Top 100 Contractors in NAICS 32519: Other Basic Organic Chemical Manufacturing, Aug 2025–Jul 2026

Parent companies by net contract obligations Aug 1, 2025 – Jul 31, 2026 Code page on GovTribe

The latest 12 months. See the newest fiscal year's list: Top Contractors in NAICS 32519: Other Basic Organic Chemical Manufacturing, FY2025.

The top 10 won 57% of NAICS 32519 contract dollars from August 2025 through July 2026

Ranking facts

Contract obligations
$23,105,602 Net of deobligations, by contracts coded NAICS 32519 or a code under it
Contractors
116 Parent companies with an obligation
Largest contractor
Monument Chemical Houston LLC $3.98 million, 16.9% of obligations
Data as of

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV · Free to reuse with credit to GovTribe (CC BY 4.0)

Full ranking

Rank Contractor Net obligations Share Trend
1 $3,981,250
Rank history: not on the FY2021–FY2024 lists and #1 in FY2025; up 9 since Aug 2024–Jul 2025.
2 $2,396,034
Rank history: #5 in FY2021, #4 in FY2022, #2 in FY2023, #11 in FY2024 and #5 in FY2025; up 4 since Aug 2024–Jul 2025.
3 $1,550,545
Rank history: #4 in FY2021, #6 in FY2022, #4 in FY2023, #4 in FY2024 and #2 in FY2025; unchanged since Aug 2024–Jul 2025.
4
Oerlikon Metco US Inc.
$1,062,537
Rank history: not on the FY2021–FY2023 lists, #7 in FY2024 and #22 in FY2025; up 10 since Aug 2024–Jul 2025.
5 $910,060
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
6
Dynasty Chemical Corp
$862,035
Rank history: not on the FY2021–FY2023 lists, #14 in FY2024 and #8 in FY2025; up 5 since Aug 2024–Jul 2025.
7 $743,050
Rank history: not on the FY2021 list, #11 in FY2022, #10 in FY2023, #9 in FY2024 and #21 in FY2025; up 17 since Aug 2024–Jul 2025.
8 $683,456
Rank history: #38 in FY2021, not on the FY2022 list, #18 in FY2023, #8 in FY2024 and #13 in FY2025; up 5 since Aug 2024–Jul 2025.
9 $653,000
Rank history: not on the FY2021 list, #24 in FY2022, #11 in FY2023, #20 in FY2024 and #23 in FY2025; new, not ranked in Aug 2024–Jul 2025.
10 $623,970
Rank history: not on the FY2021–FY2023 lists, #40 in FY2024 and #25 in FY2025; new, not ranked in Aug 2024–Jul 2025.
11 $597,900
Rank history: not on the FY2021 list, #17 in FY2022, not on the FY2023–FY2024 lists and #18 in FY2025; new, not ranked in Aug 2024–Jul 2025.
12
Pacific Star Corporation
$505,675
Rank history: not on the FY2021–FY2023 lists, #54 in FY2024 and #30 in FY2025; up 29 since Aug 2024–Jul 2025.
13 $422,891
Rank history: not on the FY2021–FY2023 lists, #23 in FY2024 and #17 in FY2025; up 7 since Aug 2024–Jul 2025.
14 $420,000
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
15 $411,945
Rank history: not on the FY2021–FY2024 lists and #10 in FY2025; up 4 since Aug 2024–Jul 2025.
16 $393,505
Rank history: #13 in FY2021, #58 in FY2022, #12 in FY2023, #10 in FY2024 and #27 in FY2025; up 10 since Aug 2024–Jul 2025.
17 $342,900
Rank history: not on the FY2021–FY2023 lists, #25 in FY2024 and not on the FY2025 list; up 11 since Aug 2024–Jul 2025.
18 $304,143
Rank history: #8 in FY2021, #41 in FY2022, #7 in FY2023, not on the FY2024 list and #24 in FY2025; up 9 since Aug 2024–Jul 2025.
19 $290,364
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
20 $260,695
Rank history: #9 in FY2021, #18 in FY2022, #14 in FY2023, #19 in FY2024 and #39 in FY2025; up 10 since Aug 2024–Jul 2025.
21
Elbit Systems of America LLC Through Sparton Aydin, LLC
$244,958
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
22 $244,950
