Top 100 Contractors in PSC 6645: Time Measuring Instruments, FY2023

Name: Top 100 Contractors in PSC 6645: Time Measuring Instruments, FY2023
Creator: GovTribe

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

The top 10 won 65% of FY2023 PSC 6645 contract dollars

Contract obligations: $7,325,020 Net of deobligations, by contracts coded PSC 6645
Contractors: 121 Parent companies with an obligation
Largest contractor: FEI-Zyfer Inc. $2 million, 26.9% 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	FEI-Zyfer Inc. Top agencies Navy (Department of the Navy)	$1,999,962	26.9%	Rank history: not on the FY2021–FY2022 lists, #17 in FY2024 and not on the FY2025 list; new.
2	Marathon Watch Company Ltd Top agencies GSA (General Services Administration) DLA (Defense Logistics Agency) Navy (Department of the Navy)	$956,778	12.9%	Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2024 and #1 in FY2025; down 1 since FY2022.
3	Septentrio Inc. 2 awardees Top agencies DOI (Department of the Interior)	$425,275	5.7%	Rank history: #4 in FY2021, #20 in FY2022, #8 in FY2024 and not on the FY2025 list; up 17 since FY2022.
4	Aarcorp Through AAR Supply Chain, Inc. Top agencies DLA (Defense Logistics Agency)	$336,655	4.5%	Rank history: #5 in FY2021, #4 in FY2022, #2 in FY2024 and not on the FY2025 list; unchanged since FY2022.
5	Brandywine Communications Top agencies Navy (Department of the Navy)	$325,444	4.4%	Rank history: #91 in FY2021, #3 in FY2022, #58 in FY2024 and #8 in FY2025; down 2 since FY2022.
6	Flame Enterprises, Inc. Top agencies DLA (Defense Logistics Agency)	$264,120	3.6%	Rank history: #11 in FY2021, #10 in FY2022, #4 in FY2024 and #2 in FY2025; up 4 since FY2022.
7	Waltham Aircraft Clock Corp Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force) Navy (Department of the Navy)	$155,059	2.1%	Rank history: #24 in FY2021, #43 in FY2022, #10 in FY2024 and #17 in FY2025; up 36 since FY2022.
8	Megabite Electronics, Inc. Top agencies DLA (Defense Logistics Agency)	$135,284	1.8%	Rank history: #16 in FY2021, #75 in FY2022 and not on the FY2024–FY2025 lists; up 67 since FY2022.
9	OYO Corporation 2 awardees, including Geometrics, Inc. and Kinemetrics Inc. Top agencies DOI (Department of the Interior)	$131,229	1.8%	Rank history: #7 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
10	Transaero, Inc. Top agencies DLA (Defense Logistics Agency)	$128,372	1.7%	Rank history: not on the FY2021–FY2022 lists, #7 in FY2024 and not on the FY2025 list; new.
11	The Chelsea Clock LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$125,900	1.7%	Rank history: not on the FY2021 list, #58 in FY2022, #40 in FY2024 and #40 in FY2025; up 47 since FY2022.
12	Campbell Scientific Inc. Top agencies DOI (Department of the Interior)	$107,961	1.5%	Rank history: #14 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
13	Strohman Enterprise Inc Top agencies USAF (Department of the Air Force)	$106,967	1.4%	Rank history: not on the FY2021–FY2022 lists, #35 in FY2024 and #24 in FY2025; new.
14	RHD Instruments GMBH & Co. KG Top agencies NASA (National Aeronautics and Space Administration)	$102,017	1.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
15	Danaher Corporation Through OTT Hydromet Corp Top agencies Army (Department of the Army)	$101,601	1.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
16	L3Harris Technologies, Inc. 2 awardees, including Electrodynamics Inc. Top agencies DLA (Defense Logistics Agency)	$94,071	1.3%	Rank history: #2 in FY2021, #2 in FY2022, #38 in FY2024 and #28 in FY2025; down 14 since FY2022.
