Top 100 Contractors in PSC 6685: Pressure, Temperature, and Humidity Measuring and Controlling Instruments, FY2023

Name: Top 100 Contractors in PSC 6685: Pressure, Temperature, and Humidity Measuring and Controlling Instruments, FY2023
Creator: GovTribe

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

The top 10 won 66% of FY2023 PSC 6685 contract dollars

Contract obligations: $184,380,461 Net of deobligations, by contracts coded PSC 6685
Contractors: 583 Parent companies with an obligation
Largest contractor: Northrop Grumman Corporation $80.2 million, 42.6% 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	Northrop Grumman Corporation 6 awardees, including Northrop Grumman Systems Corp and Northrop Grumman Systems Corpo Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$80,215,374	42.6%	Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2024 and not on the FY2025 list; unchanged since FY2022.
2	RTX Corporation 8 awardees, including Rosemount Aerospace Inc., Hamilton Sundstrand Corporation and Hornet Acquisitionco, LLC Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force) HHS (Department of Health and Human Services)	$11,359,272	6.0%	Rank history: #3 in FY2021, #2 in FY2022, #3 in FY2024 and #15 in FY2025; unchanged since FY2022.
3	King Nutronics Corporation Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$8,828,151	4.7%	Rank history: #2 in FY2021, #3 in FY2022, #22 in FY2024 and #31 in FY2025; unchanged since FY2022.
4	Keysight Technologies, Inc. Top agencies Army (Department of the Army)	$8,013,724	4.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 409 since FY2022.
5	R. S. Means Company LLC 3 awardees, including Fluke Electronics Corp and Setra Systems, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Commerce (Department of Commerce)	$3,546,453	1.9%	Rank history: #6 in FY2021, #5 in FY2022 and not on the FY2024–FY2025 lists; unchanged since FY2022.
6	Raptor Scientific Through Testvonics Inc. Top agencies Navy (Department of the Navy)	$3,128,370	1.7%	Rank history: not on the FY2021 list, #6 in FY2022, #19 in FY2024 and not on the FY2025 list; unchanged since FY2022.
7	MMC Metrology Lab, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$2,775,683	1.5%	Rank history: #8 in FY2021, #8 in FY2022, #9 in FY2024 and #5 in FY2025; up 1 since FY2022.
8	Westbase Inc Through Phaostron Instrument and Electronic Company Top agencies DLA (Defense Logistics Agency)	$2,189,160	1.2%	Rank history: #7 in FY2021, #15 in FY2022, #29 in FY2024 and not on the FY2025 list; up 7 since FY2022.
9	Cameron Energy Services Corp. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$2,100,974	1.1%	Rank history: not on the FY2021 list, #21 in FY2022, #39 in FY2024 and #22 in FY2025; up 12 since FY2022.
10	Danaher Corporation 2 awardees, including Pall Aeropower Corporation and Sea-Bird Electronics, Inc. Top agencies DLA (Defense Logistics Agency) Commerce (Department of Commerce) EPA (Environmental Protection Agency)	$1,623,274	0.9%	Rank history: #16 in FY2021, #23 in FY2022, #2 in FY2024 and #19 in FY2025; up 13 since FY2022.
11	Transaero, Inc. Top agencies DLA (Defense Logistics Agency)	$1,583,257	0.8%	Rank history: #18 in FY2021, #13 in FY2022, #14 in FY2024 and #7 in FY2025; up 2 since FY2022.
12	RH Systems LLC Top agencies Navy (Department of the Navy)	$1,552,770	0.8%	Rank history: #83 in FY2021, #25 in FY2022, #58 in FY2024 and not on the FY2025 list; up 13 since FY2022.
13	Daily Instruments Corporation Through Thermocontrol Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$1,491,422	0.8%	Rank history: #9 in FY2021, #9 in FY2022, #15 in FY2024 and not on the FY2025 list; down 4 since FY2022.
14	Paragon Robotics LLC Top agencies HHS (Department of Health and Human Services)	$1,196,734	0.6%	Rank history: #13 in FY2021, #18 in FY2022, #27 in FY2024 and #49 in FY2025; up 4 since FY2022.
15	Pioneer Industries, LLC Top agencies DLA (Defense Logistics Agency)	$1,050,871	0.6%	Rank history: #25 in FY2021, #30 in FY2022, #59 in FY2024 and #47 in FY2025; up 15 since FY2022.
16	Redtown Technical Services LLC Top agencies Army (Department of the Army)	$1,048,532	0.6%	Rank history: not on the FY2021–FY2022 lists, #41 in FY2024 and not on the FY2025 list; new.
