Top 100 Contractors in PSC 6650: Optical Instruments, Test Equipment, Components and Accessories, FY2025

Name: Top 100 Contractors in PSC 6650: Optical Instruments, Test Equipment, Components and Accessories, FY2025
Creator: GovTribe
License: https://creativecommons.org/licenses/by/4.0/

Parent companies by net contract obligations Oct 1, 2024 – Sep 30, 2025 Code page on GovTribe

The top 10 won 63% of FY2025 PSC 6650 contract dollars

Contract obligations: $128,873,832 Net of deobligations, by contracts coded PSC 6650
Contractors: 339 Parent companies with an obligation
Largest contractor: RTX Corporation $22.9 million, 16.8% of obligations
Data as of: Oct 23, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV · Free to reuse with credit to GovTribe (CC BY 4.0)

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	RTX Corporation 5 awardees, including Rockwell Collins, Inc., Hamilton Sundstrand Corporation and Raytheon Company Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$22,853,799	16.8%	Rank history: not on the FY2021–FY2023 lists and #8 in FY2024; up 7 since FY2024.
2	Bright Silicon Technologies, Inc. Top agencies USAF (Department of the Air Force)	$13,899,999	10.2%	Rank history: not on the FY2021–FY2024 lists; new.
3	Olympus America Inc. Top agencies USAF (Department of the Air Force)	$9,734,208	7.2%	Rank history: #16 in FY2021, #14 in FY2022, not on the FY2023 list and #3 in FY2024; unchanged since FY2024.
4	Berkshire Hathaway Inc. Through Kitco Fiber Optics Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$7,852,249	5.8%	Rank history: not on the FY2021–FY2023 lists and #75 in FY2024; up 71 since FY2024.
5	Ametek Inc. 3 awardees, including Spectro Scientific, Inc., Zygo Corporation and Edax, LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$7,154,327	5.3%	Rank history: #2 in FY2021, #3 in FY2022, #18 in FY2023 and #19 in FY2024; up 14 since FY2024.
6	Rhinestahl Corporation Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$6,669,561	4.9%	Rank history: not on the FY2021–FY2024 lists; new.
7	Hawkins Glass Wholesalers, L.l.c Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$5,741,030	4.2%	Rank history: not on the FY2021–FY2024 lists; new.
8	Gastops Ltd. Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$5,466,726	4.0%	Rank history: #6 in FY2021, #13 in FY2022, #24 in FY2023 and #14 in FY2024; up 6 since FY2024.
9	Atap Inc. Top agencies Navy (Department of the Navy)	$2,927,364	2.2%	Rank history: not on the FY2021 list, #4 in FY2022, #15 in FY2023 and #10 in FY2024; up 1 since FY2024.
10	L3Harris Technologies, Inc. 4 awardees, including L3 Technologies, Inc. and Trakka USA LLC Top agencies NASA (National Aeronautics and Space Administration) DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$2,763,762	2.0%	Rank history: #1 in FY2021, #1 in FY2022, #5 in FY2023 and #2 in FY2024; down 8 since FY2024.
11	Optex Systems Inc 3 awardees Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$2,213,326	1.6%	Rank history: #8 in FY2021, #6 in FY2022, #16 in FY2023 and #6 in FY2024; down 5 since FY2024.
12	Optical Coating Laboratory, LLC Top agencies DLA (Defense Logistics Agency) NASA (National Aeronautics and Space Administration)	$2,044,632	1.5%	Rank history: not on the FY2021–FY2024 lists; new.
13	Nikon Metrology Inc Through Nikon Instruments Inc. Top agencies HHS (Department of Health and Human Services) Commerce (Department of Commerce) USUHS (DOD Uniformed Services University of the Health Sciences)	$1,748,223	1.3%	Rank history: not on the FY2021–FY2022 lists, #25 in FY2023 and #51 in FY2024; up 38 since FY2024.
14	Oxford Instruments America, Inc. Top agencies Navy (Department of the Navy)	$1,268,000	0.9%	Rank history: not on the FY2021–FY2024 lists; new.
15	Danaher Corporation 4 awardees, including Beckman Coulter, Inc., Leica Microsystems Inc. and Cepheid Top agencies DHA (Defense Health Agency) DOJ (Department of Justice) HHS (Department of Health and Human Services)	$1,265,568	0.9%	Rank history: #22 in FY2021, #16 in FY2022, #21 in FY2023 and #16 in FY2024; up 1 since FY2024.