Rank history: not on the FY2021–FY2024 lists and #26 in FY2025; new, not ranked in Aug 2024–Jul 2025.
23 $244,273
Rank history: #7 in FY2021, #13 in FY2022, #5 in FY2023, #12 in FY2024 and #16 in FY2025; down 7 since Aug 2024–Jul 2025.
24 $233,700
Rank history: not on the FY2021–FY2024 lists and #29 in FY2025; up 5 since Aug 2024–Jul 2025.
25 $228,375
Rank history: #36 in FY2021, #1 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
26 $220,000
Rank history: not on the FY2021–FY2023 lists, #42 in FY2024 and #37 in FY2025; new, not ranked in Aug 2024–Jul 2025.
27 $214,665
Rank history: not on the FY2021–FY2023 lists, #21 in FY2024 and #31 in FY2025; down 2 since Aug 2024–Jul 2025.
28 $197,060
Rank history: not on the FY2021 list, #80 in FY2022, #49 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
29 $195,888
Rank history: not on the FY2021–FY2024 lists and #9 in FY2025; down 21 since Aug 2024–Jul 2025.
30 $183,461
Rank history: not on the FY2021 list, #42 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
31
Thermo Fisher Scientific Inc. 2 awardees, including Life Technologies Corporation
$168,413
Rank history: not on the FY2021–FY2022 lists, #48 in FY2023, #30 in FY2024 and #14 in FY2025; down 13 since Aug 2024–Jul 2025.
32 $163,908
Rank history: not on the FY2021–FY2022 lists, #30 in FY2023, #32 in FY2024 and #35 in FY2025; up 2 since Aug 2024–Jul 2025.
33 $158,760
Rank history: #40 in FY2021, #27 in FY2022, #34 in FY2023, #60 in FY2024 and #34 in FY2025; up 2 since Aug 2024–Jul 2025.
34 $156,864
Rank history: not on the FY2021–FY2022 lists, #20 in FY2023, #16 in FY2024 and #63 in FY2025; up 33 since Aug 2024–Jul 2025.
35 $156,000
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
36 $153,500
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
37 $142,552
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
38 $129,386
Rank history: not on the FY2021–FY2024 lists and #32 in FY2025; down 6 since Aug 2024–Jul 2025.
39 $127,639
Rank history: not on the FY2021–FY2023 lists, #47 in FY2024 and #41 in FY2025; down 8 since Aug 2024–Jul 2025.
40 $121,495
Rank history: not on the FY2021–FY2023 lists, #57 in FY2024 and not on the FY2025 list; new, not ranked in Aug 2024–Jul 2025.
41
Fuchs Lubricants Co.
$120,861
Rank history: not on the FY2021–FY2023 lists, #92 in FY2024 and #49 in FY2025; up 50 since Aug 2024–Jul 2025.
42 $117,095
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
43 $102,813
Rank history: not on the FY2021–FY2023 lists, #91 in FY2024 and #48 in FY2025; up 60 since Aug 2024–Jul 2025.
44 $101,477
Rank history: not on the FY2021–FY2022 lists, #68 in FY2023 and not on the FY2024–FY2025 lists; down 4 since Aug 2024–Jul 2025.
45 $101,386
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
46 $93,136
Rank history: not on the FY2021–FY2024 lists and #45 in FY2025; new, not ranked in Aug 2024–Jul 2025.
47 $88,264
Rank history: not on the FY2021–FY2023 lists, #70 in FY2024 and not on the FY2025 list; up 15 since Aug 2024–Jul 2025.
48 $85,960
Rank history: #23 in FY2021, not on the FY2022–FY2023 lists, #52 in FY2024 and not on the FY2025 list; new, not ranked in Aug 2024–Jul 2025.
49 $84,120
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
50
Cerilliant Corporation 2 awardees
$82,967
Rank history: not on the FY2021–FY2023 lists, #22 in FY2024 and #38 in FY2025; down 7 since Aug 2024–Jul 2025.
51 $77,350
Rank history: #31 in FY2021 and not on the FY2022–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
52 $72,675
