Top 100 Contractors in NAICS 325180: Other Basic Inorganic Chemical Manufacturing, FY2025

Parent companies by net contract obligations Oct 1, 2024 – Sep 30, 2025 Code page on GovTribe

The top 10 won 92% of FY2025 NAICS 325180 contract dollars

Ranking facts

Contract obligations
$335,317,522 Net of deobligations, by contracts coded NAICS 325180
Contractors
138 Parent companies with an obligation
Largest contractor
Mid-America Conversion Services, LLC $112 million, 33.0% of obligations
Data as of

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 $111,926,378
Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2023 and #1 in FY2024; unchanged since FY2024.
2 $65,570,356
Rank history: not on the FY2021 list, #2 in FY2022, #2 in FY2023 and #2 in FY2024; unchanged since FY2024.
3 $65,122,219
Rank history: not on the FY2021 list, #3 in FY2022 and not on the FY2023–FY2024 lists; returned.
4 $46,800,000
Rank history: not on the FY2021–FY2024 lists; new.
5 $6,286,579
Rank history: not on the FY2021–FY2024 lists; new.
6 $4,353,830
Rank history: not on the FY2021–FY2024 lists; new.
7
Lonza Walkersville Inc. Through Calca Solutions, LLC
$2,914,007
Rank history: not on the FY2021–FY2023 lists and #3 in FY2024; down 4 since FY2024.
8 $2,875,437
Rank history: not on the FY2021–FY2023 lists and #14 in FY2024; up 6 since FY2024.
9 $2,874,240
Rank history: not on the FY2021–FY2022 lists, #6 in FY2023 and #4 in FY2024; down 5 since FY2024.
10
Nidaz LLC
$2,320,219
Rank history: not on the FY2021–FY2023 lists and #57 in FY2024; up 47 since FY2024.
11 $2,182,984
Rank history: #5 in FY2021, #6 in FY2022, #9 in FY2023 and #6 in FY2024; down 5 since FY2024.
12 $1,705,000
Rank history: not on the FY2021–FY2024 lists; new.
13 $1,213,583
Rank history: #53 in FY2021, #66 in FY2022, #61 in FY2023 and #59 in FY2024; up 46 since FY2024.
14 $1,201,432
Rank history: #8 in FY2021, #9 in FY2022, #10 in FY2023 and #7 in FY2024; down 7 since FY2024.
15 $972,503
Rank history: #17 in FY2021, #12 in FY2022, #14 in FY2023 and #15 in FY2024; unchanged since FY2024.
16 $933,915
Rank history: #9 in FY2021, #8 in FY2022, #39 in FY2023 and #32 in FY2024; up 16 since FY2024.
17 $896,824
Rank history: not on the FY2021–FY2024 lists; new.
18 $816,903
Rank history: not on the FY2021–FY2023 lists and #16 in FY2024; down 2 since FY2024.
19 $717,197
Rank history: not on the FY2021 list, #19 in FY2022, #15 in FY2023 and #18 in FY2024; down 1 since FY2024.
20
Carus LLC
$691,937
Rank history: #10 in FY2021, #11 in FY2022, #19 in FY2023 and #12 in FY2024; down 8 since FY2024.
21
Condy Holdings LLC Through Carus LLC
$559,267
Rank history: not on the FY2021 list, #48 in FY2022, #21 in FY2023 and not on the FY2024 list; returned.
22
American Fast Freight Inc. Through Dubois Chemicals, Inc.
$548,599
Rank history: not on the FY2021–FY2024 lists; new.
23
Brenntag Pacific Inc
$535,732
Rank history: not on the FY2021–FY2024 lists; new.
24 $511,934
Rank history: #19 in FY2021, #25 in FY2022, #17 in FY2023 and #25 in FY2024; up 1 since FY2024.
25 $510,233
Rank history: #13 in FY2021, #15 in FY2022 and not on the FY2023–FY2024 lists; returned.
26 $507,194
Rank history: #11 in FY2021, #13 in FY2022, #46 in FY2023 and #28 in FY2024; up 2 since FY2024.
27 $500,000
Rank history: not on the FY2021–FY2024 lists; new.
28 $500,000
Rank history: not on the FY2021–FY2024 lists; new.
29 $500,000
Rank history: not on the FY2021–FY2024 lists; new.
30 $500,000
Rank history: not on the FY2021–FY2024 lists; new.
31 $500,000
Rank history: not on the FY2021–FY2024 lists; new.
32 $500,000
Rank history: not on the FY2021–FY2024 lists; new.
33
Suffolk Sales & Service Corp
