Top VA water supply and irrigation systems contractors
In the 12 months ending Oct 5, 2026, the Department of Veterans Affairs obligated $19.0M in net prime contract dollars under NAICS 221310, down 14.5% from $22.3M in the preceding 12 months. 94 prime contractors received positive obligations, and 30 of them accounted for 80% of that spend.
Prime contracts funded by the Department of Veterans Affairs. Latest 12 months: Oct 6, 2025 to Oct 5, 2026. Source: USAspending.gov.
Obligations by fiscal year
Net prime contract obligations by federal fiscal year (October to September).
Top VA contractors for NAICS 221310
Ranked by positive obligations in the latest 12 months. Share is of all positive obligations in this market.
| # | Contractor | Latest 12 mo | Prior 12 mo | Share | Rank change |
|---|---|---|---|---|---|
| 1 | Rochester Midland Corporation | $1.5M | $0 | 7.7% | New |
| 2 | Solid Blend Technologies, Inc. | $1.1M | $1.8M | 5.5% | ▲ 1 |
| 3 | RLM Government Services LLC | $1.1M | $317K | 5.5% | ▲ 9 |
| 4 | Evoqua Water Technologies LLC | $966K | $994K | 5.0% | ▲ 2 |
| 5 | Sentinel Services, LLC | $912K | $583K | 4.8% | ▲ 4 |
| 6 | Starvdwolf LLC | $867K | $0 | 4.5% | New |
| 7 | Water Treatment Specialists Inc. | $729K | $319K | 3.8% | ▲ 4 |
| 8 | Coventina Water, LLC | $645K | $1.4M | 3.4% | ▼ 4 |
| 9 | enviroh20 LLC | $626K | $341K | 3.3% | ▲ 1 |
| 10 | Liquitech, Inc | $584K | $594K | 3.0% | ▼ 2 |
| 11 | East Range Partners LLC | $582K | −$295 | 3.0% | New |
| 12 | Aviate Enterprises, Inc. | $556K | $1.3M | 2.9% | ▼ 7 |
| 13 | US Diversified Contracting Services Inc. | $529K | $2.9M | 2.8% | ▼ 11 |
| 14 | Davis Water Service Inc | $475K | $0 | 2.5% | New |
| 15 | Ross County Water Company, Inc. | $442K | $222K | 2.3% | ▲ 3 |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- Rochester Midland Corporation$0 → $1.5M (+$1.5M) · now #1
- Starvdwolf LLC$0 → $867K (+$867K) · now #6
- RLM Government Services LLC$317K → $1.1M (+$735K) · now #3
Largest declines
- Sun Coast Resources, LLC$4.7M → $0 (−$4.7M) · no latest-period obligations
- US Diversified Contracting Services Inc.$2.9M → $529K (−$2.3M) · now #13
- Coventina Water, LLC$1.4M → $645K (−$744K) · now #8
New to this market
16 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| Rochester Midland Corporation | Sep 21, 2026 | $1.5M |
| Starvdwolf LLC | Aug 28, 2026 | $867K |
| Davis Water Service Inc | Feb 12, 2026 | $475K |
| MID-South Chemical Company, Inc. | Mar 3, 2026 | $185K |
| JW Environmental LLC | Jan 26, 2026 | $142K |
| Business Resources of Long ISL | Jun 23, 2026 | $94K |
| Advance Water Systems, Inc. | Mar 16, 2026 | $79K |
| Hyperion Biotechnology, Inc. | Jun 30, 2026 | $70K |
Where the money comes from
Funding sub-agencies within the Department of Veterans Affairs, latest 12 months. The funding organization can differ from the office that runs the requirement.
| Funding sub-agency | Latest 12 mo | Prior 12 mo | Change |
|---|---|---|---|
| Department of Veterans Affairs | $19.0M | $22.3M | Down $3.2M (14.5%) |
Potential recompetes
Large awards in this market whose current period of performance ends in the next 18 months. Treat these as research leads: options, extensions, and follow-on vehicles often change the timing.
| Award | Incumbent | Obligated | Current end |
|---|---|---|---|
| 36C24825P0047 | Coventina Water, LLC WATER PURIFICATION SYSTEM AND TESTING | $1.6M | Nov 30, 2026 |
| 36C26225C0254 | RLM Government Services LLC NEPHROS FILTERS & QUARTERLY PM - INCLUDE REPLACEMENT SINK POP: 06/30/2025 - 06/29/2030 - (BASE PLUS FOUR OPTION YEARS) | $1.1M | Jun 29, 2027 |
| 36C25722C0054 | enviroh20 LLC DEIONIZED REVERSE OSMOSIS WATER MAINTENANCE SERVICES | $1.1M | Jul 31, 2027 |
| 36C26122P0805 | Water Treatment Services Inc. WATER PURIFICATION SERVICES | $2.0M | Jul 31, 2027 |
| 36C25026P1050 | Rochester Midland Corporation SERVICE AND MAINTENANCE OF EQUIPMENT BASE + 4 | $1.5M | Sep 22, 2027 |
| 36C24823P0031 | Water Treatment Specialists Inc. CULLIGAN WATER TREATMENT SYSTEMS PREVENTIVE MAINTENANCE AND REPAIR | $2.8M | Sep 30, 2027 |
Common questions
Who are the top VA contractors for NAICS 221310?
In the latest 12 months, Rochester Midland Corporation ($1.5M), Solid Blend Technologies, Inc. ($1.1M), RLM Government Services LLC ($1.1M) received the most VA obligations for water supply and irrigation systems.
How concentrated is this market?
The eight largest primes held 40.2% of positive obligations, and Rochester Midland Corporation alone held 7.7%. 16 contractors won their first obligations in this market during the latest 12 months.
Are any large VA NAICS 221310 contracts ending soon?
6 of the largest awards in this market reach their current end date in the next 18 months. The first is 36C24825P0047 (Coventina Water, LLC, $1.6M obligated), ending Nov 30, 2026. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
Related markets
NAICS 221310 across all agencies
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$20.3MDOJ · NAICS 221310
$19.0MNASA · NAICS 221310
$13.7MInterior · NAICS 221310
$9.9MState Department · NAICS 221310
$6.9MFigures are net obligations on prime contracts (award types A–D) from USAspending.gov, grouped by funding agency and the NAICS code on each award. Net obligations include deobligations and corrections, so they can differ from positive-obligation totals. See methodology.
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