Top 100 Contractors in PSC 6660: Meteorological Instruments and Apparatus, FY2021

Name: Top 100 Contractors in PSC 6660: Meteorological Instruments and Apparatus, FY2021
Creator: GovTribe

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

The top 10 won 80% of FY2021 PSC 6660 contract dollars

Contract obligations: $53,301,501 Net of deobligations, by contracts coded PSC 6660
Contractors: 117 Parent companies with an obligation
Largest contractor: Campbell Scientific Inc. $13.9 million, 25.9% of obligations
Data as of: Oct 14, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Campbell Scientific Inc. Top agencies Commerce (Department of Commerce) Army (Department of the Army) DOI (Department of the Interior)	$13,944,364	25.9%	Rank history: #1 in FY2022, #2 in FY2023, #6 in FY2024 and #29 in FY2025; up 16 since FY2020.
2	Vaisala OYJ 2 awardees, including Vaisala Inc. Top agencies Commerce (Department of Commerce) USAF (Department of the Air Force) Army (Department of the Army)	$8,679,922	16.1%	Rank history: #2 in FY2022, #1 in FY2023, #7 in FY2024 and not on the FY2025 list; unchanged since FY2020.
3	Valkyrie Enterprises, LLC Top agencies Navy (Department of the Navy)	$5,272,913	9.8%	Rank history: #4 in FY2022, #3 in FY2023, #3 in FY2024 and #2 in FY2025; up 35 since FY2020.
4	Lockheed Martin Corporation 2 awardees, including Lockheed Martin Sippican, Inc. Top agencies Commerce (Department of Commerce) USAF (Department of the Air Force)	$4,380,716	8.1%	Rank history: #9 in FY2022, #28 in FY2023, #19 in FY2024 and #36 in FY2025; up 1 since FY2020.
5	Intellisense Systems Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$3,611,437	6.7%	Rank history: #8 in FY2022, #18 in FY2023, #22 in FY2024 and #5 in FY2025; down 1 since FY2020.
6	Mesotech International, Inc. Top agencies USAF (Department of the Air Force)	$2,127,739	4.0%	Rank history: #10 in FY2022, #7 in FY2023, #23 in FY2024 and #6 in FY2025; unchanged since FY2020.
7	North Dakota State University Top agencies Army (Department of the Army)	$1,458,503	2.7%	Rank history: #27 in FY2022, #8 in FY2023, not on the FY2024 list and #8 in FY2025; up 11 since FY2020.
8	Radiometrics Corporation Top agencies USAF (Department of the Air Force) Commerce (Department of Commerce)	$1,197,302	2.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
9	Danaher Corporation 2 awardees, including Sea-Bird Electronics, Inc. and OTT Hydromet Corp Top agencies Commerce (Department of Commerce) Navy (Department of the Navy)	$1,094,685	2.0%	Rank history: #14 in FY2022, #4 in FY2023, #9 in FY2024 and #24 in FY2025; up 2 since FY2020.
10	International Met Systems Inc. Top agencies Army (Department of the Army)	$1,092,135	2.0%	Rank history: #91 in FY2022, #33 in FY2023, #49 in FY2024 and #33 in FY2025; new, not ranked in FY2020.
11	The Durbin Group LLC Top agencies Navy (Department of the Navy)	$995,956	1.8%	Rank history: #13 in FY2022, #14 in FY2023, #12 in FY2024 and not on the FY2025 list; down 1 since FY2020.
12	Noris Group GMBH Through Graw Radiosondes GMBH & Co. KG Top agencies Commerce (Department of Commerce)	$966,090	1.8%	Rank history: #5 in FY2022, #5 in FY2023 and not on the FY2024–FY2025 lists; up 3 since FY2020.
13	South Dakota Board of Regents Through South Dakota State University Top agencies Army (Department of the Army)	$926,525	1.7%	Rank history: #7 in FY2022, not on the FY2023 list, #8 in FY2024 and not on the FY2025 list; up 3 since FY2020.
14	University of Montana System Through University of Montana Top agencies Army (Department of the Army)	$642,364	1.2%	Rank history: #6 in FY2022, #6 in FY2023, #34 in FY2024 and not on the FY2025 list; unchanged since FY2020.
