Top 100 Contractors in NAICS 332710: Machine Shops, FY2023

Name: Top 100 Contractors in NAICS 332710: Machine Shops, FY2023
Creator: GovTribe

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

The top 10 won 39% of FY2023 NAICS 332710 contract dollars

Contract obligations: $74,849,411 Net of deobligations, by contracts coded NAICS 332710
Contractors: 449 Parent companies with an obligation
Largest contractor: Loughmiller Machine, Tool & Design $5.14 million, 6.6% 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	Loughmiller Machine, Tool & Design Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$5,136,604	6.6%	Rank history: #65 in FY2021, #32 in FY2022, #4 in FY2024 and #1 in FY2025; up 31 since FY2022.
2	Chesapeake Machining & Fabrication, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$4,423,769	5.7%	Rank history: #6 in FY2021, #3 in FY2022, #2 in FY2024 and #3 in FY2025; up 1 since FY2022.
3	Neodora LLC Top agencies USAF (Department of the Air Force)	$4,356,600	5.6%	Rank history: #18 in FY2021, #14 in FY2022, #9 in FY2024 and #2 in FY2025; up 11 since FY2022.
4	Byers and Associates, LLC Top agencies DLA (Defense Logistics Agency)	$3,536,438	4.6%	Rank history: #16 in FY2021, not on the FY2022 list, not on the FY2024 list and #70 in FY2025; returned.
5	AC Inc. Top agencies Navy (Department of the Navy)	$2,523,420	3.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
6	Ruoff & Sons Inc. Top agencies Army (Department of the Army)	$2,455,248	3.2%	Rank history: #26 in FY2021, #9 in FY2022, #10 in FY2024 and #50 in FY2025; up 3 since FY2022.
7	RTX Corporation 4 awardees, including Hamilton Sundstrand Corporation, Raytheon Company and Goodrich Corporation Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$2,388,367	3.1%	Rank history: #30 in FY2021, #11 in FY2022, #8 in FY2024 and not on the FY2025 list; up 4 since FY2022.
8	BAE Systems PLC Through BAE Systems Information and Electronic Systems Integration Inc. Top agencies USAF (Department of the Air Force)	$2,150,851	2.8%	Rank history: #73 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
9	Jo-Kell Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,845,646	2.4%	Rank history: #84 in FY2021, not on the FY2022 list, #3 in FY2024 and not on the FY2025 list; up 106 since FY2022.
10	Zyci LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$1,775,644	2.3%	Rank history: not on the FY2021–FY2022 lists, #86 in FY2024 and #48 in FY2025; new.
11	Raloid Tool Co., Inc. Top agencies Army (Department of the Army)	$1,609,797	2.1%	Rank history: #9 in FY2021, #17 in FY2022, #20 in FY2024 and not on the FY2025 list; up 6 since FY2022.
12	Greene Machine & Manufacturing Inc. Top agencies USDA (Department of Agriculture) Navy (Department of the Navy) USAF (Department of the Air Force)	$1,518,705	2.0%	Rank history: #51 in FY2021, #24 in FY2022 and not on the FY2024–FY2025 lists; up 12 since FY2022.
13	Tech-Max Machine Inc. Top agencies Navy (Department of the Navy)	$1,435,254	1.9%	Rank history: not on the FY2021–FY2022 lists, #5 in FY2024 and not on the FY2025 list; new.
14	New Directions Technologies, Inc. Top agencies Navy (Department of the Navy)	$1,420,779	1.8%	Rank history: #49 in FY2021, #8 in FY2022, #37 in FY2024 and not on the FY2025 list; down 6 since FY2022.
15	Dye Precision Cnc, Inc. Top agencies Navy (Department of the Navy)	$1,303,937	1.7%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 217 since FY2022.
16	Omni Aerospace Inc. Top agencies Navy (Department of the Navy)	$1,259,096	1.6%	Rank history: #29 in FY2021, #6 in FY2022, #15 in FY2024 and #13 in FY2025; down 10 since FY2022.