16	Noble Supply & Logistics, LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,026,637	0.8%	Rank history: not on the FY2021–FY2023 lists and #42 in FY2024; up 26 since FY2024.
17	Equipment Resource Center, Inc. Top agencies USAF (Department of the Air Force)	$1,012,444	0.7%	Rank history: not on the FY2021–FY2024 lists; up 139 since FY2024.
18	Atlantic Diving Supply, Inc. Top agencies DOJ (Department of Justice) DLA (Defense Logistics Agency)	$965,749	0.7%	Rank history: not on the FY2021–FY2024 lists; up 127 since FY2024.
19	Seiler Instrument and Manufacturing Company, Incorporated Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$746,127	0.5%	Rank history: not on the FY2021 list, #45 in FY2022, #100 in FY2023 and #23 in FY2024; up 4 since FY2024.
20	Wabtec Inspection Technologies, Inc. Top agencies DHS (Department of Homeland Security) DLA (Defense Logistics Agency)	$731,335	0.5%	Rank history: not on the FY2021–FY2022 lists, #94 in FY2023 and not on the FY2024 list; up 98 since FY2024.
21	Advanced Computer Concepts, Inc. Top agencies Navy (Department of the Navy)	$723,983	0.5%	Rank history: not on the FY2021 list, #87 in FY2022 and not on the FY2023–FY2024 lists; up 176 since FY2024.
22	Valipharm Inc. Top agencies DLA (Defense Logistics Agency)	$651,101	0.5%	Rank history: not on the FY2021–FY2024 lists; up 322 since FY2024.
23	Tevet LLC Top agencies Navy (Department of the Navy) DOI (Department of the Interior) USAF (Department of the Air Force)	$642,665	0.5%	Rank history: not on the FY2021–FY2023 lists and #92 in FY2024; up 69 since FY2024.
24	Photothermal Spectroscopy Corp. Top agencies HHS (Department of Health and Human Services)	$637,260	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
25	Newco Inc. Top agencies USAF (Department of the Air Force)	$609,500	0.4%	Rank history: not on the FY2021–FY2024 lists; new.
26	Khorovsky Enterprises Inc. Top agencies USAF (Department of the Air Force)	$602,400	0.4%	Rank history: not on the FY2021–FY2024 lists; up 262 since FY2024.
27	The Boeing Company Top agencies Army (Department of the Army)	$599,461	0.4%	Rank history: not on the FY2021–FY2022 lists, #43 in FY2023 and not on the FY2024 list; returned.
28	Carson Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$578,062	0.4%	Rank history: #39 in FY2021, #22 in FY2022, #52 in FY2023 and #22 in FY2024; down 6 since FY2024.
29	Elbit Systems of America LLC Through Elbitamerica, Inc. Top agencies DLA (Defense Logistics Agency)	$576,517	0.4%	Rank history: not on the FY2021–FY2023 lists and #72 in FY2024; up 43 since FY2024.
30	Dutch Valley Supply Co. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$573,725	0.4%	Rank history: not on the FY2021 list, #70 in FY2022, #91 in FY2023 and #83 in FY2024; up 53 since FY2024.
31	Bertin Alpao Top agencies USAF (Department of the Air Force)	$560,591	0.4%	Rank history: not on the FY2021–FY2024 lists; new.
32	Quality Vision International Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$559,140	0.4%	Rank history: not on the FY2021–FY2023 lists and #61 in FY2024; up 29 since FY2024.
33	Laser Techniques Company, LLC Top agencies Army (Department of the Army)	$546,224	0.4%	Rank history: not on the FY2021–FY2023 lists and #82 in FY2024; up 49 since FY2024.
34	Optikos, LLC Top agencies Navy (Department of the Navy)	$517,814	0.4%	Rank history: not on the FY2021–FY2024 lists; new.
35	Avro Inc. Top agencies USAF (Department of the Air Force)	$497,526	0.4%	Rank history: not on the FY2021–FY2023 lists and #70 in FY2024; up 35 since FY2024.
36	Toptica Photonics Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$472,280	0.3%	Rank history: not on the FY2021–FY2023 lists and #25 in FY2024; down 11 since FY2024.
37	R H K Technology Inc. Top agencies Navy (Department of the Navy)	$457,500	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
38	Thorlabs, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army) Navy (Department of the Navy)	$437,379	0.3%	Rank history: not on the FY2021–FY2022 lists, #51 in FY2023 and not on the FY2024 list; up 171 since FY2024.
