Top 100 Contractors in NAICS 32519: Other Basic Organic Chemical Manufacturing, FY2021

Name: Top 100 Contractors in NAICS 32519: Other Basic Organic Chemical Manufacturing, FY2021
Creator: GovTribe

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

The top 10 won 58% of FY2021 NAICS 32519 contract dollars

Contract obligations: $15,379,033 Net of deobligations, by contracts coded NAICS 32519 or a code under it
Contractors: 152 Parent companies with an obligation
Largest contractor: Emergency Physicians Medical Group P.C. $3.04 million, 17.2% 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	Emergency Physicians Medical Group P.C. 3 awardees, including Biosearch Technologies, Inc. and VHG Labs Inc. Top agencies HHS (Department of Health and Human Services) Navy (Department of the Navy)	$3,039,279	17.2%	Rank history: #2 in FY2022 and not on the FY2023–FY2025 lists; up 88 since FY2020.
2	Danaher Corporation 2 awardees, including Integrated DNA Technologies, Inc. and Hach Company Top agencies HHS (Department of Health and Human Services) Commerce (Department of Commerce) DOI (Department of the Interior)	$1,772,217	10.0%	Rank history: #3 in FY2022, #6 in FY2023, not on the FY2024 list and #80 in FY2025; down 1 since FY2020.
3	Resintech Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,361,887	7.7%	Rank history: #5 in FY2022, #1 in FY2023, #5 in FY2024 and #4 in FY2025; up 3 since FY2020.
4	City Chemical LLC Top agencies Navy (Department of the Navy)	$887,546	5.0%	Rank history: #6 in FY2022, #4 in FY2023, #4 in FY2024 and #2 in FY2025; up 4 since FY2020.
5	Tangram Chemical LLC Top agencies Navy (Department of the Navy)	$800,415	4.5%	Rank history: #4 in FY2022, #2 in FY2023, #11 in FY2024 and #5 in FY2025; down 2 since FY2020.
6	Lonza Group AG Through Lonza LLC Top agencies Treasury (Department of the Treasury)	$744,520	4.2%	Rank history: #7 in FY2022, #9 in FY2023, #29 in FY2024 and not on the FY2025 list; up 19 since FY2020.
7	Government Scientific Source Inc. Top agencies Commerce (Department of Commerce) HHS (Department of Health and Human Services) Army (Department of the Army)	$602,495	3.4%	Rank history: #13 in FY2022, #5 in FY2023, #12 in FY2024 and #16 in FY2025; up 16 since FY2020.
8	KAP Technochem Usa, Inc. Top agencies Army (Department of the Army)	$380,820	2.2%	Rank history: #41 in FY2022, #7 in FY2023, not on the FY2024 list and #24 in FY2025; up 25 since FY2020.
9	Cayman Chemical Co Inc. Top agencies DOJ (Department of Justice) EPA (Environmental Protection Agency) DHA (Defense Health Agency)	$361,805	2.0%	Rank history: #18 in FY2022, #14 in FY2023, #19 in FY2024 and #38 in FY2025; up 5 since FY2020.
10	ASA Environmental Products Inc. Top agencies Navy (Department of the Navy)	$340,032	1.9%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
11	Temple Engineering Inc. Top agencies IBWC (International Boundary and Water Commission U.S.-Mexico)	$315,360	1.8%	Rank history: not on the FY2022–FY2025 lists; up 9 since FY2020.
12	Polydyne Inc. Top agencies Army (Department of the Army)	$310,500	1.8%	Rank history: #8 in FY2022 and not on the FY2023–FY2025 lists; up 7 since FY2020.
13	Powder Alloy Corporation Top agencies NASA (National Aeronautics and Space Administration) USAF (Department of the Air Force)	$272,860	1.5%	Rank history: #58 in FY2022, #12 in FY2023, #10 in FY2024 and #27 in FY2025; down 2 since FY2020.
14	Thermo Electron Corporation 5 awardees, including Life Technologies Corporation, EP Scientific Products LLC and Fisher Scientific Company L.L.C. Top agencies HHS (Department of Health and Human Services) DOI (Department of the Interior) Smithsonian (Smithsonian Institution)	$264,611	1.5%	Rank history: #14 in FY2022, #17 in FY2023 and not on the FY2024–FY2025 lists; down 4 since FY2020.
15	Oerlikon Metco (US) Inc. Top agencies USAF (Department of the Air Force)	$251,539	1.4%	Rank history: #10 in FY2022, #21 in FY2023 and not on the FY2024–FY2025 lists; down 2 since FY2020.