$464,489
Rank history: not on the FY2021–FY2024 lists; new.
34 $420,456
Rank history: not on the FY2021–FY2022 lists, #68 in FY2023 and #40 in FY2024; up 6 since FY2024.
35 $351,037
Rank history: not on the FY2021–FY2023 lists and #23 in FY2024; down 12 since FY2024.
36 $303,250
Rank history: not on the FY2021–FY2024 lists; new.
37 $299,161
Rank history: #22 in FY2021, #20 in FY2022, #20 in FY2023 and #27 in FY2024; down 10 since FY2024.
38 $288,879
Rank history: #26 in FY2021, #50 in FY2022, #33 in FY2023 and #24 in FY2024; down 14 since FY2024.
39 $286,400
Rank history: #32 in FY2021, #34 in FY2022, #28 in FY2023 and #29 in FY2024; down 10 since FY2024.
40 $247,600
Rank history: not on the FY2021–FY2023 lists and #26 in FY2024; down 14 since FY2024.
41
Gryphon Technologies L.C. Through American Pacific Corporation
$239,050
Rank history: not on the FY2021–FY2023 lists and #9 in FY2024; down 32 since FY2024.
42 $221,742
Rank history: not on the FY2021 list, #78 in FY2022, #34 in FY2023 and #35 in FY2024; down 7 since FY2024.
43 $199,026
Rank history: #72 in FY2021, #39 in FY2022, #47 in FY2023 and not on the FY2024 list; returned.
44 $189,032
Rank history: not on the FY2021–FY2023 lists and #30 in FY2024; down 14 since FY2024.
45 $184,464
Rank history: not on the FY2021–FY2024 lists; new.
46 $180,321
Rank history: not on the FY2021–FY2024 lists; new.
47 $166,926
Rank history: not on the FY2021–FY2023 lists and #44 in FY2024; down 3 since FY2024.
48 $164,569
Rank history: #16 in FY2021, #26 in FY2022, #22 in FY2023 and #22 in FY2024; down 26 since FY2024.
49 $156,400
Rank history: not on the FY2021–FY2024 lists; new.
50
NTU Technologies Inc
$146,468
Rank history: #77 in FY2021, #38 in FY2022, #45 in FY2023 and #31 in FY2024; down 19 since FY2024.
51 $138,376
Rank history: #81 in FY2021, #47 in FY2022, #51 in FY2023 and not on the FY2024 list; returned.
52 $135,092
Rank history: #45 in FY2021, #57 in FY2022, #41 in FY2023 and #36 in FY2024; down 16 since FY2024.
53 $130,878
Rank history: not on the FY2021 list, #21 in FY2022, #18 in FY2023 and #19 in FY2024; down 34 since FY2024.
54 $129,346
Rank history: not on the FY2021–FY2023 lists and #63 in FY2024; up 9 since FY2024.
55 $110,253
Rank history: not on the FY2021–FY2024 lists; new.
56 $105,034
Rank history: not on the FY2021 list, #42 in FY2022, not on the FY2023 list and #49 in FY2024; down 7 since FY2024.
57 $96,690
Rank history: not on the FY2021–FY2024 lists; new.
58 $94,232
Rank history: #95 in FY2021, #43 in FY2022, #75 in FY2023 and #62 in FY2024; up 4 since FY2024.
59 $90,916
Rank history: #56 in FY2021, not on the FY2022 list, #25 in FY2023 and not on the FY2024 list; returned.
60 $87,257
Rank history: #39 in FY2021, not on the FY2022 list, #50 in FY2023 and #41 in FY2024; down 19 since FY2024.
61 $86,210
Rank history: #34 in FY2021, #55 in FY2022, #38 in FY2023 and #38 in FY2024; down 23 since FY2024.
62 $83,404
Rank history: #88 in FY2021, not on the FY2022 list, #54 in FY2023 and #60 in FY2024; down 2 since FY2024.
63 $82,611
Rank history: not on the FY2021–FY2024 lists; new.
64 $82,540
Rank history: #65 in FY2021, #44 in FY2022, #53 in FY2023 and #66 in FY2024; up 2 since FY2024.
65 $80,550
Rank history: not on the FY2021 list, #70 in FY2022, #55 in FY2023 and #50 in FY2024; down 15 since FY2024.
66 $70,024
Rank history: not on the FY2021–FY2024 lists; new.
67 $68,015
Rank history: not on the FY2021–FY2024 lists; new.
68 $66,297
Rank history: not on the FY2021–FY2022 lists, #52 in FY2023 and #47 in FY2024; down 21 since FY2024.
69 $65,453
Rank history: not on the FY2021–FY2022 lists, #36 in FY2023 and #45 in FY2024; down 24 since FY2024.