17	Axion Corporation Top agencies Army (Department of the Army)	$1,177,158	1.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
18	Illinois Tool Works Inc. Through ITW GSE Inc. Top agencies DLA (Defense Logistics Agency)	$1,034,960	1.3%	Rank history: #35 in FY2021, #50 in FY2022 and not on the FY2024–FY2025 lists; up 32 since FY2022.
19	D.l. Martin Co. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$1,003,942	1.3%	Rank history: not on the FY2021–FY2022 lists, #100 in FY2024 and not on the FY2025 list; up 86 since FY2022.
20	Ellwood Group Inc. Through Ellwood Texas Forge, L.P. Top agencies Army (Department of the Army)	$937,912	1.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
21	Mirion Technologies (CANBERRA) Inc. Top agencies Navy (Department of the Navy)	$912,975	1.2%	Rank history: #58 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
22	General Manufacturing LLC Top agencies Navy (Department of the Navy)	$908,813	1.2%	Rank history: #7 in FY2021, #28 in FY2022 and not on the FY2024–FY2025 lists; up 6 since FY2022.
23	Marotta Controls Inc. Top agencies Navy (Department of the Navy)	$871,794	1.1%	Rank history: not on the FY2021 list, #69 in FY2022, #11 in FY2024 and not on the FY2025 list; up 46 since FY2022.
24	Robbins Metal Fab LLC Top agencies Navy (Department of the Navy)	$810,911	1.0%	Rank history: #15 in FY2021, #30 in FY2022, #23 in FY2024 and #25 in FY2025; up 6 since FY2022.
25	Merrill Technologies Group, LLC Top agencies Navy (Department of the Navy)	$726,088	0.9%	Rank history: not on the FY2021 list, #18 in FY2022, not on the FY2024 list and #21 in FY2025; down 7 since FY2022.
26	AMD International Technologies LLC Top agencies Navy (Department of the Navy)	$714,096	0.9%	Rank history: not on the FY2021 list, #10 in FY2022, #19 in FY2024 and not on the FY2025 list; down 16 since FY2022.
27	United Precision Corp. Top agencies Navy (Department of the Navy)	$713,000	0.9%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 246 since FY2022.
28	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$685,583	0.9%	Rank history: #53 in FY2021, #26 in FY2022, #87 in FY2024 and #91 in FY2025; down 2 since FY2022.
29	Hydraulics International, Inc. 2 awardees Top agencies DLA (Defense Logistics Agency)	$634,058	0.8%	Rank history: not on the FY2021–FY2022 lists, #29 in FY2024 and #23 in FY2025; up 96 since FY2022.
30	Coronet Machinery Corp. Top agencies Navy (Department of the Navy)	$523,049	0.7%	Rank history: #72 in FY2021, not on the FY2022 list, #18 in FY2024 and #16 in FY2025; returned.
31	Rhinestahl Corporation Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$507,026	0.7%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 78 since FY2022.
32	Britt Tool Inc. Top agencies Navy (Department of the Navy)	$503,010	0.6%	Rank history: not on the FY2021 list, #16 in FY2022, #52 in FY2024 and #40 in FY2025; down 16 since FY2022.
33	Coherent Technical Services, Inc. Top agencies Navy (Department of the Navy) NASA (National Aeronautics and Space Administration)	$487,960	0.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
34	Southern Indiana Steel Inc. Top agencies Navy (Department of the Navy) MDA (DOD Missile Defense Agency)	$487,230	0.6%	Rank history: #59 in FY2021, #35 in FY2022, #43 in FY2024 and #12 in FY2025; up 1 since FY2022.
35	D. Gillette Industrial Service's Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$464,534	0.6%	Rank history: #5 in FY2021, #13 in FY2022, #62 in FY2024 and #94 in FY2025; down 22 since FY2022.
36	ARI Phoenix Inc. Top agencies Army (Department of the Army)	$434,490	0.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
37	Strecks Inc. Top agencies Army (Department of the Army)	$383,956	0.5%	Rank history: not on the FY2021–FY2022 lists, #26 in FY2024 and not on the FY2025 list; new.
