Top 39 Contractors in PSC 4630: Sewage Treatment Equipment, Jul 2025–Jun 2026

Name: Top 39 Contractors in PSC 4630: Sewage Treatment Equipment, Jul 2025–Jun 2026
Creator: GovTribe

Parent companies by net contract obligations Jul 1, 2025 – Jun 30, 2026 Code page on GovTribe

The top 10 won 98% of PSC 4630 contract dollars from July 2025 through June 2026

Contract obligations: $55,146,307 Net of deobligations, by contracts coded PSC 4630
Contractors: 42 Parent companies with an obligation
Largest contractor: Evac North America Inc $21.6 million, 39.0% of obligations
Data as of: Oct 16, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 39 rows as CSV

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Evac North America Inc 2 awardees Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$21,569,072	39.0%	Rank history: not on the FY2021–FY2022 lists, #28 in FY2023, #1 in FY2024 and #2 in FY2025; unchanged since Jul 2024–Jun 2025.
2	Sunstate Environmental Services Inc. Top agencies IBWC (International Boundary and Water Commission U.S.-Mexico)	$17,520,666	31.7%	Rank history: not on the FY2021–FY2024 lists and #1 in FY2025; new, not ranked in Jul 2024–Jun 2025.
3	Highland Engineering, Inc. Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$13,118,336	23.7%	Rank history: not on the FY2021–FY2023 lists, #25 in FY2024 and #25 in FY2025; up 22 since Jul 2024–Jun 2025.
4	Hemphill Construction Co Inc. Top agencies Army (Department of the Army)	$837,935	1.5%	Rank history: not on the FY2021–FY2023 lists, #2 in FY2024 and #3 in FY2025; new, not ranked in Jul 2024–Jun 2025.
5	Service Solutions Plumbing LLC Top agencies Army (Department of the Army)	$416,901	0.8%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
6	R P M Supply Corporation Top agencies DLA (Defense Logistics Agency)	$343,806	0.6%	Rank history: #3 in FY2021, #24 in FY2022, #4 in FY2023, #6 in FY2024 and #11 in FY2025; down 3 since Jul 2024–Jun 2025.
7	Southwest Fluid Systems, LLC Top agencies DOJ (Department of Justice)	$192,210	0.3%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
8	S I T Corporation Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$128,352	0.2%	Rank history: #10 in FY2021, #39 in FY2022, #31 in FY2023, not on the FY2024 list and #23 in FY2025; new, not ranked in Jul 2024–Jun 2025.
9	Burhani Enterprises Inc. Top agencies USAF (Department of the Air Force)	$112,455	0.2%	Rank history: not on the FY2021–FY2023 lists, #11 in FY2024 and #10 in FY2025; up 14 since Jul 2024–Jun 2025.
10	Red River Pump Specialists Inc. Top agencies USAF (Department of the Air Force)	$105,858	0.2%	Rank history: not on the FY2021–FY2024 lists and #12 in FY2025; new, not ranked in Jul 2024–Jun 2025.
11	Certified Stainless Service Inc. Top agencies USAF (Department of the Air Force)	$85,070	0.2%	Rank history: not on the FY2021–FY2024 lists and #15 in FY2025; new, not ranked in Jul 2024–Jun 2025.
12	Robert F. Beall & Sons, Inc. Top agencies DHS (Department of Homeland Security)	$70,000	0.1%	Rank history: not on the FY2021–FY2024 lists and #18 in FY2025; new, not ranked in Jul 2024–Jun 2025.
13	Thermo Fisher Scientific Inc. Through Thermo Electron North America LLC Top agencies Army (Department of the Army)	$66,941	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
14	Pride Electronics Inc. Top agencies DLA (Defense Logistics Agency)	$65,940	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
15	JWC Environmental Inc. Top agencies DOJ (Department of Justice)	$61,168	0.1%	Rank history: #15 in FY2021, #13 in FY2022, #5 in FY2023, #14 in FY2024 and #6 in FY2025; down 6 since Jul 2024–Jun 2025.
16	J.G.B. Enterprises Inc. Through Echelon Supply and Service, Inc. Top agencies DLA (Defense Logistics Agency)	$59,762	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
17	Martin Military Inc. Top agencies DLA (Defense Logistics Agency)	$51,389	0.1%	Rank history: #41 in FY2021 and not on the FY2022–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
18	Meak Solutions Llc. Top agencies USAF (Department of the Air Force)	$43,900	0.1%	Rank history: not on the FY2021–FY2024 lists and #21 in FY2025; new, not ranked in Jul 2024–Jun 2025.
19	Ideal Balance LLC Top agencies DHS (Department of Homeland Security)	$34,870	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
20	Utility Systems Solutions, Inc. Top agencies DOJ (Department of Justice)	$31,000	0.1%	Rank history: not on the FY2021–FY2024 lists and #4 in FY2025; down 15 since Jul 2024–Jun 2025.
