Top DOT other support activities for water transportation contractors
In the 12 months ending Oct 5, 2026, the Department of Transportation obligated $73.8M in net prime contract dollars under NAICS 488390, down 0.8% from $74.4M in the preceding 12 months. 14 prime contractors received positive obligations, and 7 of them accounted for 80% of that spend.
Prime contracts funded by the Department of Transportation. 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 DOT contractors for NAICS 488390
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 | Talton Marine Terminal, LLC | $17.7M | $15.5M | 23.9% | — |
| 2 | Pacific Layberthing South, LLC | $11.5M | $14.7M | 15.6% | — |
| 3 | Dhnc Inc. | $7.1M | $0 | 9.6% | New |
| 4 | California Sealift Terminals, Inc | $6.9M | $4.2M | 9.3% | ▲ 3 |
| 5 | Dixie Marine Inc | $6.6M | $3.1M | 8.9% | ▲ 5 |
| 6 | Port of Vancouver | $6.0M | $0 | 8.1% | New |
| 7 | Maryland Maritime, Inc. | $5.3M | $7.1M | 7.1% | ▼ 3 |
| 8 | Metro Machine Corp. | $2.7M | $3.8M | 3.6% | — |
| 9 | Rhoads Industries, Inc. | $2.5M | $4.8M | 3.4% | ▼ 3 |
| 10 | Pasha Hawaii Holdings LLC | $2.5M | $5.1M | 3.3% | ▼ 5 |
| 11 | Gulf Layberthing, LLC | $2.0M | $3.3M | 2.7% | ▼ 2 |
| 12 | Vigor Marine LLC | $1.5M | $1.6M | 2.1% | ▼ 1 |
| 13 | Eastex Berthing Inc | $1.0M | $9.9M | 1.4% | ▼ 10 |
| 14 | GRP Silo LLC | $612K | $448K | 0.8% | ▼ 1 |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- Dhnc Inc.$0 → $7.1M (+$7.1M) · now #3
- Port of Vancouver$0 → $6.0M (+$6.0M) · now #6
- Dixie Marine Inc$3.1M → $6.6M (+$3.5M) · now #5
Largest declines
- Eastex Berthing Inc$9.9M → $1.0M (−$8.8M) · now #13
- Pacific Layberthing South, LLC$14.7M → $11.5M (−$3.2M) · now #2
- Pasha Hawaii Holdings LLC$5.1M → $2.5M (−$2.7M) · now #10
New to this market
2 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| Dhnc Inc. | Aug 4, 2026 | $7.1M |
| Port of Vancouver | Sep 1, 2026 | $6.0M |
Where the money comes from
Funding sub-agencies within the Department of Transportation, 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 |
|---|---|---|---|
| Maritime Administration | $73.8M | $74.4M | Down $593K (0.8%) |
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 |
|---|---|---|---|
| 693JF722F00059N | Talton Marine Terminal, LLC FY22-1 VAM AWARD | $17.9M | Mar 14, 2027 |
| 693JF726F00039N | Dhnc Inc. LAYBERTH SERVICES FOR THREE CAPE H SHIPS CAPE HORN, CAPE HUDSON, AND CAPE HENRY AT SAN FRANCISCO, CALIFORNIA PIERS 50 AND 96. | $7.1M | Jul 15, 2027 |
| 693JF724F00111N | Pasha Hawaii Holdings LLC THE PURPOSE OF THIS TASK ORDER IS TO ADMINISTRATIVELY CHANGE THE VENDOR CODE TO S078310809 | $8.4M | Aug 7, 2027 |
| 693JF724F00080N | Pacific Layberthing South, LLC 3RD LMSR AT PORTLAND, OR, BERTH 204. CURRENTLY SUPPORTS FISHER. | $8.8M | Aug 14, 2027 |
| 693JF724F00158N | Gulf Layberthing, LLC OP1 CAPE ARUNDEL AND CAPE CORTES IN PASCAGOULA, MS | $5.8M | Aug 31, 2027 |
| 693JF724F00113N | Dixie Marine Inc OPT 6 FUNDING FOR LAYBERTHING OF TWO MARAD VESSELS, ALTAIR AND BELLATRIX | $9.8M | Sep 9, 2027 |
| 693JF722F00098N | Pacific Layberthing South, LLC PROVIDE RRF AND NAVY FUNDING FOR 10-YEAR USWC LMSR LAYBERTH CONTRACT FOR BOB HOPE, FISHER IN PORTLAND, OR. | $25.5M | Sep 14, 2027 |
| 693JF723F00011N | Pacific Layberthing South, LLC PROVIDE FUNDING FOR CONTRACT MOD TO REIMBURSE THE LAYBERTH OPERATOR FOR EXPENSES INCURRED TO RENT A MOBILE SHORE POWER GENERATOR TO PROVIDE POWER TO THE RRF VESSEL MOORED AT… | $9.9M | Sep 14, 2027 |
| 693JF722F00065N | Talton Marine Terminal, LLC FY22-2 VAM SERVICES | $12.9M | Sep 30, 2027 |
| 693JF725F00082N | Maryland Maritime, Inc. ANT-DEN- LMSR LAYBERTH AND SERVICES IN BALTIMORE, MD PIER 8 | $7.4M | Sep 30, 2027 |
Common questions
Who are the top DOT contractors for NAICS 488390?
In the latest 12 months, Talton Marine Terminal, LLC ($17.7M), Pacific Layberthing South, LLC ($11.5M), Dhnc Inc. ($7.1M) received the most DOT obligations for other support activities for water transportation.
How concentrated is this market?
The eight largest primes held 86.2% of positive obligations, and Talton Marine Terminal, LLC alone held 23.9%. 2 contractors won their first obligations in this market during the latest 12 months.
Are any large DOT NAICS 488390 contracts ending soon?
10 of the largest awards in this market reach their current end date in the next 18 months. The first is 693JF722F00059N (Talton Marine Terminal, LLC, $17.9M obligated), ending Mar 14, 2027. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
Related markets
NAICS 488390 across all agencies
DoD · NAICS 488390
$71.3MFigures 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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