16	Mach I, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$233,920	1.3%	Rank history: not on the FY2022–FY2024 lists and #77 in FY2025; up 12 since FY2020.
17	Mriglobal Top agencies HHS (Department of Health and Human Services)	$228,800	1.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
18	Wayne State University Top agencies Navy (Department of the Navy)	$219,223	1.2%	Rank history: #20 in FY2022, not on the FY2023 list, #28 in FY2024 and #46 in FY2025; up 3 since FY2020.
19	Fuchs Lubricants Co. 2 awardees Top agencies Army (Department of the Army)	$202,797	1.1%	Rank history: #49 in FY2022 and not on the FY2023–FY2025 lists; up 19 since FY2020.
20	General Atomic Technologies Corporation Through General Atomics International Services Corp Top agencies USAF (Department of the Air Force)	$175,660	1.0%	Rank history: #12 in FY2022, not on the FY2023 list, #26 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
21	DPA Investments Inc. Through Usalco, LLC Top agencies Army (Department of the Army)	$172,200	1.0%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
22	Bogue Systems Inc. Top agencies Navy (Department of the Navy)	$166,350	0.9%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
23	Chemeon Surface Technology, LLC Top agencies Army (Department of the Army)	$161,429	0.9%	Rank history: not on the FY2022–FY2023 lists, #52 in FY2024 and not on the FY2025 list; down 5 since FY2020.
24	Brenntag NV Through Brenntag Lubricants LLC Top agencies Army (Department of the Army)	$149,820	0.8%	Rank history: #26 in FY2022 and not on the FY2023–FY2025 lists; up 21 since FY2020.
25	Pacific Consolidated Industries LLC Top agencies Navy (Department of the Navy)	$145,466	0.8%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
26	Praxair Distribution Inc. 2 awardees, including Linde Advanced Material Technologies Inc. and Linde Gas & Equipment Inc. Top agencies NASA (National Aeronautics and Space Administration) Army (Department of the Army)	$133,318	0.8%	Rank history: #35 in FY2022, #27 in FY2023, #33 in FY2024 and not on the FY2025 list; up 33 since FY2020.
27	Floor Chem Inc. Top agencies USDA (Department of Agriculture) Commerce (Department of Commerce)	$126,621	0.7%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
28	Dynasty Chemical Corp Top agencies Army (Department of the Army)	$124,648	0.7%	Rank history: #19 in FY2022, #8 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
29	VWR International LLC 2 awardees, including VWR Chemicals LLC Top agencies DOI (Department of the Interior) Navy (Department of the Navy)	$123,986	0.7%	Rank history: #31 in FY2022, #84 in FY2023 and not on the FY2024–FY2025 lists; up 71 since FY2020.
30	BAE Systems PLC Through BAE Systems Ordnance Systems Inc. Top agencies DOI (Department of the Interior)	$123,930	0.7%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
31	Carver Pump Company Top agencies Navy (Department of the Navy)	$113,944	0.6%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
32	Synthego Corporation Top agencies HHS (Department of Health and Human Services)	$113,700	0.6%	Rank history: #60 in FY2022 and not on the FY2023–FY2025 lists; down 20 since FY2020.
33	Tower Products LLC Top agencies Treasury (Department of the Treasury)	$105,361	0.6%	Rank history: #53 in FY2022, #54 in FY2023, #55 in FY2024 and #86 in FY2025; up 25 since FY2020.
34	Aquaphoenix Scientific, LLC Top agencies Navy (Department of the Navy)	$89,450	0.5%	Rank history: #95 in FY2022, #29 in FY2023, #72 in FY2024 and #39 in FY2025; up 3 since FY2020.
35	DH Ortega Construction LLC Top agencies Army (Department of the Army)	$86,650	0.5%	Rank history: not on the FY2022–FY2025 lists; up 96 since FY2020.
36	3M Company Through 3M Technical Ceramics Inc. Top agencies Commerce (Department of Commerce)	$81,600	0.5%	Rank history: #1 in FY2022 and not on the FY2023–FY2025 lists; up 10 since FY2020.
