Top 100 Contractors in NAICS 334513: Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables, FY2023

Name: Top 100 Contractors in NAICS 334513: Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables, FY2023
Creator: GovTribe

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

The top 10 won 38% of FY2023 NAICS 334513 contract dollars

Contract obligations: $174,706,523 Net of deobligations, by contracts coded NAICS 334513
Contractors: 780 Parent companies with an obligation
Largest contractor: Danaher Corporation $14.9 million, 8.1% 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	Danaher Corporation 4 awardees, including OTT Hydromet Corp, Hach Company and Sea-Bird Electronics, Inc. Top agencies DOI (Department of the Interior) IBWC (International Boundary and Water Commission U.S.-Mexico) Commerce (Department of Commerce)	$14,859,124	8.1%	Rank history: #5 in FY2021, #4 in FY2022, #8 in FY2024 and #23 in FY2025; up 3 since FY2022.
2	L3Harris Technologies, Inc. 4 awardees, including CAE USA Inc. Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$10,518,391	5.7%	Rank history: #4 in FY2021, #7 in FY2022, #2 in FY2024 and #2 in FY2025; up 5 since FY2022.
3	King Nutronics Corporation Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$10,347,697	5.7%	Rank history: #3 in FY2021, #3 in FY2022, #9 in FY2024 and #31 in FY2025; unchanged since FY2022.
4	Xylem Inc. 4 awardees, including YSI Inc. and CMS Research Corp Top agencies DOI (Department of the Interior) Army (Department of the Army) Commerce (Department of Commerce)	$9,116,044	5.0%	Rank history: #6 in FY2021, #6 in FY2022, #15 in FY2024 and not on the FY2025 list; up 2 since FY2022.
5	Keysight Technologies, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$8,015,308	4.4%	Rank history: #45 in FY2021, not on the FY2022 list, #5 in FY2024 and #10 in FY2025; returned.
6	Campbell Scientific Inc. Top agencies USDA (Department of Agriculture) Commerce (Department of Commerce) DOI (Department of the Interior)	$4,646,852	2.5%	Rank history: #11 in FY2021, #12 in FY2022, #7 in FY2024 and #14 in FY2025; up 6 since FY2022.
7	Teledyne Technologies Incorporated 3 awardees, including Teledyne Instruments, Inc. Top agencies DOI (Department of the Interior)	$3,352,133	1.8%	Rank history: #25 in FY2021, #16 in FY2022, #44 in FY2024 and #25 in FY2025; up 9 since FY2022.
8	R. S. Means Company LLC 5 awardees, including Fluke Electronics Corp, R.s. Means Company LLC and Setra Systems, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army) Navy (Department of the Navy)	$3,309,298	1.8%	Rank history: #23 in FY2021, #14 in FY2022, #72 in FY2024 and not on the FY2025 list; up 6 since FY2022.
9	Applied Spectrometry Associates Inc. 2 awardees, including In-Situ, Inc. Top agencies DOI (Department of the Interior) Smithsonian (Smithsonian Institution) Army (Department of the Army)	$2,808,996	1.5%	Rank history: #31 in FY2021, #35 in FY2022, #43 in FY2024 and #33 in FY2025; up 26 since FY2022.
10	4 D Technology Corporation Through Nanometrics Inc. Top agencies DOI (Department of the Interior)	$2,780,637	1.5%	Rank history: #12 in FY2021, #10 in FY2022, #11 in FY2024 and #8 in FY2025; unchanged since FY2022.
11	FTS Forest Technology Systems Ltd. Top agencies DOI (Department of the Interior) USDA (Department of Agriculture) Commerce (Department of Commerce)	$2,476,711	1.4%	Rank history: #17 in FY2021, #17 in FY2022, #16 in FY2024 and #32 in FY2025; up 6 since FY2022.
12	Nag, LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$2,384,243	1.3%	Rank history: #8 in FY2021, #9 in FY2022, #38 in FY2024 and #5 in FY2025; down 3 since FY2022.
13	Progressive Recovery Inc. Top agencies USDA (Department of Agriculture)	$1,787,766	1.0%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
14	Advanced Internet Marketing, Inc. Top agencies Commerce (Department of Commerce)	$1,774,027	1.0%	Rank history: #14 in FY2021, #91 in FY2022 and not on the FY2024–FY2025 lists; up 77 since FY2022.