Rank history: not on the FY2021–FY2024 lists and #52 in FY2025; new, not ranked in Aug 2024–Jul 2025.
53 $69,300
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
54 $61,456
Rank history: not on the FY2021–FY2023 lists, #48 in FY2024 and #55 in FY2025; up 72 since Aug 2024–Jul 2025.
55 $49,551
Rank history: not on the FY2021–FY2024 lists and #53 in FY2025; unchanged since Aug 2024–Jul 2025.
56 $44,704
Rank history: #77 in FY2021, not on the FY2022–FY2023 lists, #50 in FY2024 and #75 in FY2025; up 21 since Aug 2024–Jul 2025.
57
Veterans Elite Inc
$41,000
Rank history: not on the FY2021–FY2022 lists, #45 in FY2023, #56 in FY2024 and not on the FY2025 list; new, not ranked in Aug 2024–Jul 2025.
58 $40,348
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
59 $38,600
Rank history: not on the FY2021 list, #98 in FY2022, #44 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
60 $37,975
Rank history: #74 in FY2021, #29 in FY2022, not on the FY2023 list, #38 in FY2024 and #58 in FY2025; down 12 since Aug 2024–Jul 2025.
61 $36,694
Rank history: not on the FY2021–FY2024 lists and #59 in FY2025; new, not ranked in Aug 2024–Jul 2025.
62 $35,457
Rank history: #97 in FY2021, not on the FY2022 list, #73 in FY2023, #88 in FY2024 and #65 in FY2025; up 6 since Aug 2024–Jul 2025.
63
Phigenics LLC
$34,678
Rank history: not on the FY2021–FY2023 lists, #64 in FY2024 and #61 in FY2025; up 2 since Aug 2024–Jul 2025.
64 $31,344
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
65 $29,190
Rank history: #46 in FY2021, #61 in FY2022, #40 in FY2023, #53 in FY2024 and not on the FY2025 list; new, not ranked in Aug 2024–Jul 2025.
66 $26,400
Rank history: not on the FY2021–FY2022 lists, #64 in FY2023, not on the FY2024 list and #69 in FY2025; up 7 since Aug 2024–Jul 2025.
67 $25,742
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
68
Alpha Scents Inc.
$25,200
Rank history: not on the FY2021–FY2024 lists and #71 in FY2025; new, not ranked in Aug 2024–Jul 2025.
69 $25,102
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
70
Cambridge Isotope Laboratories Inc.
$24,975
Rank history: not on the FY2021–FY2023 lists, #46 in FY2024 and #42 in FY2025; down 20 since Aug 2024–Jul 2025.
71
Environmental Resource Associates, Inc.
$24,276
Rank history: not on the FY2021–FY2025 lists; up 39 since Aug 2024–Jul 2025.
72 $23,080
Rank history: not on the FY2021–FY2023 lists, #63 in FY2024 and #74 in FY2025; down 9 since Aug 2024–Jul 2025.
73 $21,560
Rank history: #53 in FY2021, #57 in FY2022, #15 in FY2023, #27 in FY2024 and #50 in FY2025; down 28 since Aug 2024–Jul 2025.
74 $20,600
Rank history: not on the FY2021 list, #97 in FY2022, #100 in FY2023, #89 in FY2024 and #78 in FY2025; new, not ranked in Aug 2024–Jul 2025.
75 $20,385
Rank history: not on the FY2021–FY2025 lists; up 58 since Aug 2024–Jul 2025.
76 $19,976
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
77
Nalas Engineering Services Inc
$18,666
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
78 $18,597
Rank history: #81 in FY2021, #71 in FY2022, #62 in FY2023, #93 in FY2024 and #82 in FY2025; new, not ranked in Aug 2024–Jul 2025.
79
Rochester Midland Corporation
$14,978
Rank history: not on the FY2021–FY2024 lists and #91 in FY2025; new, not ranked in Aug 2024–Jul 2025.
80 $14,620
Rank history: not on the FY2021–FY2022 lists, #67 in FY2023, not on the FY2024 list and #95 in FY2025; up 17 since Aug 2024–Jul 2025.
81 $14,052
Rank history: not on the FY2021–FY2024 lists and #99 in FY2025; up 21 since Aug 2024–Jul 2025.
82 $13,296