15	Aerosol Devices Inc. Top agencies USAF (Department of the Air Force)	$486,128	0.9%	Rank history: not on the FY2022 list, #26 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
16	Droplet Measurement Technologies, LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$437,256	0.8%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
17	Met One Instruments, Inc. 2 awardees, including Belfort Instrument Company Top agencies USDA (Department of Agriculture) Commerce (Department of Commerce) Army (Department of the Army)	$397,466	0.7%	Rank history: #29 in FY2022, #34 in FY2023, #82 in FY2024 and not on the FY2025 list; up 3 since FY2020.
18	Pioneer Industries, LLC Top agencies DLA (Defense Logistics Agency)	$372,218	0.7%	Rank history: #30 in FY2022, not on the FY2023 list, #38 in FY2024 and #11 in FY2025; up 6 since FY2020.
19	JH Acquisition, LLC Top agencies Commerce (Department of Commerce) NASA (National Aeronautics and Space Administration)	$327,321	0.6%	Rank history: #25 in FY2022, #25 in FY2023, #30 in FY2024 and #19 in FY2025; up 3 since FY2020.
20	Kaymont Consolidated Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$301,862	0.6%	Rank history: #19 in FY2022, #19 in FY2023, #14 in FY2024 and #7 in FY2025; down 13 since FY2020.
21	Hinds International, Inc. Through Columbia Weather Systems, Inc. Top agencies DHS (Department of Homeland Security) EPA (Environmental Protection Agency)	$261,378	0.5%	Rank history: #18 in FY2022, #29 in FY2023, not on the FY2024 list and #59 in FY2025; up 12 since FY2020.
22	MZA Associates Corporation Top agencies USAF (Department of the Air Force)	$230,500	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
23	Bluehalo LLC Top agencies USAF (Department of the Air Force)	$213,291	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
24	SAFRAN Through Avox Systems Inc. Top agencies DLA (Defense Logistics Agency)	$196,829	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
25	Scintec Aktiengesellschaft Through Scintec Corporation Top agencies USAF (Department of the Air Force)	$183,380	0.3%	Rank history: #32 in FY2022, #27 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
26	American Ecotech L.C. Top agencies USAF (Department of the Air Force)	$175,488	0.3%	Rank history: not on the FY2022–FY2023 lists, #26 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
27	FTS Forest Technology Systems Ltd. Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$172,896	0.3%	Rank history: #16 in FY2022, #13 in FY2023, #17 in FY2024 and #14 in FY2025; down 6 since FY2020.
28	Edgeone LLC Top agencies Commerce (Department of Commerce)	$171,535	0.3%	Rank history: not on the FY2022 list, #91 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
29	Magee Scientific Corporation Top agencies USAF (Department of the Air Force)	$166,833	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
30	Geonor Inc. Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$161,216	0.3%	Rank history: not on the FY2022–FY2025 lists; up 50 since FY2020.
31	Theodor Wille Intertrade GMBH Through Atlantic Diving Supply, Inc. Top agencies DLA (Defense Logistics Agency)	$158,032	0.3%	Rank history: #64 in FY2022, #11 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
32	Automated Precision, Inc. Top agencies Navy (Department of the Navy)	$138,070	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
33	Triumph Group, Inc. Through Triumph Actuation Systems - Connecticut, LLC Top agencies DLA (Defense Logistics Agency)	$115,000	0.2%	Rank history: #63 in FY2022 and not on the FY2023–FY2025 lists; up 2 since FY2020.
34	TMG Gases, Inc. Top agencies Army (Department of the Army)	$103,740	0.2%	Rank history: not on the FY2022–FY2025 lists; up 2 since FY2020.
35	Li-Cor, Inc. Top agencies Commerce (Department of Commerce) USDA (Department of Agriculture)	$90,915	0.2%	Rank history: #79 in FY2022, #39 in FY2023, #32 in FY2024 and not on the FY2025 list; up 13 since FY2020.
