Top 100 Contractors in PSC 6695: Combination and Miscellaneous Instruments, FY2021

Name: Top 100 Contractors in PSC 6695: Combination and Miscellaneous Instruments, FY2021
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2020 – Sep 30, 2021 Code page on GovTribe

The top 10 won 71% of FY2021 PSC 6695 contract dollars

Contract obligations: $165,971,264 Net of deobligations, by contracts coded PSC 6695
Contractors: 436 Parent companies with an obligation
Largest contractor: Sustainable System Solutions LLC $83.4 million, 49.7% 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	Sustainable System Solutions LLC Top agencies Army (Department of the Army)	$83,389,354	49.7%	Rank history: #1 in FY2022, #1 in FY2023, #1 in FY2024 and #1 in FY2025; unchanged since FY2020.
2	Danaher Corporation 3 awardees, including OTT Hydromet Corp, Hach Company and Sea-Bird Electronics, Inc. Top agencies DOI (Department of the Interior) Army (Department of the Army) Navy (Department of the Navy)	$9,191,209	5.5%	Rank history: #3 in FY2022, #2 in FY2023, #6 in FY2024 and #20 in FY2025; up 1 since FY2020.
3	Xylem Inc. Through YSI Inc. Top agencies DOI (Department of the Interior)	$6,326,790	3.8%	Rank history: #4 in FY2022, #3 in FY2023, #18 in FY2024 and not on the FY2025 list; down 1 since FY2020.
4	Humanetics Innovative Solutions Inc. 2 awardees Top agencies DOT (Department of Transportation) Army (Department of the Army)	$4,887,858	2.9%	Rank history: #5 in FY2022, #30 in FY2023 and not on the FY2024–FY2025 lists; up 16 since FY2020.
5	Aero Precision Industries LLC Through Allclear Aerospace & Defense, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$3,203,449	1.9%	Rank history: #10 in FY2022, not on the FY2023 list, #70 in FY2024 and not on the FY2025 list; up 269 since FY2020.
6	University of Alaska System Through University of Alaska Fairbanks Top agencies NASA (National Aeronautics and Space Administration)	$2,927,604	1.7%	Rank history: #16 in FY2022, #9 in FY2023, #9 in FY2024 and not on the FY2025 list; up 5 since FY2020.
7	Teledyne Technologies Incorporated 4 awardees, including Teledyne Brown Engineering, Inc., Teledyne Instruments, Inc. and Teledyne Scientific & Imaging, LLC Top agencies USAF (Department of the Air Force) DOI (Department of the Interior) NASA (National Aeronautics and Space Administration)	$2,751,402	1.6%	Rank history: #9 in FY2022, #5 in FY2023, #27 in FY2024 and #15 in FY2025; up 5 since FY2020.
8	Eaton Corporation Through Eaton Aerospace LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$2,072,886	1.2%	Rank history: not on the FY2022 list, #25 in FY2023, #20 in FY2024 and #23 in FY2025; up 83 since FY2020.
9	Kulite Semiconductor Products Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) NASA (National Aeronautics and Space Administration)	$2,069,721	1.2%	Rank history: #11 in FY2022, #15 in FY2023, #10 in FY2024 and #9 in FY2025; down 4 since FY2020.
10	Pioneer Industries, LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,819,479	1.1%	Rank history: #18 in FY2022, #22 in FY2023, #36 in FY2024 and not on the FY2025 list; up 11 since FY2020.
11	Parker-Hannifin Corporation Top agencies DLA (Defense Logistics Agency)	$1,705,455	1.0%	Rank history: #14 in FY2022, #12 in FY2023, #28 in FY2024 and not on the FY2025 list; up 5 since FY2020.
12	FTS Forest Technology Systems Ltd. Top agencies DOI (Department of the Interior)	$1,631,985	1.0%	Rank history: #99 in FY2022, not on the FY2023–FY2024 lists and #57 in FY2025; up 19 since FY2020.
13	Transaero, Inc. Top agencies DLA (Defense Logistics Agency)	$1,610,769	1.0%	Rank history: #13 in FY2022, #23 in FY2023, #21 in FY2024 and #17 in FY2025; up 11 since FY2020.
14	Testvonics Inc. Top agencies USAF (Department of the Air Force)	$1,521,083	0.9%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
15	Moog Inc. 2 awardees Top agencies Navy (Department of the Navy)	$1,494,756	0.9%	Rank history: #26 in FY2022, #41 in FY2023, not on the FY2024 list and #44 in FY2025; up 14 since FY2020.
