Top 100 Contractors in PSC 46: Water Purification/Sewage Treatment, FY2025

Name: Top 100 Contractors in PSC 46: Water Purification/Sewage Treatment, FY2025
Creator: GovTribe

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

The top 10 won 61% of FY2025 PSC 46 contract dollars

Contract obligations: $84,910,730 Net of deobligations, by contracts coded PSC 46 or a code under it
Contractors: 264 Parent companies with an obligation
Largest contractor: Sunstate Environmental Services Inc. $17.5 million, 20.0% 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	Sunstate Environmental Services Inc. Top agencies IBWC (International Boundary and Water Commission U.S.-Mexico)	$17,520,666	20.0%	Rank history: not on the FY2021–FY2024 lists; new.
2	GTA Containers, LLC Top agencies Army (Department of the Army)	$7,027,804	8.0%	Rank history: not on the FY2021 list, #40 in FY2022, #3 in FY2023 and #2 in FY2024; unchanged since FY2024.
3	Fluidra SA Through Evac North America Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$6,874,567	7.9%	Rank history: not on the FY2021–FY2023 lists and #1 in FY2024; down 2 since FY2024.
4	Suez WTS Solutions USA Inc. Through Veolia WTS Solutions Usa, Inc. Top agencies Army (Department of the Army)	$6,349,450	7.3%	Rank history: not on the FY2021–FY2024 lists; new.
5	Integrated Procurement Technologies Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$4,446,128	5.1%	Rank history: #4 in FY2021, #1 in FY2022, #5 in FY2023 and #3 in FY2024; down 2 since FY2024.
6	Iwakuni City Waterworks Bureau Top agencies Navy (Department of the Navy)	$3,110,994	3.6%	Rank history: not on the FY2021–FY2023 lists and #12 in FY2024; up 6 since FY2024.
7	NNA Inc. 2 awardees, including Fresenius Usa, Inc. and Fresenius Medical Care Holdings Inc. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$2,203,196	2.5%	Rank history: not on the FY2021–FY2024 lists; new.
8	SDV Office Systems LLC Top agencies VA (Department of Veterans Affairs)	$2,000,765	2.3%	Rank history: not on the FY2021–FY2023 lists and #98 in FY2024; up 90 since FY2024.
9	Marine Electric Systems Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,917,480	2.2%	Rank history: #11 in FY2021, #20 in FY2022, #16 in FY2023 and #14 in FY2024; up 5 since FY2024.
10	Supplycore LLC Top agencies DLA (Defense Logistics Agency)	$1,798,692	2.1%	Rank history: #10 in FY2021, #5 in FY2022, #8 in FY2023 and #6 in FY2024; down 4 since FY2024.
11	Bromine Systems Inc. Top agencies DLA (Defense Logistics Agency)	$1,774,316	2.0%	Rank history: #14 in FY2021, #4 in FY2022, #10 in FY2023 and #7 in FY2024; down 4 since FY2024.
12	Vantive US Healthcare LLC Top agencies VA (Department of Veterans Affairs)	$1,572,153	1.8%	Rank history: not on the FY2021–FY2024 lists; new.
13	Canadian Commercial Corporation Top agencies Navy (Department of the Navy)	$1,375,000	1.6%	Rank history: not on the FY2021–FY2024 lists; new.
14	Atlantic Diving Supply, Inc. Top agencies DLA (Defense Logistics Agency)	$1,320,191	1.5%	Rank history: not on the FY2021–FY2023 lists and #40 in FY2024; up 26 since FY2024.
15	HSQ Tech, Inc. Top agencies USAF (Department of the Air Force)	$1,299,500	1.5%	Rank history: not on the FY2021–FY2024 lists; new.
16	Marathon Medical Corporation Top agencies VA (Department of Veterans Affairs)	$1,071,424	1.2%	Rank history: #17 in FY2021, #21 in FY2022, #25 in FY2023 and #26 in FY2024; up 10 since FY2024.
17	Chemtreat, Inc. Top agencies USDA (Department of Agriculture)	$1,027,560	1.2%	Rank history: not on the FY2021–FY2024 lists; up 135 since FY2024.