37	Gasochem International, Llc. Top agencies Army (Department of the Army) USDA (Department of Agriculture)	$68,395	0.4%	Rank history: #52 in FY2022, #31 in FY2023, #18 in FY2024 and #20 in FY2025; up 6 since FY2020.
38	Island Pyrochemical Industries Corp Top agencies Navy (Department of the Navy)	$66,433	0.4%	Rank history: not on the FY2022 list, #18 in FY2023, #8 in FY2024 and #13 in FY2025; down 36 since FY2020.
39	Standardaero Aviation Holdings, Inc. 2 awardees, including Jet Aviation Specialists LLC and Standardaero Component Services, Inc. Top agencies Navy (Department of the Navy)	$65,674	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
40	AQW Inc. Top agencies DLA (Defense Logistics Agency)	$64,346	0.4%	Rank history: #27 in FY2022, #34 in FY2023, #60 in FY2024 and #34 in FY2025; down 18 since FY2020.
41	Odom Industries Inc. Top agencies Army (Department of the Army)	$64,135	0.4%	Rank history: not on the FY2022–FY2025 lists; up 13 since FY2020.
42	Orbit International Corp. Top agencies Navy (Department of the Navy)	$61,058	0.3%	Rank history: #54 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
43	Surface Matics F.c. L.L.C. Top agencies Treasury (Department of the Treasury)	$60,265	0.3%	Rank history: #48 in FY2022, #35 in FY2023, #39 in FY2024 and not on the FY2025 list; down 8 since FY2020.
44	Suffolk Sales and Service Corporation Top agencies Navy (Department of the Navy)	$58,919	0.3%	Rank history: not on the FY2022–FY2025 lists; up 60 since FY2020.
45	Leidos Holdings, Inc. Through Leidos Inc. Top agencies Navy (Department of the Navy)	$53,135	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
46	American Tokyo Kasei Inc. Top agencies Navy (Department of the Navy)	$50,060	0.3%	Rank history: #61 in FY2022, #40 in FY2023, #53 in FY2024 and not on the FY2025 list; up 21 since FY2020.
47	XH International Inc. Top agencies Army (Department of the Army)	$49,467	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
48	Medical Isotopes Inc. Top agencies Army (Department of the Army)	$49,410	0.3%	Rank history: #62 in FY2022 and not on the FY2023–FY2025 lists; up 2 since FY2020.
49	Regenesis Bioremediation Products Top agencies Army (Department of the Army)	$47,736	0.3%	Rank history: not on the FY2022–FY2025 lists; unchanged since FY2020.
50	Atlantic Associates International, Inc. Top agencies Treasury (Department of the Treasury)	$47,685	0.3%	Rank history: #91 in FY2022, #47 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
51	Williams Distribution LLC Top agencies USAF (Department of the Air Force)	$45,840	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
52	Gumix International, Inc. Top agencies USDA (Department of Agriculture)	$43,350	0.2%	Rank history: #34 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
53	Miles Ahead Distribution, Inc. Top agencies Treasury (Department of the Treasury)	$41,318	0.2%	Rank history: #57 in FY2022, #15 in FY2023, #27 in FY2024 and #50 in FY2025; up 103 since FY2020.
54	L3Harris Technologies, Inc. Through L3Harris Maritime Power & Energy Solutions, Inc. Top agencies Navy (Department of the Navy)	$40,994	0.2%	Rank history: not on the FY2022–FY2025 lists; up 44 since FY2020.
55	Merelex Corporation Top agencies NASA (National Aeronautics and Space Administration)	$40,091	0.2%	Rank history: not on the FY2022–FY2023 lists, #87 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
56	Valcor Engineering Corporation Top agencies Navy (Department of the Navy)	$37,675	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
57	Cooperative Producers Inc. Top agencies USDA (Department of Agriculture)	$35,910	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
58	K N F Chemical Company Inc. Top agencies VA (Department of Veterans Affairs)	$33,223	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
59	Veterans Elite Inc. Top agencies VA (Department of Veterans Affairs)	$32,808	0.2%	Rank history: #69 in FY2022 and not on the FY2023–FY2025 lists; down 7 since FY2020.
60	Furuno Electric Co. Ltd. Through Furuno U.s.a Inc. Top agencies Navy (Department of the Navy)	$32,395	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