36	Quantitative Engineering Solutions LLC Top agencies Commerce (Department of Commerce)	$89,240	0.2%	Rank history: #33 in FY2022, #21 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
37	R.m. Young Company LLC Top agencies Commerce (Department of Commerce) DOT (Department of Transportation) DLA (Defense Logistics Agency)	$87,487	0.2%	Rank history: #23 in FY2022, #17 in FY2023, #21 in FY2024 and #23 in FY2025; down 12 since FY2020.
38	Brighton Cromwell LLC Top agencies DLA (Defense Logistics Agency)	$84,195	0.2%	Rank history: #37 in FY2022 and not on the FY2023–FY2025 lists; down 1 since FY2020.
39	WH Cooke & Co Inc. Top agencies Army (Department of the Army)	$84,151	0.2%	Rank history: not on the FY2022–FY2025 lists; up 27 since FY2020.
40	Capp LLC Top agencies Army (Department of the Army)	$82,856	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
41	University of Nebraska Through Board of Regents of the University of Nebraska Top agencies Army (Department of the Army)	$80,633	0.1%	Rank history: not on the FY2022 list, #10 in FY2023, #66 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
42	LN Curtis & Sons Top agencies DLA (Defense Logistics Agency)	$78,000	0.1%	Rank history: #38 in FY2022, not on the FY2023 list, #36 in FY2024 and not on the FY2025 list; down 8 since FY2020.
43	Aantilia LLC Top agencies Navy (Department of the Navy)	$67,026	0.1%	Rank history: not on the FY2022 list, #73 in FY2023 and not on the FY2024–FY2025 lists; up 32 since FY2020.
44	I Am Focused, Inc. Top agencies DOI (Department of the Interior)	$64,800	0.1%	Rank history: #46 in FY2022, #51 in FY2023, #57 in FY2024 and #30 in FY2025; unchanged since FY2020.
45	March Electronics, Inc. Top agencies DLA (Defense Logistics Agency)	$64,417	0.1%	Rank history: #49 in FY2022, #38 in FY2023, #25 in FY2024 and #43 in FY2025; up 10 since FY2020.
46	Pacific Radomes, Inc. Top agencies Navy (Department of the Navy)	$59,655	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
47	WWW Electronics Inc. Top agencies Commerce (Department of Commerce)	$58,520	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
48	Vaisala Inc. Top agencies Commerce (Department of Commerce)	$58,217	0.1%	Rank history: #11 in FY2022, not on the FY2023 list, #2 in FY2024 and #1 in FY2025; down 39 since FY2020.
49	Connectsix LLC Top agencies DHS (Department of Homeland Security)	$56,988	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
50	Ibide Corporation Top agencies DLA (Defense Logistics Agency)	$55,975	0.1%	Rank history: #78 in FY2022 and not on the FY2023–FY2025 lists; up 49 since FY2020.
51	Fondriest Environmental, Inc. Top agencies Commerce (Department of Commerce) Army (Department of the Army) Smithsonian (Smithsonian Institution)	$50,050	0.1%	Rank history: #85 in FY2022, #60 in FY2023, #83 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
52	Gravity Consulting, LLC Through Ocean Instruments of Washington, LLC Top agencies Commerce (Department of Commerce)	$49,910	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
53	Novalynx Corporation Top agencies Commerce (Department of Commerce)	$40,723	0.1%	Rank history: #100 in FY2022, #64 in FY2023, #59 in FY2024 and #40 in FY2025; up 9 since FY2020.
54	PP Systems International, LLC Top agencies Commerce (Department of Commerce) Army (Department of the Army)	$39,521	0.1%	Rank history: not on the FY2022–FY2025 lists; up 5 since FY2020.
55	ETI Instrument Systems, Inc. Top agencies Commerce (Department of Commerce)	$38,559	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
56	Nortekusa, Inc. Top agencies Commerce (Department of Commerce)	$38,235	0.1%	Rank history: not on the FY2022 list, #16 in FY2023, #45 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
57	Xylem Inc. Through YSI Inc. Top agencies Commerce (Department of Commerce)	$37,375	0.1%	Rank history: #94 in FY2022, #80 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
58	Fedcorp Services, Inc. Top agencies Army (Department of the Army)	$37,108	0.1%	Rank history: #60 in FY2022, #57 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
59	Precision Electronics, Inc. Top agencies DLA (Defense Logistics Agency)	$35,112	0.1%	Rank history: not on the FY2022 list, #75 in FY2023 and not on the FY2024–FY2025 lists; up 18 since FY2020.
