Top DoD port and harbor operations contractors
In the 12 months ending Oct 5, 2026, the Department of Defense obligated $258.5M in net prime contract dollars under NAICS 488310, down 13.3% from $298.1M in the preceding 12 months. 51 prime contractors received positive obligations, and 8 of them accounted for 80% of that spend.
Prime contracts funded by the Department of Defense. Latest 12 months: Oct 6, 2025 to Oct 5, 2026. Source: USAspending.gov.
DoD publishes contract data to USAspending with a 90-day delay, so the most recent months understate DoD activity.
Obligations by fiscal year
Net prime contract obligations by federal fiscal year (October to September).
Top DoD contractors for NAICS 488310
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 | S.C.A. - Shipping Consultants Associated Ltd. | $98.6M | $110.9M | 38.1% | — |
| 2 | Waypoint LLC | $53.0M | $35.3M | 20.5% | — |
| 3 | Inchcape Shipping Services Dubai LLC | $11.5M | $23.7M | 4.5% | — |
| 4 | Mlsusa Corp | $10.8M | $3.3M | 4.2% | ▲ 15 |
| 5 | Oceanetics Inc | $10.3M | $3.3M | 4.0% | ▲ 13 |
| 6 | Black Bull Group Inc. | $8.7M | $4.4M | 3.4% | ▲ 7 |
| 7 | Metson Marine Services, Inc | $8.4M | $8.5M | 3.3% | — |
| 8 | MLS-Multinational Logistic Services Limited | $6.6M | $8.1M | 2.5% | — |
| 9 | Gelasakis Societe Anonyme | $6.5M | $1.5M | 2.5% | ▲ 17 |
| 10 | Parsh Marine (S) PTE. Ltd. | $4.7M | $8.6M | 1.8% | ▼ 4 |
| 11 | Kira Construction Management LLC | $4.5M | $7.1M | 1.8% | ▼ 2 |
| 12 | Yulista Support Services LLC | $4.4M | $6.7M | 1.7% | ▼ 2 |
| 13 | BEN Line Agencies (Singapore) PTE Ltd | $4.3M | $2.8M | 1.7% | ▲ 8 |
| 14 | Daekee Global Co.,ltd | $3.1M | $5.5M | 1.2% | ▼ 2 |
| 15 | Ambyth Shipping Micronesia, Inc. | $3.0M | $3.5M | 1.2% | ▲ 2 |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- Waypoint LLC$35.3M → $53.0M (+$17.7M) · now #2
- Mlsusa Corp$3.3M → $10.8M (+$7.5M) · now #4
- Oceanetics Inc$3.3M → $10.3M (+$6.9M) · now #5
Largest declines
- Global Defense Logistics S.R.L.$14.4M → $0 (−$14.4M) · no latest-period obligations
- S.C.A. - Shipping Consultants Associated Ltd.$110.9M → $98.6M (−$12.3M) · now #1
- Inchcape Shipping Services Dubai LLC$23.7M → $11.5M (−$12.2M) · now #3
New to this market
10 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| Relyant Global Philippines, Inc. | Dec 8, 2025 | $165K |
| Dauterive Contractors, Inc | Dec 16, 2025 | $124K |
| Port of Astoria | Mar 18, 2026 | $80K |
| Port of Longview | Mar 24, 2026 | $67K |
| Portside Marine & Towing, Inc. | Mar 20, 2026 | $44K |
| Cabras Marine Corporation | Mar 27, 2026 | $37K |
| Schneider Dock Industrial Park LLC | May 21, 2026 | $9K |
| Living Classrooms Foundation, Inc. | Jun 25, 2026 | $7K |
Where the money comes from
Funding sub-agencies within the Department of Defense, 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 the Navy | $257.5M | $293.3M | Down $35.8M (12.2%) |
| Department of the Army | $790K | $4.8M | Down $4.0M (83.4%) |
| U.S. Special Operations Command | $165K | $27K | Up $138K (504.4%) |
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 |
|---|---|---|---|
| N0060421C4002 | Bowhead Marine Support Services, LLC TORPEDO WEAPONS RETRIEVER(TWR)OPERATIONS AND MAINTENANCE | $10.0M | Oct 31, 2026 |
| N6883622C0008 | Kira Construction Management LLC NSGB PORT OPS SERVICES & MAINTENANCE | $24.5M | Nov 30, 2026 |
| N0002426F4101 | Oceanetics Inc BARRIERS REFURBISHMENT MAINTENANCE | $1.3M | Jan 31, 2027 |
| N0002426F4110 | Oceanetics Inc BARRIERS PARTIAL REFURBISHMENT MAINTENANCE | $1.6M | Feb 25, 2027 |
| N0018922P0147 | Anchor Innovation, Inc. BASE YEAR: NNSY PORT SECURITY BARRIER | $1.4M | Feb 27, 2027 |
| N0018923C0016 | Anchor Innovation, Inc. PORT SECURITY BARRIERS SERVICES | $5.5M | Feb 27, 2027 |
| N6883623P0085 | Port Graham Government Solutions LLC WATERCRAFT OPERATIONS AND MAINTENANCE | $2.9M | Mar 31, 2027 |
| N0002426F4102 | Oceanetics Inc BARRIERS REFURBISHMENT MAINTENANCE | $3.4M | Apr 22, 2027 |
| N0002426F4107 | Oceanetics Inc REFURBISHMENT OF EXISTING PSB-T SYSTEM | $2.2M | Jun 17, 2027 |
Common questions
Who are the top DoD contractors for NAICS 488310?
In the latest 12 months, S.C.A. - Shipping Consultants Associated Ltd. ($98.6M), Waypoint LLC ($53.0M), Inchcape Shipping Services Dubai LLC ($11.5M) received the most DoD obligations for port and harbor operations.
How concentrated is this market?
The eight largest primes held 80.4% of positive obligations, and S.C.A. - Shipping Consultants Associated Ltd. alone held 38.1%. 10 contractors won their first obligations in this market during the latest 12 months.
Are any large DoD NAICS 488310 contracts ending soon?
9 of the largest awards in this market reach their current end date in the next 18 months. The first is N0060421C4002 (Bowhead Marine Support Services, LLC, $10.0M obligated), ending Oct 31, 2026. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
Related markets
NAICS 488310 across all agencies
DHS · NAICS 488310
$11.0MFigures 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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