16	In-Situ, Inc. Top agencies DOI (Department of the Interior) Army (Department of the Army)	$1,219,544	0.7%	Rank history: #24 in FY2022, #7 in FY2023, #30 in FY2024 and #24 in FY2025; up 3 since FY2020.
17	Aerocontrolex Group, Inc. Top agencies DLA (Defense Logistics Agency)	$1,158,146	0.7%	Rank history: #2 in FY2022 and not on the FY2023–FY2025 lists; up 80 since FY2020.
18	Tecan Group AG Through Tecan U.s., Inc. Top agencies HHS (Department of Health and Human Services) Army (Department of the Army)	$1,067,501	0.6%	Rank history: not on the FY2022–FY2025 lists; up 30 since FY2020.
19	Blue TECH Inc. Top agencies DOS (Department of State)	$916,065	0.5%	Rank history: not on the FY2022–FY2025 lists; up 14 since FY2020.
20	Simtech, Inc. Top agencies DLA (Defense Logistics Agency)	$853,272	0.5%	Rank history: not on the FY2022 list, #32 in FY2023, #52 in FY2024 and not on the FY2025 list; up 48 since FY2020.
21	Wilbur Technical Services LLC Top agencies DOS (Department of State)	$847,486	0.5%	Rank history: not on the FY2022–FY2025 lists; down 11 since FY2020.
22	Euroamerica LLC Top agencies DOT (Department of Transportation)	$839,747	0.5%	Rank history: not on the FY2022–FY2024 lists and #93 in FY2025; up 22 since FY2020.
23	Encocam Limited Top agencies DOT (Department of Transportation)	$829,106	0.5%	Rank history: #34 in FY2022, #91 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
24	ECI Defense Group, Inc. Top agencies DLA (Defense Logistics Agency)	$797,806	0.5%	Rank history: #53 in FY2022, #64 in FY2023, #88 in FY2024 and #40 in FY2025; up 25 since FY2020.
25	Campbell Scientific Inc. Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$796,199	0.5%	Rank history: #41 in FY2022, #20 in FY2023, #33 in FY2024 and #28 in FY2025; up 90 since FY2020.
26	Meggitt PLC Through Meggitt (Orange County), Inc. Top agencies DLA (Defense Logistics Agency)	$774,037	0.5%	Rank history: #92 in FY2022 and not on the FY2023–FY2025 lists; up 1 since FY2020.
27	Jamaica Bearings Co., Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$733,090	0.4%	Rank history: #62 in FY2022 and not on the FY2023–FY2025 lists; down 20 since FY2020.
28	Triman Industries Inc. Top agencies DLA (Defense Logistics Agency)	$697,531	0.4%	Rank history: #25 in FY2022, #57 in FY2023 and not on the FY2024–FY2025 lists; down 5 since FY2020.
29	Maintenance Technology Systems, LLC Top agencies USAF (Department of the Air Force)	$689,000	0.4%	Rank history: not on the FY2022–FY2023 lists, #80 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
30	Transdigm Group Incorporated 2 awardees, including Mason Electric Co. and Skurka Aerospace Inc. Top agencies DLA (Defense Logistics Agency)	$685,888	0.4%	Rank history: #27 in FY2022, #8 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
31	BAE Systems PLC 3 awardees, including BAE Systems Information & Electronic Systems Integration Inc. and BAE Systems Land & Armaments L.P. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$602,216	0.4%	Rank history: not on the FY2022–FY2025 lists; up 72 since FY2020.
32	R & M Government Services Inc. Top agencies DLA (Defense Logistics Agency)	$536,325	0.3%	Rank history: #46 in FY2022, #28 in FY2023, #59 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
33	Roper Technologies, Inc. 2 awardees, including Compressor Controls LLC and Viatran Corporation Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$509,387	0.3%	Rank history: #52 in FY2022, #84 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
34	RTX Corporation 5 awardees, including Rosemount Aerospace Inc., Hornet Acquisitionco, LLC and Hamilton Sundstrand Corporation Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) USAF (Department of the Air Force)	$494,406	0.3%	Rank history: #6 in FY2022, #33 in FY2023, #3 in FY2024 and #13 in FY2025; down 9 since FY2020.