15	Innovasea Marine Systems Canada Inc Top agencies Commerce (Department of Commerce) DOI (Department of the Interior) Smithsonian (Smithsonian Institution)	$1,704,174	0.9%	Rank history: not on the FY2021 list, #37 in FY2022, #20 in FY2024 and #62 in FY2025; up 22 since FY2022.
16	Cameron Energy Services Corp. Top agencies Navy (Department of the Navy)	$1,657,657	0.9%	Rank history: not on the FY2021 list, #53 in FY2022, #97 in FY2024 and #38 in FY2025; up 37 since FY2022.
17	OYO Corporation Through Kinemetrics Inc. Top agencies DOI (Department of the Interior)	$1,619,914	0.9%	Rank history: #15 in FY2021, #97 in FY2022, #56 in FY2024 and not on the FY2025 list; up 80 since FY2022.
18	Transaero, Inc. Top agencies DLA (Defense Logistics Agency)	$1,590,555	0.9%	Rank history: #38 in FY2021, #25 in FY2022, #19 in FY2024 and #18 in FY2025; up 7 since FY2022.
19	Alti LLC Top agencies Army (Department of the Army)	$1,500,000	0.8%	Rank history: #28 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
20	RH Systems LLC Top agencies Navy (Department of the Navy)	$1,495,500	0.8%	Rank history: not on the FY2021 list, #41 in FY2022, #75 in FY2024 and not on the FY2025 list; up 21 since FY2022.
21	Raptor Scientific Through Testvonics Inc. Top agencies DHS (Department of Homeland Security) USAF (Department of the Air Force)	$1,441,835	0.8%	Rank history: not on the FY2021 list, #32 in FY2022, #28 in FY2024 and not on the FY2025 list; up 11 since FY2022.
22	Pssc Holding Co. Through BEI Precision Systems & Space Company, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,406,363	0.8%	Rank history: #34 in FY2021, #68 in FY2022, #55 in FY2024 and not on the FY2025 list; up 46 since FY2022.
23	Esco Technologies Inc. Through Doble Engineering Company Top agencies DOI (Department of the Interior)	$1,395,824	0.8%	Rank history: not on the FY2021 list, #15 in FY2022 and not on the FY2024–FY2025 lists; down 8 since FY2022.
24	Intergraph Corporation 2 awardees, including Hexagon Manufacturing Intelligence, LLC and Hexagon US Federal, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) Commerce (Department of Commerce)	$1,322,013	0.7%	Rank history: #76 in FY2021, #23 in FY2022 and not on the FY2024–FY2025 lists; down 1 since FY2022.
25	General Electric Company 3 awardees, including Druck, LLC Top agencies Navy (Department of the Navy)	$1,294,124	0.7%	Rank history: #7 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 276 since FY2022.
26	Vishay Precision Group, Inc. Through Pacific Instruments, Inc. Top agencies USAF (Department of the Air Force)	$1,286,881	0.7%	Rank history: not on the FY2021 list, #39 in FY2022 and not on the FY2024–FY2025 lists; up 13 since FY2022.
27	Siemens Aktiengesellschaft Through Siemens Government Technologies Inc. Top agencies Navy (Department of the Navy)	$1,279,458	0.7%	Rank history: not on the FY2021–FY2022 lists, #93 in FY2024 and not on the FY2025 list; new.
28	Howell Instruments, Inc. Top agencies USAF (Department of the Air Force)	$1,268,193	0.7%	Rank history: #9 in FY2021, #13 in FY2022, #27 in FY2024 and #9 in FY2025; down 15 since FY2022.
29	Faro Technologies Inc. Top agencies Navy (Department of the Navy) DOJ (Department of Justice) Army (Department of the Army)	$1,237,417	0.7%	Rank history: #29 in FY2021, #19 in FY2022, #33 in FY2024 and #40 in FY2025; down 10 since FY2022.
30	Paragon Robotics LLC Top agencies HHS (Department of Health and Human Services)	$1,196,734	0.7%	Rank history: #27 in FY2021, #26 in FY2022, #31 in FY2024 and #56 in FY2025; down 4 since FY2022.
31	Uusi, LLC Top agencies DLA (Defense Logistics Agency)	$1,182,797	0.6%	Rank history: #42 in FY2021, #11 in FY2022, #30 in FY2024 and #20 in FY2025; down 20 since FY2022.
32	Redtown Technical Services LLC Top agencies Army (Department of the Army)	$1,048,532	0.6%	Rank history: not on the FY2021–FY2022 lists, #49 in FY2024 and not on the FY2025 list; new.