38	J & N Metal Products, LLC Top agencies Navy (Department of the Navy)	$371,266	0.5%	Rank history: #20 in FY2021, #25 in FY2022, #17 in FY2024 and #24 in FY2025; down 13 since FY2022.
39	Tri Models Inc. Top agencies USAF (Department of the Air Force)	$350,454	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
40	J & R Tool Inc. Top agencies Navy (Department of the Navy)	$344,340	0.4%	Rank history: #24 in FY2021, #47 in FY2022 and not on the FY2024–FY2025 lists; up 7 since FY2022.
41	General Southern Industries Inc Through G & G Steel Inc. Top agencies Army (Department of the Army)	$340,694	0.4%	Rank history: #19 in FY2021, #80 in FY2022 and not on the FY2024–FY2025 lists; up 39 since FY2022.
42	The Boeing Company 4 awardees, including Boeing Distribution, Inc., Insitu, Inc. and Boeing Distribution Services, Inc. Top agencies DLA (Defense Logistics Agency)	$321,159	0.4%	Rank history: not on the FY2021 list, #41 in FY2022, #64 in FY2024 and not on the FY2025 list; down 1 since FY2022.
43	Gary's Welding & Machining LLC Top agencies Navy (Department of the Navy)	$311,774	0.4%	Rank history: #71 in FY2021, #37 in FY2022 and not on the FY2024–FY2025 lists; down 6 since FY2022.
44	Sunbelt Design & Development, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$302,043	0.4%	Rank history: #37 in FY2021, #36 in FY2022 and not on the FY2024–FY2025 lists; down 8 since FY2022.
45	Atlas Machine & Supply Inc. Top agencies Army (Department of the Army)	$301,226	0.4%	Rank history: not on the FY2021–FY2022 lists, #67 in FY2024 and not on the FY2025 list; new.
46	U.s.a. Spares Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$299,480	0.4%	Rank history: not on the FY2021 list, #97 in FY2022 and not on the FY2024–FY2025 lists; up 51 since FY2022.
47	Steward Advanced Materials LLC Top agencies Navy (Department of the Navy)	$297,155	0.4%	Rank history: not on the FY2021 list, #15 in FY2022, #59 in FY2024 and #19 in FY2025; down 32 since FY2022.
48	South-TEK Systems LLC Through Aviation, Power & Marine, LLC Top agencies Navy (Department of the Navy)	$295,840	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
49	Damco, Inc. Top agencies DHS (Department of Homeland Security)	$294,652	0.4%	Rank history: #39 in FY2021, #23 in FY2022 and not on the FY2024–FY2025 lists; down 26 since FY2022.
50	Pioneer Industries, LLC Top agencies DLA (Defense Logistics Agency)	$294,228	0.4%	Rank history: #25 in FY2021, #66 in FY2022 and not on the FY2024–FY2025 lists; up 16 since FY2022.
51	Heatcon, Inc. Through Heatcon Composite Systems, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$291,825	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 284 since FY2022.
52	Aeroforce Logistics LLC Top agencies DHS (Department of Homeland Security) DLA (Defense Logistics Agency)	$282,128	0.4%	Rank history: not on the FY2021–FY2022 lists, #45 in FY2024 and #14 in FY2025; new.
53	Wingate Alloys Inc. Top agencies Army (Department of the Army)	$276,620	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
54	De Technologies Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$274,930	0.4%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #69 in FY2025; new.
55	Cardinal Scientific, Inc. Top agencies Navy (Department of the Navy) NASA (National Aeronautics and Space Administration)	$273,100	0.4%	Rank history: not on the FY2021 list, #65 in FY2022, #57 in FY2024 and #76 in FY2025; up 10 since FY2022.
56	Mission Critical Solutions, LLC Top agencies Navy (Department of the Navy)	$268,764	0.3%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #49 in FY2025; up 70 since FY2022.