61	Perfinity Biosciences, Inc. Top agencies HHS (Department of Health and Human Services)	$32,060	0.2%	Rank history: #33 in FY2022 and not on the FY2023–FY2025 lists; down 5 since FY2020.
62	Felix Bottcher GMBH & Co. KG Through Bottcher America Corporation Top agencies Treasury (Department of the Treasury)	$31,427	0.2%	Rank history: #78 in FY2022, #78 in FY2023 and not on the FY2024–FY2025 lists; down 1 since FY2020.
63	American Biochemicals Inc. Top agencies HHS (Department of Health and Human Services)	$31,400	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
64	Polymet Corporation Top agencies USAF (Department of the Air Force)	$30,932	0.2%	Rank history: #81 in FY2022, #72 in FY2023 and not on the FY2024–FY2025 lists; down 30 since FY2020.
65	Surpass Chemical Company, Inc. Top agencies Army (Department of the Army)	$30,728	0.2%	Rank history: #77 in FY2022 and not on the FY2023–FY2025 lists; up 20 since FY2020.
66	Nasco Aerospace and Electronics LLC Top agencies Navy (Department of the Navy)	$30,221	0.2%	Rank history: not on the FY2022–FY2024 lists and #63 in FY2025; new, not ranked in FY2020.
67	Adirondack Electronics Inc. Top agencies Navy (Department of the Navy)	$29,152	0.2%	Rank history: not on the FY2022–FY2023 lists, #65 in FY2024 and not on the FY2025 list; up 21 since FY2020.
68	Technology Dynamics, Inc. Top agencies Navy (Department of the Navy)	$28,216	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
69	Kaneka Corporation Through Anaspec, Inc. Top agencies HHS (Department of Health and Human Services)	$28,201	0.2%	Rank history: #47 in FY2022, #85 in FY2023 and not on the FY2024–FY2025 lists; down 33 since FY2020.
70	Airgas Inc. Through Airgas Usa, LLC Top agencies HHS (Department of Health and Human Services)	$27,776	0.2%	Rank history: #73 in FY2022 and not on the FY2023–FY2025 lists; up 12 since FY2020.
71	Merck KG AUF Aktien 2 awardees, including Sigma-Aldrich, Inc. Top agencies Navy (Department of the Navy) HHS (Department of Health and Human Services)	$25,627	0.1%	Rank history: #50 in FY2022, #33 in FY2023 and not on the FY2024–FY2025 lists; down 5 since FY2020.
72	General Electric Company Top agencies HHS (Department of Health and Human Services)	$25,000	0.1%	Rank history: #38 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
73	Vigor Works LLC Through Chromalloy San Diego Corp Top agencies Navy (Department of the Navy)	$24,430	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
74	10X Genomics, Inc. Top agencies HHS (Department of Health and Human Services)	$24,258	0.1%	Rank history: #29 in FY2022, not on the FY2023 list, #38 in FY2024 and #58 in FY2025; new, not ranked in FY2020.
75	L3Harris Maritime Power & Energy Solutions, Inc. Top agencies Navy (Department of the Navy)	$23,993	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
76	Hubbard-Hall Inc. Top agencies Army (Department of the Army)	$23,263	0.1%	Rank history: not on the FY2022–FY2023 lists, #74 in FY2024 and not on the FY2025 list; up 4 since FY2020.
77	American Chemical and Equipment, Inc. Top agencies Army (Department of the Army)	$23,219	0.1%	Rank history: not on the FY2022–FY2023 lists, #50 in FY2024 and #76 in FY2025; up 34 since FY2020.
78	Synovel Laboratory LLC Top agencies HHS (Department of Health and Human Services)	$23,030	0.1%	Rank history: #68 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
79	Aish Technologies Ltd Through Rivencore Global Solutions Limited Top agencies Navy (Department of the Navy)	$22,833	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
80	Gadsden Industrial Distributors, Inc. Top agencies Army (Department of the Army)	$22,758	0.1%	Rank history: not on the FY2022–FY2023 lists, #80 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
81	Environmental Operating Solutions Inc. Top agencies USAF (Department of the Air Force)	$22,500	0.1%	Rank history: #71 in FY2022, #62 in FY2023, #93 in FY2024 and #83 in FY2025; down 6 since FY2020.