21	FSR Consulting LLC Top agencies Navy (Department of the Navy)	$30,846	0.1%	Rank history: not on the FY2021 list, #27 in FY2022, not on the FY2023–FY2024 lists and #26 in FY2025; new, not ranked in Jul 2024–Jun 2025.
22	Lakeside Equipment Corporation Top agencies DOI (Department of the Interior)	$28,602	0.1%	Rank history: not on the FY2021–FY2024 lists and #27 in FY2025; new, not ranked in Jul 2024–Jun 2025.
23	Sogen Company, Inc. Top agencies DLA (Defense Logistics Agency)	$28,572	0.1%	Rank history: #22 in FY2021, #22 in FY2022, not on the FY2023–FY2024 lists and #28 in FY2025; up 4 since Jul 2024–Jun 2025.
24	Jenks Inc. Top agencies HHS (Department of Health and Human Services)	$28,062	0.1%	Rank history: not on the FY2021 list, #33 in FY2022, not on the FY2023 list, #12 in FY2024 and not on the FY2025 list; new, not ranked in Jul 2024–Jun 2025.
25	Orison Marketing L.L.C. Top agencies USAF (Department of the Air Force)	$24,989	<0.1%	Rank history: not on the FY2021–FY2024 lists and #8 in FY2025; down 14 since Jul 2024–Jun 2025.
26	Mike Haack Excavating, Inc. Top agencies DHS (Department of Homeland Security)	$22,000	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
27	Red Fox Environmental Services Inc. Top agencies Navy (Department of the Navy)	$16,811	<0.1%	Rank history: not on the FY2021–FY2022 lists, #19 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
28	Choicecomm, LLC Top agencies GSA (General Services Administration)	$15,870	<0.1%	Rank history: not on the FY2021–FY2024 lists and #31 in FY2025; new, not ranked in Jul 2024–Jun 2025.
29	The Environment Maryland Department of Top agencies DHS (Department of Homeland Security)	$15,600	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
30	Ecolab Inc. Through Nalco Company LLC Top agencies DOJ (Department of Justice)	$15,000	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
31	Govparts LLC Top agencies DLA (Defense Logistics Agency)	$11,880	<0.1%	Rank history: not on the FY2021–FY2024 lists and #36 in FY2025; new, not ranked in Jul 2024–Jun 2025.
32	H-O-H Water Technology, Inc. Top agencies DOT (Department of Transportation)	$11,520	<0.1%	Rank history: not on the FY2021 list, #43 in FY2022, #50 in FY2023, #45 in FY2024 and #34 in FY2025; up 3 since Jul 2024–Jun 2025.
33	All-Safe Inc. Top agencies DLA (Defense Logistics Agency)	$10,500	<0.1%	Rank history: not on the FY2021 list, #42 in FY2022, not on the FY2023–FY2024 lists and #35 in FY2025; new, not ranked in Jul 2024–Jun 2025.
34	Farmville Wholesale Electric Supply Co Inc. Top agencies DLA (Defense Logistics Agency)	$7,273	<0.1%	Rank history: #46 in FY2021 and not on the FY2022–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
35	Pioneer Industries, LLC Top agencies DLA (Defense Logistics Agency)	$6,470	<0.1%	Rank history: #20 in FY2021, #5 in FY2022, #51 in FY2023, not on the FY2024 list and #37 in FY2025; new, not ranked in Jul 2024–Jun 2025.
36	Dt-Trak Consulting, Inc. Top agencies DOI (Department of the Interior)	$6,302	<0.1%	Rank history: not on the FY2021–FY2024 lists and #33 in FY2025; new, not ranked in Jul 2024–Jun 2025.
37	Dmyles Inc. Top agencies DHS (Department of Homeland Security)	$5,750	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
38	Larkos Packing and Distribution Inc. Top agencies DLA (Defense Logistics Agency)	$2,647	<0.1%	Rank history: #61 in FY2021, #44 in FY2022, not on the FY2023 list, #28 in FY2024 and not on the FY2025 list; down 12 since Jul 2024–Jun 2025.
39	J&R Procurement, LLC Top agencies DLA (Defense Logistics Agency)	$2,600	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.

Show 14 more

39 of 42 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 $55.3 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.
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 Jul 2024–Jun 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 PSC 4630 contractors in Jul 2025–Jun 2026?

1. Evac North America Inc ($21.6M), 2. Sunstate Environmental Services Inc. ($17.5M), 3. Highland Engineering, Inc. ($13.1M), 4. Hemphill Construction Co Inc. ($838K), 5. Service Solutions Plumbing LLC ($417K), 6. R P M Supply Corporation ($344K), 7. Southwest Fluid Systems, LLC ($192K), 8. S I T Corporation ($128K), 9. Burhani Enterprises Inc. ($112K), 10. Red River Pump Specialists Inc. ($106K).

On GovTribe

Research every contractor on this list

Every contract, task order and IDV they hold
Their subsidiaries, teammates and competitors
Open opportunities they're positioned for
Alerts when they win new work

Try for free Login