39	AAR Corp. Through AAR Supply Chain, Inc. Top agencies DLA (Defense Logistics Agency)	$413,097	0.3%	Rank history: not on the FY2021–FY2024 lists; up 72 since FY2024.
40	Hexagon Manufacturing Intelligence Inc. 2 awardees, including Leica Geosystems Inc. Top agencies Navy (Department of the Navy)	$408,489	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
41	Epoch Concepts LLC Top agencies USAF (Department of the Air Force)	$397,915	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
42	Am General LLC Top agencies DLA (Defense Logistics Agency)	$375,125	0.3%	Rank history: not on the FY2021–FY2024 lists; up 101 since FY2024.
43	Atlas Instrument Co Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$372,211	0.3%	Rank history: not on the FY2021–FY2023 lists and #93 in FY2024; up 50 since FY2024.
44	Federal Resources Supply Company, LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$314,862	0.2%	Rank history: not on the FY2021–FY2024 lists; up 100 since FY2024.
45	Ion Optics Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$311,890	0.2%	Rank history: not on the FY2021–FY2024 lists; up 101 since FY2024.
46	Itegrity Inc Top agencies Commerce (Department of Commerce)	$309,030	0.2%	Rank history: not on the FY2021–FY2023 lists and #18 in FY2024; down 28 since FY2024.
47	Thermo Fisher Scientific Inc. 4 awardees, including Life Technologies Corporation, Thermo Electron North America LLC and FEI Company Top agencies Navy (Department of the Navy) DOI (Department of the Interior) Smithsonian (Smithsonian Institution)	$295,413	0.2%	Rank history: not on the FY2021–FY2022 lists, #36 in FY2023 and #43 in FY2024; down 4 since FY2024.
48	Dela Technology Corporation Top agencies DLA (Defense Logistics Agency)	$289,319	0.2%	Rank history: not on the FY2021–FY2024 lists; up 122 since FY2024.
49	Leonardo S.p.A. Through DRS Network & Imaging Systems LLC Top agencies DLA (Defense Logistics Agency)	$288,707	0.2%	Rank history: #52 in FY2021, #33 in FY2022, #56 in FY2023 and #46 in FY2024; down 3 since FY2024.
50	Adam N Eve Safety LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$285,904	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
51	Jeol Usa, Inc. Top agencies DOI (Department of the Interior) USAF (Department of the Air Force) Navy (Department of the Navy)	$284,479	0.2%	Rank history: not on the FY2021–FY2023 lists and #48 in FY2024; down 3 since FY2024.
52	New TECH Solutions, Inc. Top agencies Navy (Department of the Navy) DOE (Department of Energy)	$281,843	0.2%	Rank history: #46 in FY2021 and not on the FY2022–FY2024 lists; up 107 since FY2024.
53	L.s. Starrett Company (The) Through Starrett Kinemetric Engineering, Inc. Top agencies Army (Department of the Army)	$265,893	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
54	FSR Consulting LLC Top agencies USDA (Department of Agriculture) Army (Department of the Army) Navy (Department of the Navy)	$264,568	0.2%	Rank history: not on the FY2021–FY2024 lists; up 147 since FY2024.
55	Keyence Corporation of America Top agencies Treasury (Department of the Treasury) Army (Department of the Army) USAF (Department of the Air Force)	$254,142	0.2%	Rank history: not on the FY2021–FY2023 lists and #33 in FY2024; down 22 since FY2024.
56	Lockheed Martin Corporation 2 awardees Top agencies Commerce (Department of Commerce)	$250,000	0.2%	Rank history: #3 in FY2021, not on the FY2022 list, #30 in FY2023 and #1 in FY2024; down 55 since FY2024.
57	Technical Communities, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$245,096	0.2%	Rank history: #53 in FY2021, #47 in FY2022, not on the FY2023 list and #11 in FY2024; down 46 since FY2024.
58	Jgils, LLC Top agencies DLA (Defense Logistics Agency)	$240,107	0.2%	Rank history: not on the FY2021–FY2024 lists; up 91 since FY2024.
59	Adorama Inc. Top agencies Army (Department of the Army)	$238,942	0.2%	Rank history: not on the FY2021–FY2024 lists; up 188 since FY2024.