18	Lifestream Watersystems, Inc. Top agencies DOI (Department of the Interior) VA (Department of Veterans Affairs) DHS (Department of Homeland Security)	$912,870	1.0%	Rank history: #46 in FY2021, not on the FY2022 list, #74 in FY2023 and #71 in FY2024; up 53 since FY2024.
19	IMR Development Corp Top agencies VA (Department of Veterans Affairs)	$887,516	1.0%	Rank history: not on the FY2021–FY2024 lists; new.
20	Just Good Business LLC Top agencies Army (Department of the Army)	$799,000	0.9%	Rank history: not on the FY2021–FY2024 lists; new.
21	Ameriwater, LLC Top agencies VA (Department of Veterans Affairs)	$791,406	0.9%	Rank history: not on the FY2021–FY2023 lists and #18 in FY2024; down 3 since FY2024.
22	Luxfer Magtech Inc. Top agencies DLA (Defense Logistics Agency)	$724,032	0.8%	Rank history: not on the FY2021–FY2023 lists and #32 in FY2024; up 10 since FY2024.
23	Fairwinds Technologies LLC Top agencies Navy (Department of the Navy)	$717,630	0.8%	Rank history: not on the FY2021–FY2024 lists; new.
24	Sustainable Industries Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$694,580	0.8%	Rank history: not on the FY2021 list, #77 in FY2022 and not on the FY2023–FY2024 lists; up 234 since FY2024.
25	Mecs Inc. Top agencies Navy (Department of the Navy)	$678,385	0.8%	Rank history: not on the FY2021–FY2024 lists; new.
26	Oil States Industries, Inc. Top agencies Navy (Department of the Navy)	$652,405	0.7%	Rank history: not on the FY2021–FY2023 lists and #22 in FY2024; down 4 since FY2024.
27	Windward Enterprises, LLC Top agencies DLA (Defense Logistics Agency)	$601,940	0.7%	Rank history: not on the FY2021–FY2024 lists; up 192 since FY2024.
28	Avantech, LLC Top agencies Navy (Department of the Navy)	$536,840	0.6%	Rank history: #18 in FY2021, #30 in FY2022, not on the FY2023 list and #82 in FY2024; up 54 since FY2024.
29	Commercial Energy Specialists, LLC Top agencies Navy (Department of the Navy)	$526,656	0.6%	Rank history: not on the FY2021–FY2024 lists; up 156 since FY2024.
30	Cepeda Associates, Inc. Top agencies DLA (Defense Logistics Agency)	$494,462	0.6%	Rank history: not on the FY2021–FY2022 lists, #53 in FY2023 and #41 in FY2024; up 11 since FY2024.
31	Aqua-Chem, Inc. Top agencies DLA (Defense Logistics Agency)	$464,708	0.5%	Rank history: #41 in FY2021, #28 in FY2022, #24 in FY2023 and #16 in FY2024; down 15 since FY2024.
32	Hemphill Construction Co Inc. Top agencies Army (Department of the Army)	$450,260	0.5%	Rank history: not on the FY2021–FY2023 lists and #4 in FY2024; down 28 since FY2024.
33	Utility Systems Solutions, Inc. Top agencies DOJ (Department of Justice)	$449,708	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
34	Fluid Handling LLC 3 awardees, including Evoqua Water Technologies LLC Top agencies Navy (Department of the Navy) VA (Department of Veterans Affairs) National Gallery of Art	$416,460	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
35	Martin Military Inc. Top agencies DLA (Defense Logistics Agency)	$410,662	0.5%	Rank history: not on the FY2021–FY2022 lists, #21 in FY2023 and #9 in FY2024; down 26 since FY2024.
36	Filtration Technology, Inc. Top agencies DOI (Department of the Interior)	$372,599	0.4%	Rank history: #58 in FY2021, #34 in FY2022, #54 in FY2023 and #31 in FY2024; down 5 since FY2024.
37	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency)	$266,098	0.3%	Rank history: #44 in FY2021, #39 in FY2022, #46 in FY2023 and #57 in FY2024; up 20 since FY2024.
38	RTX Corporation Through Hamilton Sundstrand Corporation Top agencies DLA (Defense Logistics Agency)	$251,457	0.3%	Rank history: not on the FY2021–FY2023 lists and #50 in FY2024; up 12 since FY2024.
39	S I T Corporation Top agencies DLA (Defense Logistics Agency)	$250,784	0.3%	Rank history: #48 in FY2021, not on the FY2022 list, #59 in FY2023 and #49 in FY2024; up 10 since FY2024.