17	New TECH Solutions, Inc. Top agencies Navy (Department of the Navy)	$92,755	1.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
18	Matrix Industries Inc. Top agencies Navy (Department of the Navy)	$92,498	1.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
19	Honeywell International Inc. 2 awardees Top agencies DLA (Defense Logistics Agency)	$84,831	1.1%	Rank history: #12 in FY2021, #35 in FY2022, #5 in FY2024 and #7 in FY2025; up 16 since FY2022.
20	Aviation Procurement Systems, LLC Top agencies DLA (Defense Logistics Agency)	$83,420	1.1%	Rank history: #75 in FY2021, #54 in FY2022, #24 in FY2024 and not on the FY2025 list; up 34 since FY2022.
21	Axiscore LLC Top agencies DOS (Department of State)	$74,635	1.0%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
22	B & H International LLC Top agencies Navy (Department of the Navy)	$72,319	1.0%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
23	M Z Technologies, Inc. Top agencies DLA (Defense Logistics Agency)	$60,904	0.8%	Rank history: #19 in FY2021, #8 in FY2022, #21 in FY2024 and #15 in FY2025; down 15 since FY2022.
24	Integrated Procurement Technologies Top agencies DLA (Defense Logistics Agency)	$58,850	0.8%	Rank history: not on the FY2021–FY2022 lists, #22 in FY2024 and not on the FY2025 list; new.
25	Johnson Controls Security Solutions LLC Through Johnson Controls Navy Systems, LLC Top agencies DLA (Defense Logistics Agency)	$57,190	0.8%	Rank history: #57 in FY2021, #38 in FY2022, #53 in FY2024 and not on the FY2025 list; up 13 since FY2022.
26	Government of Canada Through Canadian Commercial Corporation Top agencies DLA (Defense Logistics Agency)	$52,269	0.7%	Rank history: #63 in FY2021, #36 in FY2022, #55 in FY2024 and not on the FY2025 list; up 10 since FY2022.
27	H.l. Dalis, Inc. Top agencies USAF (Department of the Air Force)	$52,240	0.7%	Rank history: #6 in FY2021, #6 in FY2022, not on the FY2024 list and #12 in FY2025; down 21 since FY2022.
28	The GPS Store, Inc. Top agencies USAF (Department of the Air Force)	$49,275	0.7%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #19 in FY2025; new.
29	BRG Precision Products Inc. Top agencies MDA (DOD Missile Defense Agency) Navy (Department of the Navy)	$47,768	0.6%	Rank history: #64 in FY2021, #19 in FY2022, #31 in FY2024 and #47 in FY2025; down 10 since FY2022.
30	Virginia Diodes, Inc. Top agencies NASA (National Aeronautics and Space Administration)	$45,400	0.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
31	Vprime TECH Inc. Top agencies Navy (Department of the Navy)	$44,761	0.6%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #35 in FY2025; new.
32	ECI Defense Group, Inc. Top agencies DLA (Defense Logistics Agency)	$44,586	0.6%	Rank history: #49 in FY2021, not on the FY2022 list, #9 in FY2024 and #21 in FY2025; returned.
33	ML Click Marketing LLC Top agencies DOJ (Department of Justice)	$44,200	0.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
34	S I T Corporation Top agencies DHS (Department of Homeland Security) DLA (Defense Logistics Agency)	$38,492	0.5%	Rank history: #72 in FY2021, #55 in FY2022, #46 in FY2024 and #3 in FY2025; up 21 since FY2022.
35	Dictation Sales & Services, Inc. Top agencies DOI (Department of the Interior)	$34,500	0.5%	Rank history: not on the FY2021–FY2022 lists, #41 in FY2024 and #50 in FY2025; new.
36	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency)	$32,932	0.4%	Rank history: #8 in FY2021, #24 in FY2022, #37 in FY2024 and #46 in FY2025; down 12 since FY2022.
37	3T Business Group LLC Top agencies Navy (Department of the Navy)	$28,816	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
38	Sathom SARL Top agencies DHS (Department of Homeland Security)	$28,749	0.4%	Rank history: not on the FY2021 list, #12 in FY2022, #23 in FY2024 and #30 in FY2025; down 26 since FY2022.