60	Tescan USA Inc. Top agencies Treasury (Department of the Treasury) Army (Department of the Army) USAF (Department of the Air Force)	$230,487	0.2%	Rank history: not on the FY2021–FY2023 lists and #39 in FY2024; down 21 since FY2024.
61	Intertest, Inc. Top agencies Army (Department of the Army)	$215,700	0.2%	Rank history: #76 in FY2021 and not on the FY2022–FY2024 lists; returned.
62	Giga, Inc. Top agencies Army (Department of the Army)	$215,352	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
63	BNC Corp. Top agencies OSD (Office of the Secretary of Defense)	$214,400	0.2%	Rank history: not on the FY2021 list, #40 in FY2022, #20 in FY2023 and #35 in FY2024; down 28 since FY2024.
64	Werfen USA LLC Top agencies VA (Department of Veterans Affairs)	$211,536	0.2%	Rank history: not on the FY2021–FY2024 lists; up 215 since FY2024.
65	Optim LLC Top agencies DLA (Defense Logistics Agency)	$208,667	0.2%	Rank history: not on the FY2021 list, #79 in FY2022, not on the FY2023 list and #55 in FY2024; down 10 since FY2024.
66	Vermilion Scientific LLC Top agencies VA (Department of Veterans Affairs)	$199,750	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
67	Sellers Optical, Inc. Top agencies Navy (Department of the Navy)	$199,450	0.1%	Rank history: #77 in FY2021, #55 in FY2022, #64 in FY2023 and not on the FY2024 list; up 121 since FY2024.
68	Biofire Defense LLC Through Biofire Diagnostics LLC Top agencies VA (Department of Veterans Affairs)	$196,294	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
69	Gooch & Housego (Keene) LLC Top agencies USAF (Department of the Air Force)	$193,100	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
70	Tempo Communications, Inc. Top agencies Navy (Department of the Navy)	$190,045	0.1%	Rank history: #31 in FY2021, not on the FY2022 list, #29 in FY2023 and not on the FY2024 list; returned.
71	MKS Instruments Inc. Through Newport Corp Top agencies Navy (Department of the Navy) Smithsonian (Smithsonian Institution) Commerce (Department of Commerce)	$184,964	0.1%	Rank history: not on the FY2021 list, #86 in FY2022 and not on the FY2023–FY2024 lists; returned.
72	Firebird Optics LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$179,157	0.1%	Rank history: not on the FY2021–FY2024 lists; up 51 since FY2024.
73	Cybel, LLC Top agencies Army (Department of the Army)	$177,103	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
74	Ultrafast Innovations GMBH Top agencies Navy (Department of the Navy)	$176,730	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
75	Light Conversion-Usa, Inc. Top agencies Army (Department of the Army)	$174,000	0.1%	Rank history: not on the FY2021–FY2022 lists, #99 in FY2023 and not on the FY2024 list; returned.
76	AIT Products LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$173,425	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
77	Rfoptic Inc. Top agencies USAF (Department of the Air Force)	$170,823	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
78	High Country Technology Consultants, LLC Top agencies USAF (Department of the Air Force)	$166,487	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
79	Oshkosh Corporation Through Oshkosh Defense LLC Top agencies DLA (Defense Logistics Agency)	$166,099	0.1%	Rank history: not on the FY2021–FY2023 lists and #54 in FY2024; down 25 since FY2024.
80	Ta Instruments - Waters L.L.C. Top agencies Navy (Department of the Navy)	$164,779	0.1%	Rank history: not on the FY2021–FY2024 lists; up 50 since FY2024.
81	KD Analytical Consulting LLC Top agencies DTRA (Defense Threat Reduction Agency)	$162,652	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
82	Proaim Americas LLC. Top agencies VA (Department of Veterans Affairs)	$161,641	0.1%	Rank history: not on the FY2021–FY2023 lists and #12 in FY2024; down 70 since FY2024.
83	J.h. Technologies, Inc. Top agencies Treasury (Department of the Treasury) Commerce (Department of Commerce)	$160,671	0.1%	Rank history: not on the FY2021–FY2024 lists; up 207 since FY2024.
84	Fed Crew Inc. Top agencies Army (Department of the Army)	$157,324	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