60	Guberek, Michael Top agencies USAF (Department of the Air Force)	$35,000	0.1%	Rank history: #66 in FY2022, #65 in FY2023 and not on the FY2024–FY2025 lists; down 11 since FY2020.
61	International Television Corporation Top agencies Navy (Department of the Navy)	$33,867	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
62	Dinamica Inc. Top agencies Army (Department of the Army) Commerce (Department of Commerce)	$32,674	0.1%	Rank history: #24 in FY2022, #84 in FY2023, #69 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
63	Ecircuits LLC Top agencies Commerce (Department of Commerce)	$32,500	0.1%	Rank history: not on the FY2022 list, #47 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
64	Atlantic Diving Supply, Inc. Top agencies DLA (Defense Logistics Agency)	$30,005	0.1%	Rank history: not on the FY2022–FY2024 lists and #28 in FY2025; new, not ranked in FY2020.
65	Yankee Environmental Systems, Inc. Top agencies Commerce (Department of Commerce)	$29,975	0.1%	Rank history: not on the FY2022–FY2025 lists; up 32 since FY2020.
66	International Quality Advantage LLC Top agencies Army (Department of the Army)	$29,193	0.1%	Rank history: #80 in FY2022, not on the FY2023 list, #76 in FY2024 and not on the FY2025 list; down 8 since FY2020.
67	Wilbur Technical Services LLC Top agencies EPA (Environmental Protection Agency)	$27,870	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
68	Stratus Systems, Inc. Top agencies DLA (Defense Logistics Agency)	$27,327	0.1%	Rank history: not on the FY2022–FY2025 lists; up 8 since FY2020.
69	Eppley Laboratory Inc. Top agencies Commerce (Department of Commerce)	$26,920	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 24 since FY2020.
70	Qinetiq Group PLC Through Foster-Miller, Inc. Top agencies USAF (Department of the Air Force)	$26,850	<0.1%	Rank history: #15 in FY2022, #88 in FY2023 and not on the FY2024–FY2025 lists; down 58 since FY2020.
71	Optical Scientific Inc. Top agencies Commerce (Department of Commerce)	$24,861	<0.1%	Rank history: #76 in FY2022, #70 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
72	Rotronic Instrument Corp. Through Process Sensing Technologies Corp. Top agencies Commerce (Department of Commerce)	$22,600	<0.1%	Rank history: #31 in FY2022, #94 in FY2023 and not on the FY2024–FY2025 lists; up 15 since FY2020.
73	Process Sensing Technologies Corp. Top agencies Commerce (Department of Commerce)	$20,800	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
74	Maxa Beam Searchlights, Inc. Top agencies Commerce (Department of Commerce)	$19,817	<0.1%	Rank history: #86 in FY2022, #89 in FY2023 and not on the FY2024–FY2025 lists; up 9 since FY2020.
75	Precision Advanced Machining Co. Top agencies Commerce (Department of Commerce)	$19,685	<0.1%	Rank history: #87 in FY2022, #48 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
76	S I T Corporation Top agencies DLA (Defense Logistics Agency)	$18,390	<0.1%	Rank history: #96 in FY2022, #66 in FY2023, #51 in FY2024 and #68 in FY2025; new, not ranked in FY2020.
77	Pacific Star Corporation Top agencies DLA (Defense Logistics Agency)	$18,270	<0.1%	Rank history: #75 in FY2022 and not on the FY2023–FY2025 lists; up 19 since FY2020.
78	Owyhee Group Companies Top agencies USDA (Department of Agriculture)	$17,014	<0.1%	Rank history: #89 in FY2022, not on the FY2023–FY2024 lists and #79 in FY2025; new, not ranked in FY2020.