40	Burhani Enterprises Inc. Top agencies USAF (Department of the Air Force) HHS (Department of Health and Human Services)	$248,767	0.3%	Rank history: not on the FY2021 list, #87 in FY2022, not on the FY2023 list and #60 in FY2024; up 20 since FY2024.
41	Parrish Enterprises Inc. Top agencies Army (Department of the Army)	$236,800	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
42	B. David Co Inc. Top agencies DOS (Department of State) Navy (Department of the Navy)	$229,018	0.3%	Rank history: #15 in FY2021, #19 in FY2022, #23 in FY2023 and #35 in FY2024; down 7 since FY2024.
43	Highland Engineering, Inc. Top agencies DLA (Defense Logistics Agency)	$225,709	0.3%	Rank history: #30 in FY2021, #32 in FY2022, #1 in FY2023 and #27 in FY2024; down 16 since FY2024.
44	PBE Inc. Top agencies HHS (Department of Health and Human Services)	$223,752	0.3%	Rank history: not on the FY2021–FY2023 lists and #23 in FY2024; down 21 since FY2024.
45	Andrew J Zeigler LLC Top agencies DLA (Defense Logistics Agency)	$209,800	0.2%	Rank history: not on the FY2021–FY2023 lists and #70 in FY2024; up 25 since FY2024.
46	Westex Group, Inc. Top agencies Navy (Department of the Navy)	$202,960	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
47	Soncoast Procurement, LLC Top agencies DLA (Defense Logistics Agency)	$201,513	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
48	Draftco LLC Top agencies DLA (Defense Logistics Agency)	$198,000	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
49	Peterson Plumbing Supply Top agencies USDA (Department of Agriculture)	$169,866	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
50	Aviate Enterprises, Inc. Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice)	$169,404	0.2%	Rank history: not on the FY2021–FY2023 lists and #94 in FY2024; up 44 since FY2024.
51	Aquamedix LLC Top agencies VA (Department of Veterans Affairs)	$163,338	0.2%	Rank history: not on the FY2021–FY2023 lists and #43 in FY2024; down 8 since FY2024.
52	Absolute Water Technologies L.L.C. Top agencies USAF (Department of the Air Force) VA (Department of Veterans Affairs)	$160,454	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
53	Carolina Water Specialties LLC Top agencies DOS (Department of State)	$150,713	0.2%	Rank history: not on the FY2021 list, #52 in FY2022, #31 in FY2023 and not on the FY2024 list; up 88 since FY2024.
54	General Benefit Corporation Cd3 Top agencies DOI (Department of the Interior)	$149,681	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
55	Fluid Solutions LLC Top agencies DOS (Department of State)	$146,872	0.2%	Rank history: #98 in FY2021, #38 in FY2022, not on the FY2023 list and #37 in FY2024; down 18 since FY2024.
56	Fourinox, Inc. Top agencies Navy (Department of the Navy)	$146,850	0.2%	Rank history: #54 in FY2021, not on the FY2022–FY2023 lists and #69 in FY2024; up 13 since FY2024.
57	The Davinci Company, LLC Top agencies VA (Department of Veterans Affairs)	$145,364	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
58	Gyrene Engineering Management, LLC Top agencies USAF (Department of the Air Force)	$142,359	0.2%	Rank history: #67 in FY2021, #66 in FY2022, #79 in FY2023 and not on the FY2024 list; returned.
59	Aspen Water, Inc. Top agencies USAF (Department of the Air Force)	$141,549	0.2%	Rank history: #34 in FY2021, #23 in FY2022, not on the FY2023 list and #28 in FY2024; down 31 since FY2024.
60	Liquitech, Inc. Top agencies VA (Department of Veterans Affairs)	$136,660	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
61	GEA North America Inc. Top agencies DHS (Department of Homeland Security)	$132,920	0.2%	Rank history: not on the FY2021–FY2023 lists and #48 in FY2024; down 13 since FY2024.