35	Meter Group Inc. Top agencies USDA (Department of Agriculture)	$468,000	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
36	Sun Display Systems LLC Top agencies DLA (Defense Logistics Agency)	$462,766	0.3%	Rank history: #45 in FY2022, #59 in FY2023, #68 in FY2024 and #51 in FY2025; up 18 since FY2020.
37	Technical Communities, Inc. Top agencies Navy (Department of the Navy) NASA (National Aeronautics and Space Administration) Army (Department of the Army)	$452,548	0.3%	Rank history: not on the FY2022–FY2023 lists, #99 in FY2024 and #92 in FY2025; up 10 since FY2020.
38	Government Scientific Source Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) NASA (National Aeronautics and Space Administration)	$412,124	0.2%	Rank history: not on the FY2022 list, #77 in FY2023, #11 in FY2024 and not on the FY2025 list; up 35 since FY2020.
39	MMC Metrology Lab, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$386,141	0.2%	Rank history: not on the FY2022–FY2025 lists; up 41 since FY2020.
40	Comperipherals Incorporated Top agencies DLA (Defense Logistics Agency)	$362,731	0.2%	Rank history: not on the FY2022–FY2023 lists, #98 in FY2024 and not on the FY2025 list; up 373 since FY2020.
41	Heller Industries Inc. Top agencies DMEA (Defense Microelectronics Activity)	$345,971	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
42	Kisters AG Through Kisters North America, Inc. Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$335,285	0.2%	Rank history: #35 in FY2022, #34 in FY2023, #48 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
43	Science Applications International Corporation Through Asrc Federal Facilities Logistics, LLC Top agencies DLA (Defense Logistics Agency)	$334,354	0.2%	Rank history: not on the FY2022–FY2025 lists; up 40 since FY2020.
44	S I T Corporation Top agencies DHS (Department of Homeland Security) DLA (Defense Logistics Agency)	$332,520	0.2%	Rank history: #48 in FY2022, not on the FY2023 list, #54 in FY2024 and #55 in FY2025; up 40 since FY2020.
45	Habco Industries LLC Top agencies DLA (Defense Logistics Agency)	$326,760	0.2%	Rank history: not on the FY2022–FY2025 lists; up 115 since FY2020.
46	Dicarlo Precision Instrument Inc. Top agencies Navy (Department of the Navy)	$318,000	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
47	San Antonio Lighthouse for the Blind Top agencies DLA (Defense Logistics Agency)	$317,756	0.2%	Rank history: #44 in FY2022, #61 in FY2023, #86 in FY2024 and #35 in FY2025; up 57 since FY2020.
48	Integral Aerospace, LLC Top agencies DLA (Defense Logistics Agency)	$314,948	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
49	Ruta Supplies Inc. Top agencies DLA (Defense Logistics Agency)	$302,884	0.2%	Rank history: #36 in FY2022, #6 in FY2023, #40 in FY2024 and #18 in FY2025; up 79 since FY2020.
50	King Nutronics Corporation Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$299,353	0.2%	Rank history: #30 in FY2022, #29 in FY2023, #42 in FY2024 and not on the FY2025 list; up 5 since FY2020.
51	Thermo Electron Corporation 3 awardees, including Fisher Scientific Company L.L.C. and Thermo Electron North America LLC Top agencies HHS (Department of Health and Human Services) Army (Department of the Army)	$282,138	0.2%	Rank history: #28 in FY2022, #55 in FY2023 and not on the FY2024–FY2025 lists; down 12 since FY2020.
52	Wizard Technologies Inc. Top agencies DLA (Defense Logistics Agency)	$276,760	0.2%	Rank history: not on the FY2022–FY2025 lists; up 114 since FY2020.
53	Chemring Group PLC Through Chemring Energetic Devices Inc. Top agencies USAF (Department of the Air Force)	$261,648	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
54	Pssc Holding Co. Through BEI Precision Systems & Space Company, Inc. Top agencies DLA (Defense Logistics Agency)	$257,871	0.2%	Rank history: not on the FY2022–FY2025 lists; up 34 since FY2020.
55	American Trading Service Inc Through American Trading Services, Inc. Top agencies DLA (Defense Logistics Agency)	$257,183	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
56	Admartec, Inc. Top agencies Navy (Department of the Navy)	$240,808	0.1%	Rank history: not on the FY2022 list, #73 in FY2023, not on the FY2024 list and #76 in FY2025; new, not ranked in FY2020.