79	Waygate Technologies USA LP Through Druck, LLC Top agencies USDA (Department of Agriculture)	$16,290	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
80	Meter Group Inc. Top agencies USDA (Department of Agriculture)	$16,184	<0.1%	Rank history: not on the FY2022 list, #82 in FY2023 and not on the FY2024–FY2025 lists; up 2 since FY2020.
81	MDF Technologies Inc. Top agencies DLA (Defense Logistics Agency)	$15,936	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 40 since FY2020.
82	Dynalec Corporation Top agencies DLA (Defense Logistics Agency)	$14,425	<0.1%	Rank history: #36 in FY2022, #83 in FY2023 and not on the FY2024–FY2025 lists; down 36 since FY2020.
83	Lexitek Inc. Top agencies Navy (Department of the Navy)	$13,988	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
84	The Airflo Instrument Company Top agencies Commerce (Department of Commerce)	$13,904	<0.1%	Rank history: not on the FY2022 list, #36 in FY2023, #91 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
85	Onset Computer Corporation Top agencies DOI (Department of the Interior)	$13,160	<0.1%	Rank history: not on the FY2022 list, #59 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
86	Lynn Electronics LLC Top agencies DLA (Defense Logistics Agency)	$12,909	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 38 since FY2020.
87	Ocean Instruments NZ Limited Top agencies Smithsonian (Smithsonian Institution)	$12,855	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
88	Eosense Inc. Top agencies Commerce (Department of Commerce)	$12,750	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
89	Northrop Grumman Corporation Through Northrop Grumman Systems Corporation Top agencies Navy (Department of the Navy)	$12,500	<0.1%	Rank history: #77 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
90	Porvair P L C Through Seal Analytical Inc. Top agencies Commerce (Department of Commerce)	$12,325	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
91	Metal Engineering Company LLC Top agencies DLA (Defense Logistics Agency)	$12,314	<0.1%	Rank history: not on the FY2022–FY2023 lists, #63 in FY2024 and #62 in FY2025; down 1 since FY2020.
92	General Dynamics Satcom Technologies Inc. Through CPI Satcom & Antenna Technologies Inc. Top agencies DLA (Defense Logistics Agency)	$12,145	<0.1%	Rank history: not on the FY2022–FY2023 lists, #95 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
93	Weckworth Manufacturing, Inc. Top agencies DLA (Defense Logistics Agency)	$11,519	<0.1%	Rank history: #81 in FY2022, #93 in FY2023 and not on the FY2024–FY2025 lists; down 12 since FY2020.
94	Inertial Labs, Inc. Top agencies Commerce (Department of Commerce)	$10,810	<0.1%	Rank history: #69 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
95	Phoenix Trading Inc. Top agencies DLA (Defense Logistics Agency)	$10,154	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 18 since FY2020.
96	Davis Wire Products Ltd. Top agencies Commerce (Department of Commerce)	$9,869	<0.1%	Rank history: not on the FY2022–FY2023 lists, #96 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
97	Aiw-Alton Inc. Top agencies DLA (Defense Logistics Agency)	$7,980	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 3 since FY2020.
98	Global-Lg LLC Top agencies Navy (Department of the Navy)	$7,810	<0.1%	Rank history: #3 in FY2022, #12 in FY2023, #55 in FY2024 and #53 in FY2025; down 95 since FY2020.
99	Triman Industries Inc. Top agencies DLA (Defense Logistics Agency)	$6,390	<0.1%	Rank history: #42 in FY2022, #96 in FY2023, #79 in FY2024 and #37 in FY2025; new, not ranked in FY2020.
100	Norman, Grace E Top agencies Commerce (Department of Commerce)	$5,720	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 6 since FY2020.

Show 75 more

100 of 117 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 $53.9 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 6660 contractors in FY2021?

1. Campbell Scientific Inc. ($13.9M), 2. Vaisala OYJ ($8.68M), 3. Valkyrie Enterprises, LLC ($5.27M), 4. Lockheed Martin Corporation ($4.38M), 5. Intellisense Systems Inc. ($3.61M), 6. Mesotech International, Inc. ($2.13M), 7. North Dakota State University ($1.46M), 8. Radiometrics Corporation ($1.2M), 9. Danaher Corporation ($1.09M), 10. International Met Systems Inc. ($1.09M).

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