Top State Department water and sewer line and related structures construction contractors
In the 12 months ending Oct 5, 2026, the Department of State obligated $508.2M in net prime contract dollars under NAICS 237110, up 2072.7% from $23.4M in the preceding 12 months. 21 prime contractors received positive obligations, and 1 of them accounted for 80% of that spend.
Prime contracts funded by the Department of State. 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 State Department contractors for NAICS 237110
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 | PCL Construction Inc | $492.3M | $17.6M | 96.9% | — |
| 2 | Gereltjin LLC | $5.9M | $0 | 1.1% | New |
| 3 | Fluid Solutions LLC | $4.6M | $1.3M | 0.9% | — |
| 4 | Trojan Technologies Corp | $1.4M | $0 | 0.3% | New |
| 5 | Green Tech-Accu JV LLC | $1.4M | $3.5M | 0.3% | ▼ 3 |
| 6 | Alliance Trading PLC | $986K | $0 | 0.2% | New |
| 7 | Wayss & Freytag Ingenieurbau AG | $837K | $0 | 0.2% | New |
| 8 | Miscellaneous Foreign Awardees | $322K | $499K | 0.1% | ▼ 4 |
| 9 | Prime Projects International (Construction ) Limited | $80K | $0 | 0.0% | New |
| 10 | Epik-Aquashine JV LLC | $71K | $120K | 0.0% | ▼ 4 |
| 11 | PH Water Technologies Limited | $56K | $55K | 0.0% | ▼ 2 |
| 12 | B. David Co Inc | $39K | $29K | 0.0% | — |
| 13 | Arabi Future Company Limited | $38K | $38K | 0.0% | ▼ 2 |
| 14 | Jet Inc | $37K | $0 | 0.0% | New |
| 15 | Carolina Water Specialties LLC | $36K | $22K | 0.0% | ▼ 1 |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- PCL Construction Inc$17.6M → $492.3M (+$474.7M) · now #1
- Gereltjin LLC$0 → $5.9M (+$5.9M) · now #2
- Fluid Solutions LLC$1.3M → $4.6M (+$3.3M) · now #3
Largest declines
- Green Tech-Accu JV LLC$3.5M → $1.4M (−$2.1M) · now #5
- Miscellaneous Foreign Awardees$499K → $322K (−$177K) · now #8
- Dani & Danny's Fabrication LLC$154K → $0 (−$154K) · no latest-period obligations
New to this market
7 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| Gereltjin LLC | Sep 29, 2026 | $5.9M |
| Trojan Technologies Corp | Sep 29, 2026 | $1.4M |
| Alliance Trading PLC | Feb 27, 2026 | $986K |
| Wayss & Freytag Ingenieurbau AG | Sep 28, 2026 | $837K |
| Impresa Lumaca S.R.L. | Sep 9, 2026 | $24K |
| Pollution Control Systems, Inc. | Jul 16, 2026 | $19K |
| Aqua Technologies, Inc. | Mar 30, 2026 | $19K |
Where the money comes from
Funding sub-agencies within the Department of State, 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 |
|---|---|---|---|
| International Boundary and Water Commission: U.S.-Mexico | $493.8M | $17.8M | Up $476.0M (2679.5%) |
| Department of State | $14.5M | $5.6M | Up $8.8M (157.2%) |
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 |
|---|---|---|---|
| 19GE5025F0508 | Green Tech-Accu JV LLC WASTEWATER TREATMENT SYSTEM REPLACEMENT, U.S. EMBASSY DHAKA, BANGLADESH. | $1.9M | Nov 4, 2026 |
| 19GE5024F0211 | Fluid Solutions LLC DESIGN/BUILD CONSTRUCTION SERVICES - POTABLE WATER TREATMENT SYSTEM UPGRADES, U.S. EMBASSY ANTANANARIVO, MADAGASCAR | $1.1M | Nov 30, 2026 |
| 19GE5025F0330 | Green Tech-Accu JV LLC WASTEWATER TREATMENT SYSTEM UPGRADES PROJECT, U.S. EMBASSY SIERRA LEONE, FREETOWN | $1.6M | Jan 4, 2027 |
| 191BWC26C0089 | Trojan Technologies Corp COMMENTS: IT REQUEST STATUS: FALSE | $1.4M | Jan 28, 2027 |
| 19GE5026F0428 | Green Tech-Accu JV LLC POTABLE WATER TREATMENT PLANT PROJECT, U.S. EMBASSY ABIDJAN, COTE D'IVOIRE | $1.4M | Jul 17, 2027 |
| 19GE5025F0348 | Fluid Solutions LLC TASK ORDER AWARD - POTABLE WATER TREATMENT SYSTEM UPGRADES, U.S. EMBASSY TASHKENT, UZBEKISTAN. | $1.2M | Aug 25, 2027 |
| 19GE5026F0500 | Fluid Solutions LLC POTABLE WATER TREATMENT SYSTEM UPGRADE, U.S. EMBASSY BAMAKO, MALI | $1.7M | Aug 26, 2027 |
| 19GE5026F0455 | Fluid Solutions LLC POTABLE WATER TREATMENT SYSTEM UPGRADE PROJECT, U.S. EMBASSY CARACAS, VENEZUELA | $2.4M | Sep 12, 2027 |
| 19AQMM26C1284 | Gereltjin LLC SITE UTILITIES PROJECT, ULAANBAATAR, MONGOLIA. | $5.9M | Nov 22, 2027 |
Common questions
Who are the top State Department contractors for NAICS 237110?
In the latest 12 months, PCL Construction Inc ($492.3M), Gereltjin LLC ($5.9M), Fluid Solutions LLC ($4.6M) received the most State Department obligations for water and sewer line and related structures construction.
How concentrated is this market?
The eight largest primes held 99.9% of positive obligations, and PCL Construction Inc alone held 96.9%. 7 contractors won their first obligations in this market during the latest 12 months.
Are any large State Department NAICS 237110 contracts ending soon?
9 of the largest awards in this market reach their current end date in the next 18 months. The first is 19GE5025F0508 (Green Tech-Accu JV LLC, $1.9M obligated), ending Nov 4, 2026. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
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$6.6MFigures 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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