33	Management Sciences, Inc. Top agencies USAF (Department of the Air Force)	$1,030,082	0.6%	Rank history: not on the FY2021 list, #67 in FY2022 and not on the FY2024–FY2025 lists; up 34 since FY2022.
34	Woodward Governor Company Through Woodward, Inc. Top agencies Navy (Department of the Navy)	$989,060	0.5%	Rank history: #75 in FY2021, #28 in FY2022, #22 in FY2024 and not on the FY2025 list; down 6 since FY2022.
35	Micro-G Lacoste Inc. Top agencies Commerce (Department of Commerce)	$979,464	0.5%	Rank history: not on the FY2021 list, #31 in FY2022 and not on the FY2024–FY2025 lists; down 4 since FY2022.
36	Martin Military Inc. Top agencies DLA (Defense Logistics Agency)	$954,781	0.5%	Rank history: #100 in FY2021, #46 in FY2022, #23 in FY2024 and not on the FY2025 list; up 10 since FY2022.
37	Warren Industries Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$935,033	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 140 since FY2022.
38	Chase Supply, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) DOI (Department of the Interior)	$904,980	0.5%	Rank history: not on the FY2021 list, #70 in FY2022, not on the FY2024 list and #85 in FY2025; up 32 since FY2022.
39	Parraid LLC Top agencies Navy (Department of the Navy)	$879,708	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 147 since FY2022.
40	Technical Communities Inc Top agencies USAF (Department of the Air Force) DOJ (Department of Justice) USDA (Department of Agriculture)	$860,051	0.5%	Rank history: #1 in FY2021, #5 in FY2022 and not on the FY2024–FY2025 lists; down 35 since FY2022.
41	Moog Inc. Top agencies Navy (Department of the Navy)	$802,891	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
42	GMS International Corporation Top agencies DLA (Defense Logistics Agency)	$799,336	0.4%	Rank history: #26 in FY2021, #50 in FY2022, #60 in FY2024 and not on the FY2025 list; up 8 since FY2022.
43	Spectris PLC 2 awardees, including Hottinger Bruel & Kjaer Inc. and Omega Engineering, Inc. Top agencies Navy (Department of the Navy) NASA (National Aeronautics and Space Administration) EPA (Environmental Protection Agency)	$797,359	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 196 since FY2022.
44	Carl Zeiss Industrial Quality Solutions LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) NASA (National Aeronautics and Space Administration)	$794,386	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
45	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$775,949	0.4%	Rank history: #50 in FY2021, #44 in FY2022, #74 in FY2024 and #39 in FY2025; down 1 since FY2022.
46	Marine Electric Systems Inc. Top agencies DLA (Defense Logistics Agency)	$753,679	0.4%	Rank history: #36 in FY2021, #40 in FY2022, #29 in FY2024 and #19 in FY2025; down 6 since FY2022.
47	Kitco LLC Top agencies Navy (Department of the Navy)	$707,169	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
48	Kisters AG Through Kisters North America, Inc. Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$698,167	0.4%	Rank history: #54 in FY2021, #56 in FY2022, #86 in FY2024 and not on the FY2025 list; up 8 since FY2022.
49	Resodyn Acoustic Mixers, Incorporated Top agencies Navy (Department of the Navy) Army (Department of the Army) NASA (National Aeronautics and Space Administration)	$683,696	0.4%	Rank history: #35 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
50	Berkeley Building Company Top agencies Army (Department of the Army)	$666,942	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
51	RTX Corporation 5 awardees, including Sensitech Inc., Rosemount Aerospace Inc. and Raytheon Company Top agencies HHS (Department of Health and Human Services) DLA (Defense Logistics Agency) Navy (Department of the Navy)	$643,948	0.4%	Rank history: #10 in FY2021, not on the FY2022 list, #52 in FY2024 and not on the FY2025 list; returned.
52	Standard Calibrations Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) DHS (Department of Homeland Security)	$638,715	0.3%	Rank history: not on the FY2021 list, #78 in FY2022, #32 in FY2024 and #35 in FY2025; up 26 since FY2022.
53	The Entwistle Trust Through The Entwistle Company LLC Top agencies DLA (Defense Logistics Agency)	$629,742	0.3%	Rank history: #78 in FY2021, #49 in FY2022 and not on the FY2024–FY2025 lists; down 4 since FY2022.
54	Measurement Technology Northwest, Inc. Through Thermetrics, LLC Top agencies HHS (Department of Health and Human Services) NASA (National Aeronautics and Space Administration) Navy (Department of the Navy)	$624,240	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 103 since FY2022.