39	Jag Components, LLC Top agencies DLA (Defense Logistics Agency)	$28,239	0.4%	Rank history: #41 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
40	Adorama Inc. Top agencies USAF (Department of the Air Force)	$27,875	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
41	Woodard Electric Inc. Top agencies DLA (Defense Logistics Agency)	$27,432	0.4%	Rank history: not on the FY2021–FY2022 lists, #81 in FY2024 and #45 in FY2025; new.
42	Theodor Wille Intertrade GMBH Through Atlantic Diving Supply, Inc. Top agencies DHS (Department of Homeland Security) DLA (Defense Logistics Agency)	$26,667	0.4%	Rank history: #65 in FY2021, #48 in FY2022 and not on the FY2024–FY2025 lists; up 6 since FY2022.
43	Tellego Supply Inc. Top agencies DLA (Defense Logistics Agency)	$25,899	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
44	Timekeeping Systems, Inc. Top agencies HHS (Department of Health and Human Services)	$24,702	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
45	Rev-Cap Company, Inc. Top agencies DLA (Defense Logistics Agency)	$24,390	0.3%	Rank history: not on the FY2021–FY2022 lists, #77 in FY2024 and not on the FY2025 list; new.
46	Amick Sound, Incorporated Top agencies DOI (Department of the Interior)	$22,470	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
47	Larkos Packing and Distribution Inc. Top agencies DLA (Defense Logistics Agency)	$22,394	0.3%	Rank history: #73 in FY2021, #39 in FY2022, #48 in FY2024 and #31 in FY2025; down 8 since FY2022.
48	Digital Display Systems Inc. Top agencies DISA (Defense Information Systems Agency)	$21,606	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
49	Statz Corp Top agencies DLA (Defense Logistics Agency)	$20,986	0.3%	Rank history: #32 in FY2021, #41 in FY2022 and not on the FY2024–FY2025 lists; down 8 since FY2022.
50	Focus Camera LLC Top agencies USAF (Department of the Air Force)	$19,850	0.3%	Rank history: not on the FY2021–FY2022 lists, #34 in FY2024 and not on the FY2025 list; new.
51	Wizard Technologies Inc. Top agencies DLA (Defense Logistics Agency)	$18,927	0.3%	Rank history: #39 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
52	In-Situ, Inc. Top agencies DOI (Department of the Interior)	$18,642	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
53	Diamond Industrial Inc. Top agencies DLA (Defense Logistics Agency)	$18,199	0.2%	Rank history: #10 in FY2021, #53 in FY2022 and not on the FY2024–FY2025 lists; unchanged since FY2022.
54	Jo-Kell Inc. Top agencies DLA (Defense Logistics Agency)	$17,904	0.2%	Rank history: #38 in FY2021, #44 in FY2022, #18 in FY2024 and #37 in FY2025; down 10 since FY2022.
55	Phoenix Trading Inc. Top agencies DLA (Defense Logistics Agency)	$17,786	0.2%	Rank history: #70 in FY2021, #56 in FY2022 and not on the FY2024–FY2025 lists; up 1 since FY2022.
56	Midwest Aero Support Inc. Top agencies Navy (Department of the Navy)	$15,660	0.2%	Rank history: #48 in FY2021, #33 in FY2022 and not on the FY2024–FY2025 lists; down 23 since FY2022.
57	F C I TECH Inc. Top agencies USAF (Department of the Air Force)	$14,424	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
58	Kpaul Properties LLC Top agencies DISA (Defense Information Systems Agency)	$14,315	0.2%	Rank history: #9 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
59	Echelon Supply and Service, Inc. Top agencies DLA (Defense Logistics Agency)	$13,963	0.2%	Rank history: #85 in FY2021, #46 in FY2022, #80 in FY2024 and not on the FY2025 list; down 13 since FY2022.