17	Kulite Semiconductor Products Inc. Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force) Navy (Department of the Navy)	$1,019,404	0.5%	Rank history: #10 in FY2021, #7 in FY2022, #8 in FY2024 and #11 in FY2025; down 10 since FY2022.
18	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$963,312	0.5%	Rank history: #23 in FY2021, #22 in FY2022, #36 in FY2024 and #13 in FY2025; up 4 since FY2022.
19	Chase Supply, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$916,632	0.5%	Rank history: #22 in FY2021, #35 in FY2022, #53 in FY2024 and #38 in FY2025; up 16 since FY2022.
20	Daughtridge Sales Company, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) USAF (Department of the Air Force)	$912,633	0.5%	Rank history: #24 in FY2021, #26 in FY2022, #34 in FY2024 and #37 in FY2025; up 6 since FY2022.
21	Amphenol Corporation Through PCB Piezotronics, Inc. Top agencies Army (Department of the Army)	$905,598	0.5%	Rank history: not on the FY2021 list, #59 in FY2022 and not on the FY2024–FY2025 lists; up 38 since FY2022.
22	Moeller Instrument Company, Inc. Top agencies DLA (Defense Logistics Agency)	$896,279	0.5%	Rank history: #14 in FY2021, #29 in FY2022, #42 in FY2024 and #21 in FY2025; up 7 since FY2022.
23	Noresco LLC Through Automated Logic Corporation Top agencies USAF (Department of the Air Force)	$878,855	0.5%	Rank history: #46 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 93 since FY2022.
24	Perma-Cal Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$870,268	0.5%	Rank history: #47 in FY2021, #33 in FY2022, #30 in FY2024 and #23 in FY2025; up 9 since FY2022.
25	Transdigm Group Incorporated 4 awardees, including Harcosemco LLC, Tactair Fluid Controls Inc. and Transicoil LLC Top agencies DLA (Defense Logistics Agency)	$855,525	0.5%	Rank history: #32 in FY2021, #10 in FY2022, #82 in FY2024 and not on the FY2025 list; down 15 since FY2022.
26	Argo Turboserve Corporation Top agencies DLA (Defense Logistics Agency)	$842,155	0.4%	Rank history: #21 in FY2021, #20 in FY2022, #45 in FY2024 and not on the FY2025 list; down 6 since FY2022.
27	AGM Container Controls Inc. Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$836,408	0.4%	Rank history: #37 in FY2021, #27 in FY2022, #24 in FY2024 and #32 in FY2025; unchanged since FY2022.
28	Jamaica Bearings Co., Inc. Top agencies DLA (Defense Logistics Agency)	$828,084	0.4%	Rank history: #45 in FY2021, #41 in FY2022, #50 in FY2024 and #6 in FY2025; up 13 since FY2022.
29	Noris Group GMBH Through Graw Radiosondes GMBH & Co. KG Top agencies Commerce (Department of Commerce)	$811,925	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
30	BAE Systems PLC 3 awardees, including BAE Systems Land & Armaments L.P. and BAE Systems Controls Inc. Top agencies DLA (Defense Logistics Agency)	$709,299	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 71 since FY2022.
31	Standard Calibrations Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$688,996	0.4%	Rank history: #53 in FY2021, #40 in FY2022, #37 in FY2024 and #40 in FY2025; up 9 since FY2022.
32	L3Harris Technologies, Inc. 3 awardees, including L3 Technologies, Inc. and CAE USA Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$685,037	0.4%	Rank history: #17 in FY2021, #11 in FY2022, not on the FY2024 list and #20 in FY2025; down 21 since FY2022.
33	Upchurch Services LLC Top agencies USAF (Department of the Air Force)	$667,275	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
34	VSE Corporation 2 awardees, including VSE Aviation, Inc. Top agencies DLA (Defense Logistics Agency)	$638,998	0.3%	Rank history: not on the FY2021 list, #98 in FY2022 and not on the FY2024–FY2025 lists; up 64 since FY2022.
35	Bollinger Shipyards Inc Through Chand, L.L.C. Top agencies DLA (Defense Logistics Agency)	$618,375	0.3%	Rank history: #36 in FY2021, #19 in FY2022 and not on the FY2024–FY2025 lists; down 16 since FY2022.
36	Treadwell Corporation (Delaware) Top agencies Navy (Department of the Navy)	$616,518	0.3%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #41 in FY2025; up 246 since FY2022.