55	Thunder Scientific Corp Top agencies NASA (National Aeronautics and Space Administration) Navy (Department of the Navy) DLA (Defense Logistics Agency)	$598,349	0.3%	Rank history: #57 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 90 since FY2022.
56	Ontic Engineering & Manufacturing, Inc. Through Centroid, Inc. Top agencies DLA (Defense Logistics Agency)	$568,815	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
57	Synercom Inc Through Spectrum Associates, Inc. Top agencies DLA (Defense Logistics Agency)	$568,786	0.3%	Rank history: #58 in FY2021, #27 in FY2022, #34 in FY2024 and not on the FY2025 list; down 30 since FY2022.
58	All Weather, Inc. Top agencies DOT (Department of Transportation)	$558,720	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
59	Comsonics, Inc. Top agencies DOJ (Department of Justice)	$550,768	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
60	MMC Metrology Lab, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$542,920	0.3%	Rank history: #53 in FY2021, #73 in FY2022, #57 in FY2024 and #45 in FY2025; up 13 since FY2022.
61	Integrated Procurement Technologies Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$513,977	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 281 since FY2022.
62	International Television Corp Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) NASA (National Aeronautics and Space Administration)	$490,608	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
63	Kulite Semiconductor Products Inc. Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force) Navy (Department of the Navy)	$486,150	0.3%	Rank history: #22 in FY2021, #22 in FY2022, #14 in FY2024 and #17 in FY2025; down 41 since FY2022.
64	Jgils, LLC Top agencies DLA (Defense Logistics Agency)	$479,437	0.3%	Rank history: #61 in FY2021, not on the FY2022 list, not on the FY2024 list and #61 in FY2025; up 52 since FY2022.
65	Windward Enterprises, LLC Top agencies DLA (Defense Logistics Agency)	$477,925	0.3%	Rank history: not on the FY2021 list, #87 in FY2022, #88 in FY2024 and #55 in FY2025; up 22 since FY2022.
66	Mitutoyo Corporation Through Mitutoyo America Corp Top agencies Commerce (Department of Commerce)	$464,756	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
67	Aerospace Control Products, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$452,050	0.2%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #83 in FY2025; up 141 since FY2022.
68	Verina-Pars JV Top agencies Army (Department of the Army)	$449,299	0.2%	Rank history: not on the FY2021 list, #100 in FY2022, #48 in FY2024 and not on the FY2025 list; up 32 since FY2022.
69	Leonardo S.p.A. 2 awardees, including DRS Training & Control Systems, LLC Top agencies Navy (Department of the Navy)	$443,133	0.2%	Rank history: not on the FY2021–FY2022 lists, #37 in FY2024 and not on the FY2025 list; new.
70	Nidaz LLC Top agencies Army (Department of the Army) DOI (Department of the Interior) USAF (Department of the Air Force)	$440,223	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
71	Coherent Inc. Through Coherent NA, Inc. Top agencies DOE (Department of Energy) Navy (Department of the Navy) NASA (National Aeronautics and Space Administration)	$440,017	0.2%	Rank history: not on the FY2021 list, #48 in FY2022 and not on the FY2024–FY2025 lists; down 23 since FY2022.
72	Chant Engineering Co Inc. Top agencies Navy (Department of the Navy)	$427,385	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 72 since FY2022.
73	Jobe & Company, LLC Top agencies DHS (Department of Homeland Security)	$427,020	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
74	Pioneer Industries, LLC Top agencies DLA (Defense Logistics Agency)	$423,406	0.2%	Rank history: #41 in FY2021, #43 in FY2022, #96 in FY2024 and not on the FY2025 list; down 31 since FY2022.
75	SSI Technology Inc. Top agencies DLA (Defense Logistics Agency)	$416,515	0.2%	Rank history: not on the FY2021–FY2022 lists, #95 in FY2024 and not on the FY2025 list; up 233 since FY2022.
76	Nortekusa, Inc. Top agencies Commerce (Department of Commerce) DOI (Department of the Interior)	$410,667	0.2%	Rank history: not on the FY2021 list, #54 in FY2022, #78 in FY2024 and not on the FY2025 list; down 22 since FY2022.
77	Quantitative Engineering Solutions LLC Top agencies Commerce (Department of Commerce)	$399,740	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 132 since FY2022.
78	Sunbacker Fiberglass Inc. Top agencies Commerce (Department of Commerce)	$394,909	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 246 since FY2022.