60	Dircksen & Associates, Inc. Top agencies DLA (Defense Logistics Agency)	$13,950	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
61	Dela Technology Corporation Top agencies DLA (Defense Logistics Agency)	$13,791	0.2%	Rank history: #50 in FY2021, #70 in FY2022, #32 in FY2024 and #36 in FY2025; up 9 since FY2022.
62	Jgils, LLC Top agencies DLA (Defense Logistics Agency)	$13,777	0.2%	Rank history: #51 in FY2021, #81 in FY2022, #59 in FY2024 and not on the FY2025 list; up 19 since FY2022.
63	TNL Sales LLC Top agencies DLA (Defense Logistics Agency)	$13,493	0.2%	Rank history: #86 in FY2021, #83 in FY2022, #69 in FY2024 and #56 in FY2025; up 20 since FY2022.
64	Torqhoist, Inc. Top agencies DLA (Defense Logistics Agency)	$12,289	0.2%	Rank history: #58 in FY2021, #73 in FY2022, #42 in FY2024 and #51 in FY2025; up 9 since FY2022.
65	USS Co Inc. Top agencies DLA (Defense Logistics Agency)	$11,900	0.2%	Rank history: not on the FY2021 list, #63 in FY2022 and not on the FY2024–FY2025 lists; down 2 since FY2022.
66	Allied Defense Industries Inc. Top agencies DLA (Defense Logistics Agency)	$11,456	0.2%	Rank history: not on the FY2021 list, #7 in FY2022 and not on the FY2024–FY2025 lists; down 59 since FY2022.
67	Fuel Systems Inc. Top agencies DLA (Defense Logistics Agency)	$11,233	0.2%	Rank history: #60 in FY2021, #67 in FY2022, #94 in FY2024 and #66 in FY2025; unchanged since FY2022.
68	Janels Industries Inc. Top agencies DLA (Defense Logistics Agency)	$11,160	0.2%	Rank history: #34 in FY2021, not on the FY2022 list, #64 in FY2024 and not on the FY2025 list; returned.
69	Navigation Aids Top agencies DLA (Defense Logistics Agency)	$10,506	0.1%	Rank history: #45 in FY2021, #71 in FY2022 and not on the FY2024–FY2025 lists; up 2 since FY2022.
70	Defense Support Services, Inc. Top agencies DLA (Defense Logistics Agency)	$9,700	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
71	NGH Retail LLC Top agencies DLA (Defense Logistics Agency)	$9,180	0.1%	Rank history: #74 in FY2021, #72 in FY2022, #62 in FY2024 and #71 in FY2025; up 1 since FY2022.
72	Entech Associates / Entech Signs - Alpha Led, LLC Top agencies DOS (Department of State) MDA (DOD Missile Defense Agency) Navy (Department of the Navy)	$8,232	0.1%	Rank history: #96 in FY2021, #50 in FY2022 and not on the FY2024–FY2025 lists; down 22 since FY2022.
73	Gaffel Equipment Top agencies Navy (Department of the Navy)	$7,722	0.1%	Rank history: not on the FY2021 list, #68 in FY2022, not on the FY2024 list and #74 in FY2025; down 5 since FY2022.
74	SZY Holdings, LLC Top agencies DLA (Defense Logistics Agency)	$6,702	0.1%	Rank history: not on the FY2021 list, #91 in FY2022 and not on the FY2024–FY2025 lists; up 17 since FY2022.
75	Stealth Supply Inc Top agencies DLA (Defense Logistics Agency)	$6,634	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
76	Windward Enterprises, LLC Top agencies DLA (Defense Logistics Agency)	$6,167	0.1%	Rank history: not on the FY2021–FY2022 lists, #60 in FY2024 and not on the FY2025 list; up 25 since FY2022.
77	Direct Line, Inc. Top agencies DLA (Defense Logistics Agency)	$5,958	0.1%	Rank history: not on the FY2021–FY2022 lists, #99 in FY2024 and #92 in FY2025; new.