37	ECI Defense Group, Inc. 2 awardees Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$610,825	0.3%	Rank history: #93 in FY2021, #73 in FY2022, #72 in FY2024 and #45 in FY2025; up 36 since FY2022.
38	General Electric Company 3 awardees, including Druck, LLC Top agencies USDA (Department of Agriculture) Navy (Department of the Navy) DLA (Defense Logistics Agency)	$600,582	0.3%	Rank history: not on the FY2021–FY2022 lists, #32 in FY2024 and #43 in FY2025; up 255 since FY2022.
39	Honeywell International Inc. 5 awardees, including Honeywell Aerospace International Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$598,514	0.3%	Rank history: #20 in FY2021, #16 in FY2022, #13 in FY2024 and #2 in FY2025; down 23 since FY2022.
40	Vaisala OYJ 2 awardees, including Vaisala Inc. Top agencies Commerce (Department of Commerce) DOT (Department of Transportation) USAF (Department of the Air Force)	$594,691	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 370 since FY2022.
41	Nagano Keiki Co. Ltd. 2 awardees, including Ashcroft Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$555,487	0.3%	Rank history: #51 in FY2021, #75 in FY2022, not on the FY2024 list and #85 in FY2025; up 34 since FY2022.
42	Jgils, LLC Top agencies DLA (Defense Logistics Agency)	$501,777	0.3%	Rank history: #39 in FY2021, #55 in FY2022, #78 in FY2024 and #44 in FY2025; up 13 since FY2022.
43	Li-Cor, Inc. Top agencies Army (Department of the Army) Commerce (Department of Commerce)	$496,012	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 216 since FY2022.
44	Boneal, Incorporated Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$468,809	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 277 since FY2022.
45	Leonardo S.p.A. 2 awardees, including DRS Training & Control Systems, LLC Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$448,261	0.2%	Rank history: not on the FY2021 list, #60 in FY2022, not on the FY2024 list and #33 in FY2025; up 15 since FY2022.
46	Lockheed Martin Corporation 4 awardees, including Derco Aerospace, Inc. and Lockheed Martin Sippican, Inc. Top agencies DLA (Defense Logistics Agency) Commerce (Department of Commerce) Navy (Department of the Navy)	$448,097	0.2%	Rank history: #34 in FY2021, #52 in FY2022, #7 in FY2024 and not on the FY2025 list; up 6 since FY2022.
47	H C Merchandisers, Inc. Top agencies DLA (Defense Logistics Agency)	$446,046	0.2%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #94 in FY2025; new.
48	Triman Industries Inc. 2 awardees, including Brighton Cromwell LLC Top agencies DLA (Defense Logistics Agency)	$430,761	0.2%	Rank history: #52 in FY2021, not on the FY2022 list, #11 in FY2024 and #26 in FY2025; up 67 since FY2022.
49	Aarcorp Through AAR Supply Chain, Inc. Top agencies DLA (Defense Logistics Agency)	$423,593	0.2%	Rank history: #48 in FY2021, #44 in FY2022, #67 in FY2024 and not on the FY2025 list; down 5 since FY2022.
50	Thunder Scientific Corp Top agencies Navy (Department of the Navy) Commerce (Department of Commerce)	$422,426	0.2%	Rank history: #31 in FY2021, not on the FY2022 list, #56 in FY2024 and not on the FY2025 list; returned.
51	Rolls-Royce Military Aero Engines Ltd Through Rolls-Royce Corporation Top agencies DLA (Defense Logistics Agency)	$415,871	0.2%	Rank history: #4 in FY2021, #4 in FY2022 and not on the FY2024–FY2025 lists; down 47 since FY2022.
52	Stealth Supply Inc Top agencies DLA (Defense Logistics Agency)	$383,627	0.2%	Rank history: not on the FY2021–FY2022 lists, #31 in FY2024 and #63 in FY2025; new.
53	Fairbanks Morse LLC Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$381,274	0.2%	Rank history: #76 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 117 since FY2022.
54	Paroscientific, Inc. Top agencies Navy (Department of the Navy) Commerce (Department of Commerce)	$360,738	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 57 since FY2022.
55	Norcatec LLC Top agencies DLA (Defense Logistics Agency)	$349,504	0.2%	Rank history: not on the FY2021–FY2022 lists, #94 in FY2024 and #64 in FY2025; new.
56	QED Inc. Top agencies DLA (Defense Logistics Agency)	$347,648	0.2%	Rank history: #44 in FY2021, #62 in FY2022, #64 in FY2024 and #70 in FY2025; up 6 since FY2022.