79	Ametek Inc. 4 awardees, including Vision Research, Inc., Petrolab, L.L.C. and Edax, LLC Top agencies Navy (Department of the Navy) EPA (Environmental Protection Agency) DOJ (Department of Justice)	$390,735	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 241 since FY2022.
80	Nagano Keiki Co. Ltd. 2 awardees, including Ashcroft Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$386,416	0.2%	Rank history: #83 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 46 since FY2022.
81	Fairbanks Morse LLC Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$381,274	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 291 since FY2022.
82	Bollinger Shipyards Inc Through Chand, L.L.C. Top agencies DLA (Defense Logistics Agency)	$378,632	0.2%	Rank history: #68 in FY2021, #36 in FY2022 and not on the FY2024–FY2025 lists; down 46 since FY2022.
83	Waters Corporation Through Ta Instruments - Waters L.L.C. Top agencies Navy (Department of the Navy)	$367,099	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
84	Scanivalve Corp Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$366,641	0.2%	Rank history: #96 in FY2021, not on the FY2022 list, not on the FY2024 list and #97 in FY2025; up 317 since FY2022.
85	Nikon Americas Inc. Through Nikon Metrology, LLC Top agencies NASA (National Aeronautics and Space Administration)	$365,789	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
86	Cryosphere Innovation LLC Top agencies Army (Department of the Army)	$364,050	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
87	Triman Industries Inc. 2 awardees, including Brighton Cromwell LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$356,893	0.2%	Rank history: #44 in FY2021, not on the FY2022 list, #13 in FY2024 and #46 in FY2025; up 144 since FY2022.
88	Trillamed LLC Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$353,431	0.2%	Rank history: #40 in FY2021, not on the FY2022 list, not on the FY2024 list and #74 in FY2025; up 106 since FY2022.
89	Statz Corp Top agencies DLA (Defense Logistics Agency)	$352,704	0.2%	Rank history: #74 in FY2021, #64 in FY2022 and not on the FY2024–FY2025 lists; down 25 since FY2022.
90	Daily Instruments Corporation Through Thermocontrol Inc. Top agencies Army (Department of the Army)	$349,044	0.2%	Rank history: #47 in FY2021, not on the FY2022 list, #21 in FY2024 and not on the FY2025 list; returned.
91	Parker-Hannifin Corporation Top agencies DLA (Defense Logistics Agency)	$346,620	0.2%	Rank history: #43 in FY2021, #18 in FY2022 and not on the FY2024–FY2025 lists; down 73 since FY2022.
92	Performance Results Plus Inc. Top agencies DOI (Department of the Interior)	$337,974	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
93	S I T Corporation Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security) Navy (Department of the Navy)	$336,681	0.2%	Rank history: #30 in FY2021, #80 in FY2022, #46 in FY2024 and #48 in FY2025; down 13 since FY2022.
94	Advanced Mechanical Technology, Inc. Top agencies Army (Department of the Army)	$335,960	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
95	Emerson Electric Co 5 awardees, including Micro Motion, Inc., Emerson Process Management Power & Water Solutions, Inc. and Rosemount Inc. Top agencies Army (Department of the Army) USDA (Department of Agriculture) NASA (National Aeronautics and Space Administration)	$334,381	0.2%	Rank history: #32 in FY2021, #21 in FY2022, #10 in FY2024 and not on the FY2025 list; down 74 since FY2022.
96	DSP Enterprises, Inc. Top agencies DLA (Defense Logistics Agency)	$321,468	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
97	Interface Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$319,250	0.2%	Rank history: #82 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 197 since FY2022.
98	AJA International, Inc. Top agencies USAF (Department of the Air Force)	$318,000	0.2%	Rank history: not on the FY2021–FY2022 lists, #64 in FY2024 and not on the FY2025 list; new.
99	D. Gillette Industrial Service's Inc. Top agencies Navy (Department of the Navy)	$317,254	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
100	Wisecom Technologies Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$312,592	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.

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100 of 780 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 $183 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 NAICS 334513 contractors in FY2023?

1. Danaher Corporation ($14.9M), 2. L3Harris Technologies, Inc. ($10.5M), 3. King Nutronics Corporation ($10.3M), 4. Xylem Inc. ($9.12M), 5. Keysight Technologies, Inc. ($8.02M), 6. Campbell Scientific Inc. ($4.65M), 7. Teledyne Technologies Incorporated ($3.35M), 8. R. S. Means Company LLC ($3.31M), 9. Applied Spectrometry Associates Inc. ($2.81M), 10. 4 D Technology Corporation ($2.78M).

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