85	Illumina, Inc. Top agencies Navy (Department of the Navy)	$154,290	0.1%	Rank history: not on the FY2021–FY2024 lists; up 30 since FY2024.
86	Ochoa Enterprises Inc. Top agencies HHS (Department of Health and Human Services)	$152,413	0.1%	Rank history: not on the FY2021 list, #57 in FY2022, not on the FY2023 list and #49 in FY2024; down 37 since FY2024.
87	Intalight Inc. Top agencies VA (Department of Veterans Affairs)	$151,500	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
88	General Dynamics Corporation Through General Dynamics Land Systems - Canada Corporation Top agencies DLA (Defense Logistics Agency)	$149,208	0.1%	Rank history: not on the FY2021 list, #20 in FY2022, not on the FY2023 list and #100 in FY2024; up 12 since FY2024.
89	Ortho-Clinical Diagnostics Inc. 2 awardees Top agencies DHA (Defense Health Agency) USUHS (DOD Uniformed Services University of the Health Sciences)	$146,999	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
90	Roche Holdings Inc. Through Roche Diagnostics Corporation Top agencies HHS (Department of Health and Human Services)	$142,511	0.1%	Rank history: not on the FY2021–FY2024 lists; up 12 since FY2024.
91	K5 Defense LLC Top agencies Navy (Department of the Navy)	$139,771	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
92	Chant Engineering Co Inc. Top agencies Navy (Department of the Navy)	$139,500	0.1%	Rank history: not on the FY2021 list, #80 in FY2022 and not on the FY2023–FY2024 lists; returned.
93	Rosco Precision Machinery, LLC Top agencies Navy (Department of the Navy)	$139,260	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
94	Govage, Inc. Top agencies USAF (Department of the Air Force)	$138,745	0.1%	Rank history: #90 in FY2021 and not on the FY2022–FY2024 lists; up 141 since FY2024.
95	BAE Systems 2 awardees, including BAE Systems Information and Electronic Systems Integration Inc. Top agencies USAF (Department of the Air Force)	$137,208	0.1%	Rank history: not on the FY2021–FY2024 lists; up 205 since FY2024.
96	Laser Technology Inc. Top agencies USAF (Department of the Air Force)	$129,500	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
97	Carl Zeiss Inc. 2 awardees, including Carl Zeiss De México, S.A. De C.V. Top agencies Smithsonian (Smithsonian Institution)	$123,887	0.1%	Rank history: not on the FY2021 list, #5 in FY2022, #59 in FY2023 and #53 in FY2024; down 44 since FY2024.
98	Kay Kay LLC Top agencies Navy (Department of the Navy)	$121,554	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
99	Halma Public Limited Company Through Labsphere, Inc. Top agencies Navy (Department of the Navy)	$120,648	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
100	JME Technologies, Inc. Top agencies USAF (Department of the Air Force)	$119,970	0.1%	Rank history: not on the FY2021–FY2024 lists; up 128 since FY2024.

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100 of 339 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 $136 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. An awardee whose own actions mostly name no parent, and that no other company's actions name as their parent, rolls up its SAM.gov registration's chain of parent companies: it counts under the first company there that other companies' actions name as their parent, or under the parent most of a company's own actions name, whichever comes first; with neither, under the highest company in the chain with federal contracts of its own. Joint ventures stay companies of their own. 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

Who were the top 10 PSC 6650 contractors in FY2025?

1. RTX Corporation ($22.9M), 2. Bright Silicon Technologies, Inc. ($13.9M), 3. Olympus America Inc. ($9.73M), 4. Berkshire Hathaway Inc. ($7.85M), 5. Ametek Inc. ($7.15M), 6. Rhinestahl Corporation ($6.67M), 7. Hawkins Glass Wholesalers, L.l.c ($5.74M), 8. Gastops Ltd. ($5.47M), 9. Atap Inc. ($2.93M), 10. L3Harris Technologies, Inc. ($2.76M).

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