57	GMS International Corporation Top agencies DLA (Defense Logistics Agency)	$346,751	0.2%	Rank history: #85 in FY2021, #66 in FY2022, #38 in FY2024 and #76 in FY2025; up 9 since FY2022.
58	Rotair Aerospace Corp Top agencies DLA (Defense Logistics Agency)	$329,840	0.2%	Rank history: not on the FY2021 list, #94 in FY2022 and not on the FY2024–FY2025 lists; up 36 since FY2022.
59	John R Seiberlich Inc. Top agencies USAF (Department of the Air Force)	$329,800	0.2%	Rank history: not on the FY2021 list, #48 in FY2022 and not on the FY2024–FY2025 lists; down 11 since FY2022.
60	International Television Corp Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) Army (Department of the Army)	$305,644	0.2%	Rank history: not on the FY2021–FY2022 lists, #98 in FY2024 and not on the FY2025 list; new.
61	Johnson Controls Industries Through Johnson Controls, Inc. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) USAF (Department of the Air Force)	$297,310	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
62	RDF Corporation Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$279,250	0.1%	Rank history: #26 in FY2021, #83 in FY2022, #48 in FY2024 and #68 in FY2025; up 21 since FY2022.
63	Wisecom Technologies Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Army (Department of the Army)	$272,081	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 85 since FY2022.
64	Mechanical Sales Inc. Through Mechanical Sales Midwest Inc. Top agencies USDA (Department of Agriculture)	$270,084	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 211 since FY2022.
65	Dickson / Unigage Inc. Top agencies EPA (Environmental Protection Agency) Commerce (Department of Commerce) DOJ (Department of Justice)	$265,625	0.1%	Rank history: not on the FY2021 list, #74 in FY2022, not on the FY2024 list and #93 in FY2025; up 9 since FY2022.
66	Milton Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$263,765	0.1%	Rank history: not on the FY2021 list, #93 in FY2022, #76 in FY2024 and #91 in FY2025; up 27 since FY2022.
67	Suco Technologies, Inc. Top agencies DLA (Defense Logistics Agency)	$262,747	0.1%	Rank history: #92 in FY2021, #96 in FY2022 and not on the FY2024–FY2025 lists; up 29 since FY2022.
68	Dela Technology Corporation Top agencies DLA (Defense Logistics Agency)	$261,125	0.1%	Rank history: #50 in FY2021, #65 in FY2022, not on the FY2024 list and #62 in FY2025; down 3 since FY2022.
69	Rolls-Royce Marine North America Inc. Top agencies DLA (Defense Logistics Agency)	$259,822	0.1%	Rank history: #35 in FY2021, not on the FY2022 list, #44 in FY2024 and #84 in FY2025; returned.
70	Ibide Corporation Top agencies DLA (Defense Logistics Agency)	$259,237	0.1%	Rank history: not on the FY2021 list, #47 in FY2022 and not on the FY2024–FY2025 lists; down 23 since FY2022.
71	Faro Technologies Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$257,592	0.1%	Rank history: #64 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 336 since FY2022.
72	The Boeing Company 4 awardees, including Boeing Distribution Services X, Inc. and Boeing Distribution, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$248,799	0.1%	Rank history: #63 in FY2021, not on the FY2022 list, #23 in FY2024 and #16 in FY2025; up 69 since FY2022.
73	Select Gases, LLC Top agencies HHS (Department of Health and Human Services)	$244,005	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
74	Laser Techniques Company, LLC Top agencies Army (Department of the Army)	$241,816	0.1%	Rank history: not on the FY2021 list, #64 in FY2022 and not on the FY2024–FY2025 lists; down 10 since FY2022.
75	Advanced Products Services Inc. Top agencies DLA (Defense Logistics Agency)	$238,068	0.1%	Rank history: #33 in FY2021, #36 in FY2022, #33 in FY2024 and #60 in FY2025; down 39 since FY2022.
76	Melton Sales & Service Top agencies DLA (Defense Logistics Agency)	$230,058	0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #66 in FY2025; up 53 since FY2022.
77	Protronic LLC Top agencies DLA (Defense Logistics Agency)	$222,628	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
78	Sigma Products & MFG Top agencies DLA (Defense Logistics Agency)	$222,603	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 175 since FY2022.
79	Echelon Supply and Service, Inc. Top agencies DLA (Defense Logistics Agency)	$221,493	0.1%	Rank history: not on the FY2021 list, #57 in FY2022 and not on the FY2024–FY2025 lists; down 22 since FY2022.
