2021, #80 in FY2022, #79 in FY2024 and #89 in FY2025; down 17 since FY2022.
98	General Dynamics Corporation Through General Dynamics Land Systems - Canada Corporation Top agencies DLA (Defense Logistics Agency)	$10,560	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 5 since FY2022.
99	Penn Detroit Diesel Allison LLC Through Penn Power Group LLC Top agencies DLA (Defense Logistics Agency)	$10,523	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
100	E-Defense Incorporated Top agencies DLA (Defense Logistics Agency)	$10,350	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.

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100 of 154 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 $58.8 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 6620 contractors in FY2023?

1. Kohler Co. ($20.1M), 2. General Nucleonics, Inc. ($13.4M), 3. Guerrero Professional Services Inc ($2.18M), 4. Parker-Hannifin Corporation ($1.73M), 5. Kitco LLC ($1.63M), 6. BBA Aviation PLC ($1.58M), 7. General Electric Company ($1.49M), 8. Honeywell International Inc. ($1.45M), 9. Aero Precision Industries LLC ($1.32M), 10. BAE Systems PLC ($1.1M).

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