57	Riegl Usa, Inc. Top agencies Army (Department of the Army)	$238,705	0.1%	Rank history: not on the FY2022–FY2025 lists; up 82 since FY2020.
58	Melton Sales & Service Top agencies DLA (Defense Logistics Agency)	$237,520	0.1%	Rank history: #55 in FY2022 and not on the FY2023–FY2025 lists; up 9 since FY2020.
59	Treadwell Corporation (Delaware) Top agencies DLA (Defense Logistics Agency)	$227,941	0.1%	Rank history: #71 in FY2022, #87 in FY2023, #94 in FY2024 and #86 in FY2025; new, not ranked in FY2020.
60	Martin Military Inc. Top agencies DLA (Defense Logistics Agency)	$222,507	0.1%	Rank history: #87 in FY2022 and not on the FY2023–FY2025 lists; up 42 since FY2020.
61	General Dynamics Corporation Through Electric Boat Corporation Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$221,491	0.1%	Rank history: not on the FY2022 list, #14 in FY2023, #32 in FY2024 and #12 in FY2025; up 2 since FY2020.
62	Frontier Precision, Inc. Top agencies USDA (Department of Agriculture)	$220,883	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
63	L3Harris Technologies, Inc. 5 awardees, including L3Harris Maritime Services Inc., L3 Technologies, Inc. and CAE USA Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$219,756	0.1%	Rank history: #37 in FY2022, not on the FY2023 list, #29 in FY2024 and #45 in FY2025; up 18 since FY2020.
64	Coherent Inc. 2 awardees Top agencies NASA (National Aeronautics and Space Administration)	$215,785	0.1%	Rank history: #75 in FY2022 and not on the FY2023–FY2025 lists; up 92 since FY2020.
65	Jasti Usa, Inc. Top agencies DOT (Department of Transportation)	$209,735	0.1%	Rank history: not on the FY2022–FY2025 lists; up 340 since FY2020.
66	4 D Technology Corporation Top agencies NASA (National Aeronautics and Space Administration)	$207,500	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
67	Toyota Industries Corporation Through Uster Technologies, Inc. Top agencies USDA (Department of Agriculture)	$205,920	0.1%	Rank history: #56 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
68	Jewell Instruments LLC Top agencies DLA (Defense Logistics Agency)	$204,636	0.1%	Rank history: #83 in FY2022 and not on the FY2023–FY2025 lists; up 27 since FY2020.
69	Lockheed Martin Corporation 2 awardees, including Sikorsky Aircraft Corporation Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$203,813	0.1%	Rank history: #64 in FY2022, #79 in FY2023 and not on the FY2024–FY2025 lists; up 47 since FY2020.
70	OHD LLLP 2 awardees, including Markes International, Inc. Top agencies USDA (Department of Agriculture) DOJ (Department of Justice)	$198,922	0.1%	Rank history: not on the FY2022–FY2025 lists; up 255 since FY2020.
71	Turbine Technics Inc. Top agencies DLA (Defense Logistics Agency)	$195,460	0.1%	Rank history: #66 in FY2022, #49 in FY2023, #73 in FY2024 and #62 in FY2025; up 58 since FY2020.
72	Advanced Products Services Inc. Top agencies DLA (Defense Logistics Agency)	$195,341	0.1%	Rank history: #74 in FY2022, not on the FY2023 list, #69 in FY2024 and not on the FY2025 list; down 7 since FY2020.
73	Blue Cord Logistic Strategies Inc. Top agencies DLA (Defense Logistics Agency)	$189,358	0.1%	Rank history: not on the FY2022–FY2025 lists; up 34 since FY2020.
74	Test Equipment Distributors LLC Top agencies Army (Department of the Army)	$186,580	0.1%	Rank history: #70 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
75	Blue Angel Industries, LLC Top agencies Navy (Department of the Navy)	$183,498	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
76	Aosense, Inc. Top agencies Navy (Department of the Navy)	$183,350	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
77	National Instruments Corp Top agencies Army (Department of the Army)	$177,517	0.1%	Rank history: not on the FY2022–FY2025 lists; up 175 since FY2020.
78	Ligero Technical Services, LLC Top agencies DHS (Department of Homeland Security)	$171,500	0.1%	Rank history: not on the FY2022–FY2025 lists; up 132 since FY2020.
79	Honeywell International Inc. 4 awardees Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$162,574	0.1%	Rank history: #8 in FY2022, not on the FY2023 list, #57 in FY2024 and #7 in FY2025; down 64 since FY2020.