57	Brindlee Mountain Fire Apparatus, LLC Top agencies Army (Department of the Army)	$250,000	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
58	Art Craft Fabricators Inc. Top agencies Navy (Department of the Navy)	$243,542	0.3%	Rank history: not on the FY2021 list, #42 in FY2022, #31 in FY2024 and not on the FY2025 list; down 16 since FY2022.
59	ECI Defense Group, Inc. 2 awardees Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$243,371	0.3%	Rank history: #21 in FY2021, #54 in FY2022, #28 in FY2024 and #45 in FY2025; down 5 since FY2022.
60	Gilco Spring of Florida, Inc. Top agencies Army (Department of the Army)	$242,400	0.3%	Rank history: not on the FY2021 list, #56 in FY2022 and not on the FY2024–FY2025 lists; down 4 since FY2022.
61	Acme Machine & Welding Co., LLC Top agencies Army (Department of the Army)	$238,920	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
62	Allied Defense Industries Inc. Top agencies DLA (Defense Logistics Agency)	$234,697	0.3%	Rank history: not on the FY2021 list, #22 in FY2022 and not on the FY2024–FY2025 lists; down 40 since FY2022.
63	C and S Machine Inc. Top agencies Navy (Department of the Navy)	$231,305	0.3%	Rank history: #17 in FY2021, #49 in FY2022, #66 in FY2024 and not on the FY2025 list; down 14 since FY2022.
64	Avioss LLC Top agencies Navy (Department of the Navy)	$230,802	0.3%	Rank history: not on the FY2021 list, #21 in FY2022, #50 in FY2024 and #22 in FY2025; down 43 since FY2022.
65	Pacon Mfg, Inc. Top agencies Navy (Department of the Navy)	$212,037	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
66	Rowley Spring & Stamping Corporation Top agencies Army (Department of the Army)	$206,640	0.3%	Rank history: not on the FY2021 list, #29 in FY2022 and not on the FY2024–FY2025 lists; down 37 since FY2022.
67	Heico Aerospace Corporat Through Seal Dynamics LLC Top agencies DLA (Defense Logistics Agency)	$204,840	0.3%	Rank history: not on the FY2021–FY2022 lists, #77 in FY2024 and #54 in FY2025; up 41 since FY2022.
68	DRS Naval Power Systems Inc. Top agencies Navy (Department of the Navy)	$199,917	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
69	Pyramid Rebuild and Machine, LLC Top agencies Army (Department of the Army)	$190,900	0.2%	Rank history: not on the FY2021 list, #91 in FY2022 and not on the FY2024–FY2025 lists; up 22 since FY2022.
70	Linsun Industrial Group LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$186,778	0.2%	Rank history: not on the FY2021 list, #83 in FY2022 and not on the FY2024–FY2025 lists; up 13 since FY2022.
71	FN Herstal Top agencies DLA (Defense Logistics Agency)	$178,757	0.2%	Rank history: not on the FY2021–FY2022 lists, #72 in FY2024 and not on the FY2025 list; new.
72	Tfab Defense Systems LLC Top agencies USAF (Department of the Air Force)	$169,716	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
73	Exito Manufacturing LLC Top agencies DLA (Defense Logistics Agency)	$168,141	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 95 since FY2022.
74	G.s.e. Dynamics, Inc. Top agencies Navy (Department of the Navy)	$165,518	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
75	Marlin Machine Products Top agencies Navy (Department of the Navy)	$161,950	0.2%	Rank history: not on the FY2021 list, #31 in FY2022, not on the FY2024 list and #41 in FY2025; down 44 since FY2022.
76	Laguna Tools, Inc. Top agencies DISA (Defense Information Systems Agency)	$158,017	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
77	Faxon Machining, LLC Top agencies Navy (Department of the Navy)	$155,656	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
78	Adirondack Electronics Inc. Top agencies Navy (Department of the Navy)	$154,188	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 39 since FY2022.
79	E.a.s. Manufacturing Co., Inc. Top agencies Navy (Department of the Navy)	$153,260	0.2%	Rank history: #10 in FY2021, #34 in FY2022, #16 in FY2024 and not on the FY2025 list; down 45 since FY2022.