80	Clariant AG Top agencies DLA (Defense Logistics Agency)	$220,920	0.1%	Rank history: #96 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 81 since FY2022.
81	Ruta Supplies Inc. Top agencies Navy (Department of the Navy)	$219,568	0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #58 in FY2025; new.
82	CTR of the Carolinas, Inc. Top agencies USAF (Department of the Air Force)	$210,720	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
83	Rees Scientific Corporation Top agencies USAF (Department of the Air Force)	$203,690	0.1%	Rank history: #49 in FY2021, #28 in FY2022, not on the FY2024 list and #54 in FY2025; down 55 since FY2022.
84	Dreamfind, Inc. Top agencies DLA (Defense Logistics Agency)	$203,096	0.1%	Rank history: #78 in FY2021, not on the FY2022 list, not on the FY2024 list and #73 in FY2025; up 70 since FY2022.
85	The Veracity Group Inc. Top agencies VA (Department of Veterans Affairs)	$196,682	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
86	FBC Enterprises LLC Top agencies DLA (Defense Logistics Agency)	$194,756	0.1%	Rank history: not on the FY2021–FY2022 lists, #57 in FY2024 and #24 in FY2025; up 71 since FY2022.
87	Canary Systems Inc Top agencies Army (Department of the Army)	$194,442	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
88	Prime Technology LLC Top agencies Navy (Department of the Navy)	$190,725	0.1%	Rank history: #60 in FY2021, #39 in FY2022 and not on the FY2024–FY2025 lists; down 49 since FY2022.
89	Trillamed LLC Top agencies VA (Department of Veterans Affairs)	$189,944	0.1%	Rank history: #15 in FY2021, #89 in FY2022, not on the FY2024 list and #52 in FY2025; unchanged since FY2022.
90	Futek Advanced Sensor Technology, Inc. Top agencies Navy (Department of the Navy)	$189,370	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
91	United Dynamics, Inc. Top agencies DLA (Defense Logistics Agency)	$187,781	0.1%	Rank history: not on the FY2021 list, #77 in FY2022, #51 in FY2024 and not on the FY2025 list; down 14 since FY2022.
92	NMH Tech, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$185,939	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
93	Cameron Technologies US Inc. Top agencies DLA (Defense Logistics Agency)	$182,801	0.1%	Rank history: #12 in FY2021, #46 in FY2022 and not on the FY2024–FY2025 lists; down 47 since FY2022.
94	MJL Enterprises LLC Top agencies USAF (Department of the Air Force)	$181,226	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
95	General Dynamics Corporation 3 awardees, including Electric Boat Corporation, General Dynamics Land Systems Inc. and General Dynamics European Land Systems-Bridge Systems GMBH Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$180,995	0.1%	Rank history: #75 in FY2021, #81 in FY2022, #26 in FY2024 and not on the FY2025 list; down 14 since FY2022.
96	Hydro-Fitting Manufacturing Corporation Top agencies DLA (Defense Logistics Agency)	$177,173	0.1%	Rank history: #89 in FY2021, #88 in FY2022, not on the FY2024 list and #79 in FY2025; down 8 since FY2022.
97	Kessler Thermometer Corp Top agencies DLA (Defense Logistics Agency)	$175,703	0.1%	Rank history: not on the FY2021–FY2022 lists, #74 in FY2024 and #39 in FY2025; up 38 since FY2022.
98	Tavis Corp Top agencies Navy (Department of the Navy)	$175,024	0.1%	Rank history: #28 in FY2021, not on the FY2022 list, #35 in FY2024 and not on the FY2025 list; up 58 since FY2022.
99	Edel Engineering Development Co. Top agencies DLA (Defense Logistics Agency)	$172,959	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 108 since FY2022.
100	General Oceanics Inc. Top agencies Commerce (Department of Commerce)	$172,245	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.

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100 of 583 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 $188 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 6685 contractors in FY2023?

1. Northrop Grumman Corporation ($80.2M), 2. RTX Corporation ($11.4M), 3. King Nutronics Corporation ($8.83M), 4. Keysight Technologies, Inc. ($8.01M), 5. R. S. Means Company LLC ($3.55M), 6. Raptor Scientific ($3.13M), 7. MMC Metrology Lab, Inc. ($2.78M), 8. Westbase Inc ($2.19M), 9. Cameron Energy Services Corp. ($2.1M), 10. Danaher Corporation ($1.62M).

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