Rank history: not on the FY2021–FY2023 lists, #94 in FY2024 and not on the FY2025 list; up 30 since Aug 2024–Jul 2025.
83 $11,760
Rank history: not on the FY2021 list, #37 in FY2022, #79 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
84
Kratos Microwave, Inc.
$10,992
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
85 $10,896
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
86 $10,408
Rank history: not on the FY2021 list, #92 in FY2022, not on the FY2023–FY2024 lists and #86 in FY2025; up 32 since Aug 2024–Jul 2025.
87 $10,216
Rank history: #2 in FY2021, #3 in FY2022, #6 in FY2023, not on the FY2024 list and #79 in FY2025; new, not ranked in Aug 2024–Jul 2025.
88 $9,470
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
89 $9,360
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
90 $8,575
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
91 $6,230
Rank history: #67 in FY2021, not on the FY2022–FY2023 lists, #65 in FY2024 and not on the FY2025 list; down 12 since Aug 2024–Jul 2025.
92
Konecranes Nuclear Equipment & Services, LLC
$5,980
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
93
General Nuclear Corp
$5,820
Rank history: not on the FY2021–FY2024 lists and #98 in FY2025; up 8 since Aug 2024–Jul 2025.
94 $5,267
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
95
Aquaphoenix Scientific, LLC
$4,692
Rank history: #34 in FY2021, #95 in FY2022, #29 in FY2023, #72 in FY2024 and #40 in FY2025; down 59 since Aug 2024–Jul 2025.
96 $4,375
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
97
Sabre Systems, LLC
$3,550
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
98 $3,195
Rank history: not on the FY2021–FY2025 lists; up 40 since Aug 2024–Jul 2025.
99 $2,850
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
100 $2,848
Rank history: not on the FY2021–FY2023 lists, #77 in FY2024 and not on the FY2025 list; new, not ranked in Aug 2024–Jul 2025.
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100 of 116 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 $23,000,950 Monument Chemical Houston LLC

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 $23.6 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. An awardee whose own actions mostly name no parent, and that no other company's actions name as their parent, rolls up its SAM.gov registration's chain of parent companies: it counts under the first company there that other companies' actions name as their parent, or under the parent most of a company's own actions name, whichever comes first; with neither, under the highest company in the chain with federal contracts of its own. Joint ventures stay companies of their own. 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.
  • Period: the trailing 12 months end with the last month that ended at least 90 days ago, because the Department of Defense reports its contract actions to FPDS about 90 days late. The list is rebuilt each night.
  • Rank changes compare with Aug 2024–Jul 2025. "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.
  • 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 Aug 2025–Jul 2026?

1. Monument Chemical Houston LLC ($3.98M), 2. Tangram Chemical LLC ($2.4M), 3. City Chemical LLC ($1.55M), 4. Oerlikon Metco US Inc. ($1.06M), 5. Polyrheo USA Inc. ($910K), 6. Dynasty Chemical Corp ($862K), 7. Momar, Incorporated ($743K), 8. Island Pyrochemical Industries Corp ($683K), 9. Scentry Biologicals, Inc. ($653K), 10. Polydyne Inc. ($624K).

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