62	Sulzer AG Through JWC Environmental Inc. Top agencies DOJ (Department of Justice) Navy (Department of the Navy)	$132,331	0.2%	Rank history: #89 in FY2021, #79 in FY2022, #22 in FY2023 and #64 in FY2024; up 2 since FY2024.
63	Professional Turf Products, Limited Partnership Top agencies USAF (Department of the Air Force)	$130,834	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
64	Spaires Inc Top agencies DLA (Defense Logistics Agency)	$127,841	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
65	Orison Marketing L.L.C. Top agencies USAF (Department of the Air Force)	$124,736	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
66	The Filtrine Manufacturing Company, Inc. Top agencies USAF (Department of the Air Force)	$124,347	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
67	H C Merchandisers, Inc. Top agencies DLA (Defense Logistics Agency)	$119,657	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
68	Jafri Brothers LLC Top agencies DOS (Department of State)	$119,508	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
69	Bluegrass / Kesco, Inc. Top agencies VA (Department of Veterans Affairs)	$115,757	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
70	Coastline Ltd. Top agencies Smithsonian (Smithsonian Institution)	$115,632	0.1%	Rank history: not on the FY2021–FY2022 lists, #91 in FY2023 and #58 in FY2024; down 12 since FY2024.
71	Airborne Supply Inc. Top agencies DLA (Defense Logistics Agency)	$112,950	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
72	Giga, Inc. Top agencies Army (Department of the Army)	$112,536	0.1%	Rank history: #57 in FY2021, #63 in FY2022, #92 in FY2023 and #95 in FY2024; up 23 since FY2024.
73	Global Logistics Strategies Inc. Top agencies DLA (Defense Logistics Agency)	$111,678	0.1%	Rank history: #74 in FY2021, #42 in FY2022, not on the FY2023 list and #86 in FY2024; up 13 since FY2024.
74	Argo Turboserve Corporation Top agencies DLA (Defense Logistics Agency)	$108,735	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
75	R P M Supply Corporation Top agencies DLA (Defense Logistics Agency)	$108,432	0.1%	Rank history: #19 in FY2021, not on the FY2022 list, #19 in FY2023 and #21 in FY2024; down 54 since FY2024.
76	Filtration Concepts Inc. Top agencies Commerce (Department of Commerce)	$108,078	0.1%	Rank history: not on the FY2021–FY2024 lists; up 53 since FY2024.
77	Puragen Carbones Activados, S.l. Top agencies Navy (Department of the Navy)	$107,525	0.1%	Rank history: not on the FY2021–FY2024 lists; up 53 since FY2024.
78	Red River Pump Specialists Inc. Top agencies USAF (Department of the Air Force)	$105,858	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
79	Energysolutions Services Inc. Top agencies Navy (Department of the Navy)	$104,270	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
80	Hydraulics International, Inc. Top agencies DLA (Defense Logistics Agency)	$98,141	0.1%	Rank history: #73 in FY2021 and not on the FY2022–FY2024 lists; up 36 since FY2024.
81	Critical Procurement LLC Top agencies DLA (Defense Logistics Agency)	$96,525	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
82	Ack3 Consulting, LLC Top agencies DOJ (Department of Justice)	$95,147	0.1%	Rank history: not on the FY2021–FY2024 lists; up 45 since FY2024.
83	Kay Kay LLC Top agencies Commerce (Department of Commerce)	$95,000	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
84	Atlantium Technologies Ltd Top agencies DOI (Department of the Interior)	$94,435	0.1%	Rank history: #8 in FY2021 and not on the FY2022–FY2024 lists; returned.