80	The Harrah and Reynolds Corporation Through American Babbitt Bearing Inc. Top agencies Army (Department of the Army) DOE (Department of Energy)	$150,780	0.2%	Rank history: #36 in FY2021, not on the FY2022 list, #97 in FY2024 and not on the FY2025 list; up 52 since FY2022.
81	Bright Lights Usa, Inc. Top agencies DLA (Defense Logistics Agency)	$150,000	0.2%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #89 in FY2025; up 73 since FY2022.
82	Bayfront Metal Products LLC Top agencies DLA (Defense Logistics Agency)	$149,035	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
83	Phillips Corporation Top agencies Navy (Department of the Navy) Army (Department of the Army)	$144,943	0.2%	Rank history: #75 in FY2021, #100 in FY2022 and not on the FY2024–FY2025 lists; up 17 since FY2022.
84	Elementum 3D, Inc. Top agencies Navy (Department of the Navy)	$144,453	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
85	Seyer Industries, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$142,386	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 55 since FY2022.
86	Jgils, LLC Top agencies DLA (Defense Logistics Agency)	$141,441	0.2%	Rank history: #98 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 167 since FY2022.
87	Jash USA Inc. Through Rodney Hunt Inc. Top agencies Army (Department of the Army)	$141,190	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 120 since FY2022.
88	Proto Labs, Inc. Top agencies DMEA (Defense Microelectronics Activity)	$137,575	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
89	Engstroms Welding & Machine, Inc. Top agencies DLA (Defense Logistics Agency)	$134,250	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 60 since FY2022.
90	Apo International, Inc. Top agencies Treasury (Department of the Treasury)	$132,766	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 194 since FY2022.
91	SAFRAN 2 awardees, including Woodward Canada, Inc. Top agencies DLA (Defense Logistics Agency)	$125,972	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
92	Empire Avionics Corp. Top agencies DLA (Defense Logistics Agency)	$124,145	0.2%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #56 in FY2025; up 19 since FY2022.
93	Alliant Techsystems Inc. Through Micro Craft Inc. Top agencies NASA (National Aeronautics and Space Administration)	$123,869	0.2%	Rank history: not on the FY2021 list, #87 in FY2022 and not on the FY2024–FY2025 lists; down 6 since FY2022.
94	Kentucky Machine & Tool Co Top agencies Army (Department of the Army)	$123,000	0.2%	Rank history: not on the FY2021 list, #73 in FY2022 and not on the FY2024–FY2025 lists; down 21 since FY2022.
95	Brooks & Perkins, Inc. Top agencies Navy (Department of the Navy)	$118,355	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
96	Hydro Engineering Inc. Top agencies DOS (Department of State)	$117,691	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
97	Lockheed Martin Corporation Top agencies Navy (Department of the Navy)	$114,713	0.1%	Rank history: not on the FY2021 list, #93 in FY2022 and not on the FY2024–FY2025 lists; down 4 since FY2022.
98	Constellation Machining LLC Top agencies Navy (Department of the Navy)	$114,298	0.1%	Rank history: not on the FY2021 list, #76 in FY2022, #76 in FY2024 and #55 in FY2025; down 22 since FY2022.
99	III Williams LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$102,808	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 104 since FY2022.
100	The Entwistle Trust Through The Entwistle Company LLC Top agencies Navy (Department of the Navy)	$102,174	0.1%	Rank history: #1 in FY2021, #72 in FY2022 and not on the FY2024–FY2025 lists; down 28 since FY2022.

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100 of 449 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 $77.5 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 332710 contractors in FY2023?

1. Loughmiller Machine, Tool & Design ($5.14M), 2. Chesapeake Machining & Fabrication, Inc. ($4.42M), 3. Neodora LLC ($4.36M), 4. Byers and Associates, LLC ($3.54M), 5. AC Inc. ($2.52M), 6. Ruoff & Sons Inc. ($2.46M), 7. RTX Corporation ($2.39M), 8. BAE Systems PLC ($2.15M), 9. Jo-Kell Inc. ($1.85M), 10. Zyci LLC ($1.78M).

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