78	FDH Defense Aftermarket, LLC Top agencies DLA (Defense Logistics Agency)	$5,000	0.1%	Rank history: not on the FY2021 list, #100 in FY2022 and not on the FY2024–FY2025 lists; up 22 since FY2022.
79	Quality Refrigeration Company, Inc. Top agencies DLA (Defense Logistics Agency)	$4,522	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
80	Communications Professionals Inc. Top agencies DOS (Department of State)	$4,126	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
81	Fluid Conditioning Products, Inc. Top agencies DLA (Defense Logistics Agency)	$3,916	0.1%	Rank history: #88 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
82	GI Group Holdings Inc. Top agencies DLA (Defense Logistics Agency)	$3,558	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
83	New Era Contract Sales Inc. Top agencies DLA (Defense Logistics Agency)	$3,443	<0.1%	Rank history: #59 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
84	Drone Usa, Inc. Through Howco Distributing Co. Top agencies DLA (Defense Logistics Agency)	$3,394	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
85	VSE Corporation Top agencies DLA (Defense Logistics Agency)	$3,148	<0.1%	Rank history: #90 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
86	American Devices, Inc. Top agencies DLA (Defense Logistics Agency)	$3,090	<0.1%	Rank history: #25 in FY2021, not on the FY2022 list, #72 in FY2024 and #70 in FY2025; returned.
87	Sims Enterprises LLC Top agencies DLA (Defense Logistics Agency)	$3,000	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
88	Warfighter Focused Logistics Inc. Top agencies DLA (Defense Logistics Agency)	$2,729	<0.1%	Rank history: #37 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
89	R.j. Murray Co., Inc. Top agencies DLA (Defense Logistics Agency)	$2,663	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
90	Patterson Cooney Inc. Top agencies DLA (Defense Logistics Agency)	$2,524	<0.1%	Rank history: not on the FY2021 list, #95 in FY2022, #87 in FY2024 and not on the FY2025 list; up 5 since FY2022.
91	Supplycore LLC Top agencies Navy (Department of the Navy)	$1,757	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
92	Aviarms Support Corp Top agencies DLA (Defense Logistics Agency)	$1,650	<0.1%	Rank history: not on the FY2021 list, #74 in FY2022, not on the FY2024 list and #57 in FY2025; down 18 since FY2022.
93	L3HARRIS Aviation Products Inc Through Electrodynamics Inc. Top agencies DLA (Defense Logistics Agency)	$1,516	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
94	Baker Distributing Company LLC Top agencies DLA (Defense Logistics Agency)	$1,278	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
95	Deutz Corporation Top agencies DLA (Defense Logistics Agency)	$1,248	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
96	G & H Aerospace Inc. Top agencies DLA (Defense Logistics Agency)	$1,100	<0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #63 in FY2025; new.
97	Ralphs of Lafayette Inc. Top agencies DLA (Defense Logistics Agency)	$1,005	<0.1%	Rank history: #95 in FY2021, #80 in FY2022, #71 in FY2024 and #67 in FY2025; down 17 since FY2022.
98	Rfcircuits, Inc. Top agencies DLA (Defense Logistics Agency)	$974	<0.1%	Rank history: #79 in FY2021, #92 in FY2022 and not on the FY2024–FY2025 lists; down 6 since FY2022.
99	Taylor Enterprises of VA, LLC Top agencies DLA (Defense Logistics Agency)	$863	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
100	Madison Electric Co Top agencies DLA (Defense Logistics Agency)	$839	<0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #85 in FY2025; up 17 since FY2022.

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100 of 121 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 $7.43 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 6645 contractors in FY2023?

1. FEI-Zyfer Inc. ($2M), 2. Marathon Watch Company Ltd ($957K), 3. Septentrio Inc. ($425K), 4. Aarcorp ($337K), 5. Brandywine Communications ($325K), 6. Flame Enterprises, Inc. ($264K), 7. Waltham Aircraft Clock Corp ($155K), 8. Megabite Electronics, Inc. ($135K), 9. OYO Corporation ($131K), 10. Transaero, Inc. ($128K).

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