80	Welch Mechanical Designs, LLC Top agencies NASA (National Aeronautics and Space Administration)	$161,800	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
81	Powerjet Parts Inc. Top agencies DLA (Defense Logistics Agency)	$155,646	0.1%	Rank history: not on the FY2022–FY2023 lists, #51 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
82	Fluid Imaging Technologies Inc. 2 awardees, including Yokogawa Fluid Imaging Technologies, Inc. and Yokogawa Corporation of America Top agencies Army (Department of the Army) Navy (Department of the Navy)	$149,578	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
83	Aarcorp Through AAR Supply Chain, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$147,347	0.1%	Rank history: #42 in FY2022, #65 in FY2023, #84 in FY2024 and not on the FY2025 list; down 61 since FY2020.
84	Statz Corp Top agencies DLA (Defense Logistics Agency)	$144,838	0.1%	Rank history: #59 in FY2022 and not on the FY2023–FY2025 lists; up 150 since FY2020.
85	Caron East, Inc. Top agencies USDA (Department of Agriculture)	$142,527	0.1%	Rank history: not on the FY2022 list, #42 in FY2023 and not on the FY2024–FY2025 lists; up 248 since FY2020.
86	OSI Systems Inc. Through Rapiscan Systems Inc. Top agencies Navy (Department of the Navy)	$140,382	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
87	Lynn Electronics LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$133,966	0.1%	Rank history: not on the FY2022–FY2025 lists; up 410 since FY2020.
88	American Security Programs Inc Through Securadyne Systems Intermediate LLC Top agencies USAF (Department of the Air Force)	$132,509	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
89	Govage, Inc. Top agencies DOI (Department of the Interior)	$130,634	0.1%	Rank history: not on the FY2022–FY2025 lists; up 49 since FY2020.
90	Semquest, Inc. Top agencies Navy (Department of the Navy)	$130,000	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
91	Solid State Automation and Controls LLC Top agencies Army (Department of the Army)	$127,326	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
92	Seiler Instrument and Manufacturing Company, Incorporated Top agencies DLA (Defense Logistics Agency)	$124,645	0.1%	Rank history: not on the FY2022 list, #68 in FY2023 and not on the FY2024–FY2025 lists; up 69 since FY2020.
93	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$122,416	0.1%	Rank history: not on the FY2022 list, #54 in FY2023, #34 in FY2024 and #37 in FY2025; down 33 since FY2020.
94	JA Moody LLC 2 awardees, including ESI Acquisition Corp Top agencies DHS (Department of Homeland Security)	$121,776	0.1%	Rank history: not on the FY2022–FY2025 lists; up 86 since FY2020.
95	Sentech Inc. Top agencies DLA (Defense Logistics Agency)	$121,360	0.1%	Rank history: not on the FY2022–FY2025 lists; up 260 since FY2020.
96	Painter Tool Incorporated Top agencies Navy (Department of the Navy)	$120,378	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
97	LC Engineers, Inc. Top agencies Navy (Department of the Navy)	$119,812	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
98	The Churchill Companies Through TSI Incorporated Top agencies NASA (National Aeronautics and Space Administration) HHS (Department of Health and Human Services) DLA (Defense Logistics Agency)	$119,265	0.1%	Rank history: not on the FY2022–FY2025 lists; up 29 since FY2020.
99	Anritsu Company Top agencies Navy (Department of the Navy)	$117,556	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
100	Astronautics Corporation of America Top agencies Army (Department of the Army)	$116,908	0.1%	Rank history: not on the FY2022–FY2025 lists; down 58 since FY2020.

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100 of 436 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 $168 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 2021 ran Oct 1, 2020 – Sep 30, 2021. 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 FY2020. "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 FY2020 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 6695 contractors in FY2021?

1. Sustainable System Solutions LLC ($83.4M), 2. Danaher Corporation ($9.19M), 3. Xylem Inc. ($6.33M), 4. Humanetics Innovative Solutions Inc. ($4.89M), 5. Aero Precision Industries LLC ($3.2M), 6. University of Alaska System ($2.93M), 7. Teledyne Technologies Incorporated ($2.75M), 8. Eaton Corporation ($2.07M), 9. Kulite Semiconductor Products Inc. ($2.07M), 10. Pioneer Industries, LLC ($1.82M).

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