70 $64,293
Rank history: #40 in FY2021, #64 in FY2022, #42 in FY2023 and #43 in FY2024; down 27 since FY2024.
71 $59,784
Rank history: not on the FY2021–FY2023 lists and #96 in FY2024; up 25 since FY2024.
72 $51,903
Rank history: not on the FY2021–FY2024 lists; new.
73 $50,664
Rank history: #76 in FY2021, #67 in FY2022, #87 in FY2023 and #52 in FY2024; down 21 since FY2024.
74
Government MLO Supplies USA Inc
$47,094
Rank history: not on the FY2021–FY2023 lists and #64 in FY2024; down 10 since FY2024.
75 $46,800
Rank history: not on the FY2021–FY2024 lists; new.
76 $45,094
Rank history: not on the FY2021 list, #76 in FY2022, not on the FY2023 list and #61 in FY2024; down 15 since FY2024.
77
Central Jersey Office Equipment Inc.
$43,860
Rank history: not on the FY2021–FY2024 lists; new.
78 $42,864
Rank history: #20 in FY2021, #32 in FY2022, #69 in FY2023 and #48 in FY2024; down 30 since FY2024.
79 $42,283
Rank history: not on the FY2021–FY2024 lists; new.
80 $39,522
Rank history: #46 in FY2021, #52 in FY2022, #76 in FY2023 and #55 in FY2024; down 25 since FY2024.
81 $35,594
Rank history: not on the FY2021–FY2024 lists; new.
82 $34,929
Rank history: #59 in FY2021, #59 in FY2022, #63 in FY2023 and not on the FY2024 list; up 22 since FY2024.
83 $32,602
Rank history: not on the FY2021–FY2024 lists; new.
84 $32,294
Rank history: not on the FY2021–FY2024 lists; new.
85 $32,095
Rank history: not on the FY2021–FY2024 lists; new.
86 $31,983
Rank history: not on the FY2021 list, #23 in FY2022, #58 in FY2023 and #46 in FY2024; down 40 since FY2024.
87 $29,925
Rank history: not on the FY2021–FY2023 lists and #100 in FY2024; up 13 since FY2024.
88 $28,800
Rank history: not on the FY2021 list, #86 in FY2022, not on the FY2023 list and #86 in FY2024; down 2 since FY2024.
89 $27,768
Rank history: not on the FY2021–FY2024 lists; new.
90
Marine Care International B.V. Through Marine Care B.V.
$26,592
Rank history: not on the FY2021–FY2024 lists; new.
91 $22,835
Rank history: not on the FY2021–FY2023 lists and #88 in FY2024; down 3 since FY2024.
92 $22,578
Rank history: not on the FY2021–FY2024 lists; new.
93 $21,317
Rank history: #60 in FY2021, #61 in FY2022 and not on the FY2023–FY2024 lists; returned.
94 $21,177
Rank history: #35 in FY2021, #49 in FY2022 and not on the FY2023–FY2024 lists; returned.
95 $19,668
Rank history: not on the FY2021–FY2024 lists; new.
96 $17,953
Rank history: not on the FY2021–FY2024 lists; new.
97 $16,882
Rank history: not on the FY2021–FY2023 lists and #78 in FY2024; down 19 since FY2024.
98
Hittman Transport Services Inc Through Manufacturing Sciences Corporation
$16,444
Rank history: not on the FY2021–FY2024 lists; new.
99 $15,640
Rank history: not on the FY2021–FY2023 lists and #42 in FY2024; down 57 since FY2024.
100 $14,788
Rank history: not on the FY2021–FY2024 lists; new.
Show 75 more

100 of 138 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 $339 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 2025 ran Oct 1, 2024 – Sep 30, 2025. 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 FY2024. "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 FY2024 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 325180 contractors in FY2025?

1. Mid-America Conversion Services, LLC ($112M), 2. BWX Technologies, Inc. ($65.6M), 3. Calca Solutions, LLC ($65.1M), 4. L3Harris Technologies, Inc. ($46.8M), 5. Ezekiel Bahar ($6.29M), 6. Nation Ford Chemical Co ($4.35M), 7. Lonza Walkersville Inc. ($2.91M), 8. Usalco, LLC ($2.88M), 9. Specialized Materials and Chemicals, LLC ($2.87M), 10. Nidaz LLC ($2.32M).

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