82	Cryo Associates Inc. Top agencies HHS (Department of Health and Human Services)	$22,227	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
83	Johnson Controls Inc. Top agencies VA (Department of Veterans Affairs)	$22,000	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
84	Trillamed LLC Top agencies VA (Department of Veterans Affairs)	$21,726	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
85	Cambridge Isotope Laboratories Inc. Top agencies HHS (Department of Health and Human Services)	$20,722	0.1%	Rank history: #16 in FY2022, #38 in FY2023 and not on the FY2024–FY2025 lists; down 54 since FY2020.
86	Slmp LLC Top agencies USDA (Department of Agriculture)	$20,529	0.1%	Rank history: not on the FY2022–FY2025 lists; up 22 since FY2020.
87	Harwick Standard Distribution Corporation Top agencies Treasury (Department of the Treasury)	$20,275	0.1%	Rank history: not on the FY2022–FY2025 lists; up 3 since FY2020.
88	Carolina Power Systems of Sumter Inc. Top agencies Navy (Department of the Navy)	$19,138	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
89	Mosaic Materials Inc. Top agencies Navy (Department of the Navy)	$16,930	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
90	Quasar Power & Technologies Inc. Top agencies Navy (Department of the Navy)	$16,320	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
91	Perkinelmer Inc. Through Revvity Health Sciences, Inc. Top agencies HHS (Department of Health and Human Services)	$15,660	0.1%	Rank history: #93 in FY2022, #96 in FY2023, #78 in FY2024 and not on the FY2025 list; up 78 since FY2020.
92	Skystocks, Inc. Top agencies Navy (Department of the Navy)	$15,428	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
93	Gentegra LLC Top agencies HHS (Department of Health and Human Services)	$14,922	0.1%	Rank history: #85 in FY2022 and not on the FY2023–FY2025 lists; up 10 since FY2020.
94	L.r.g. Corporation Top agencies Navy (Department of the Navy)	$14,400	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
95	Chem-Master International, Inc. Top agencies HHS (Department of Health and Human Services)	$13,900	0.1%	Rank history: #46 in FY2022, not on the FY2023 list, #73 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
96	Pacific Star Corporation Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$13,114	0.1%	Rank history: #36 in FY2022 and not on the FY2023–FY2025 lists; up 31 since FY2020.
97	Professional Finishing Systems & Supplies, Inc. Top agencies Treasury (Department of the Treasury)	$12,396	0.1%	Rank history: not on the FY2022 list, #73 in FY2023, #88 in FY2024 and #66 in FY2025; down 5 since FY2020.
98	Absolute Standards Inc. Top agencies DOI (Department of the Interior)	$12,000	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
99	Thalesnano Nanotechnologiai Kutato-Fejleszto Zartkoruen Mukodo Reszvenytarsasag Top agencies HHS (Department of Health and Human Services)	$11,995	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
100	Koehler Instrument Company, Inc. Top agencies Navy (Department of the Navy)	$10,230	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.

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100 of 152 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 32519

Code	Net obligations	Largest contractor
325199 All Other Basic Organic Chemical Manufacturing	$15,277,034	Emergency Physicians Medical Group P.C.

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 $17.7 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 NAICS 32519 contractors in FY2021?

1. Emergency Physicians Medical Group P.C. ($3.04M), 2. Danaher Corporation ($1.77M), 3. Resintech Inc. ($1.36M), 4. City Chemical LLC ($888K), 5. Tangram Chemical LLC ($800K), 6. Lonza Group AG ($745K), 7. Government Scientific Source Inc. ($602K), 8. KAP Technochem Usa, Inc. ($381K), 9. Cayman Chemical Co Inc. ($362K), 10. ASA Environmental Products Inc. ($340K).

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