85	Northwest Water Conditioning Company Top agencies VA (Department of Veterans Affairs) DOI (Department of the Interior)	$93,693	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
86	Emergency Water Solutions, LLC Top agencies VA (Department of Veterans Affairs)	$93,356	0.1%	Rank history: not on the FY2021–FY2023 lists and #53 in FY2024; down 33 since FY2024.
87	United Commercial Space Company Top agencies USAF (Department of the Air Force)	$91,588	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
88	Suncore Distribution LLC Top agencies DOJ (Department of Justice)	$89,005	0.1%	Rank history: not on the FY2021–FY2023 lists and #100 in FY2024; up 12 since FY2024.
89	Brown & Morrison, Limited Top agencies Navy (Department of the Navy)	$88,257	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
90	Sun Coast Resources Inc. Top agencies VA (Department of Veterans Affairs)	$88,000	0.1%	Rank history: not on the FY2021–FY2023 lists and #17 in FY2024; down 73 since FY2024.
91	Certified Stainless Service Inc. Top agencies USAF (Department of the Air Force)	$85,070	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
92	Industrial Water Engineering Inc. Top agencies HHS (Department of Health and Human Services)	$84,087	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
93	Northeastern Environmental Services Inc. Top agencies Navy (Department of the Navy)	$84,000	0.1%	Rank history: #92 in FY2021, #95 in FY2022 and not on the FY2023–FY2024 lists; returned.
94	Cedarville Engineering Group LLC Top agencies DOT (Department of Transportation)	$83,750	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
95	Melton Sales & Service Top agencies DLA (Defense Logistics Agency)	$75,840	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
96	Franklin Young International, Incorporated Top agencies DOI (Department of the Interior)	$74,723	0.1%	Rank history: not on the FY2021 list, #100 in FY2022, not on the FY2023 list and #63 in FY2024; down 33 since FY2024.
97	Coventina Water, LLC Top agencies VA (Department of Veterans Affairs)	$73,298	0.1%	Rank history: #87 in FY2021, not on the FY2022 list, #96 in FY2023 and not on the FY2024 list; up 158 since FY2024.
98	Phigenics LLC Top agencies VA (Department of Veterans Affairs)	$73,090	0.1%	Rank history: not on the FY2021–FY2023 lists and #88 in FY2024; down 10 since FY2024.
99	Triman Industries Inc. Top agencies DLA (Defense Logistics Agency)	$70,331	0.1%	Rank history: not on the FY2021 list, #97 in FY2022, #56 in FY2023 and #74 in FY2024; down 25 since FY2024.
100	Portable Services, Inc. Top agencies Army (Department of the Army)	$70,000	0.1%	Rank history: not on the FY2021–FY2023 lists and #24 in FY2024; down 76 since FY2024.

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100 of 264 contractors listed here. See the rest on GovTribe.

Rankings for the codes under PSC 46

Code	Net obligations	Largest contractor
4610 Water Purification Equipment	$51,569,373	GTA Containers, LLC
4630 Sewage Treatment Equipment	$27,311,230	Sunstate Environmental Services Inc.
4620 Water Distillation Equipment, Marine and Industrial	$6,030,127	Marine Electric Systems Inc.

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 $87.5 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 PSC 46 contractors in FY2025?

1. Sunstate Environmental Services Inc. ($17.5M), 2. GTA Containers, LLC ($7.03M), 3. Fluidra SA ($6.87M), 4. Suez WTS Solutions USA Inc. ($6.35M), 5. Integrated Procurement Technologies ($4.45M), 6. Iwakuni City Waterworks Bureau ($3.11M), 7. NNA Inc. ($2.2M), 8. SDV Office Systems LLC ($2M), 9. Marine Electric Systems Inc. ($1.92M), 10. Supplycore LLC ($1.8M).

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