NAICS 488310 — PORT AND HARBOR OPERATIONS
Federal contract awards classified under NAICS code 488310 (PORT AND HARBOR OPERATIONS) cover 364 unique federal contracts (407 total action records) from USASpending.gov. The top contractors, awarding agencies, and geographic concentration below are aggregated from the highest-value awards in this market — the right view for sizing competition and identifying incumbents.
Top Contractors in NAICS 488310
Largest recipients of federal contract dollars in this NAICS code (ranked by total obligated value). These are the incumbent competitors to know if you sell into this market.
| Contractor | Awards | Total Obligated |
|---|---|---|
| YULISTA SUPPORT SERVICES LLC | 1 | $36.6M |
| S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD. | 157 | $32.4M |
| KIRA CONSTRUCTION MANAGEMENT LLC | 1 | $21.8M |
| METSON MARINE SERVICES, INC | 1 | $16.2M |
| WAYPOINT LLC | 25 | $6.1M |
| INCHCAPE SHIPPING SERVICES DUBAI LLC | 22 | $5.6M |
| BLACK BULL GROUP INC. | 8 | $4.1M |
| DOWNIE JONES SHIP STORES LIMITED | 15 | $4.0M |
| MLS-MULTINATIONAL LOGISTIC SERVICES LIMITED | 16 | $3.2M |
| OPS CORPORATION | 11 | $2.1M |
Top Awarding Agencies
Federal agencies that obligate the most spending in NAICS 488310. Click any agency to see its full contract portfolio, top contractors, and sub-agencies.
| Agency | Awards | Total Obligated |
|---|---|---|
| Department of Defense | 270 | $133.9M |
| Department of Homeland Security | 75 | $7.1M |
| Department of Commerce | 17 | $692,265.23 |
| Department of the Interior | 1 | $236,106 |
| Department of State | 1 |
Geographic Concentration
States where NAICS 488310 contract work is performed, ranked by total obligated value. Useful for sizing the local market and identifying state-level competitors.
| State | Awards | Total Obligated |
|---|---|---|
| AL | 1 | $36.6M |
| FL | 15 | $18.4M |
| VI | 10 | $13.5M |
| PA | 5 | $3.1M |
| PR | 22 | $3.0M |
| PW | 6 | $1.2M |
| GU | 6 | $901,104.9 |
| AK | 9 | $388,634.94 |
| TX | 2 | $335,175.35 |
| MI | 1 | $236,106 |
Most Recent Awards
PEARL BEACH CONSTRUCTION COMPANY
NOGRN, TOWING SERVICE - BASE PLUS THREE (3) OPTION YEARS.
MLSUSA CORP
USCGC STRATTON PORT SERVICES IN ST. THOMAS USVI.
TITANIUM LOGISTIC SERVICES, LLC
PROVIDE PORT AND HARBOR SUPPORT FOR THE NOAA SHIP GORDON GUNTER 4/12/26-5/11/26. TWO PORT CALLS
INCHCAPE SHIPPING SERVICES DUBAI LLC
CGC FEDERICK HATCH - PORT OF SAIPAN - JANUARY 12-14, 2026
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
THIS IS A FIRM FIXED PRICE TASK ORDER IS FOR PORT SERVICES PROVIDED TO CGC FLORENCE FINCH DURING THEIR PORT VISIT TO ENSENADA, MEXICO ON FEBRUARY 19-21, 2026.
All Unique Contracts in NAICS 488310
Showing 364 unique contracts (one entry per PIID, deduped from modifications) sorted by total dollars obligated.
BEN LINE AGENCIES (SINGAPORE) PTE LTD
USS CINCINNATI PORT VIST AT LUMUT, MALAYSIA 02-05 DEC 2025. HUSBANDING SERVICES.
AMBYTH SHIPPING MICRONESIA, INC.
HUSBANDING SERVICES FOR DWY PVST TO PITI, GUAM, 01-04DEC25
AMBYTH SHIPPING MICRONESIA, INC.
HUSBANDING SERVICES FOR MIL PVST TO PITI, GUAM, 01-04DEC25
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES IN SUPPORT OF USS ROOSEVELT IN SOUDA BAY, GREECE PORT VISIT 53841
DAEKEE GLOBAL CO.,LTD
USS HIGGINS PORT VISIT TO YOKOSUKA
NORTON LILLY INTERNATIONAL, INC
HUSBANDING SERVICES FOR USNS JOHN ERICSSON PVST 54086
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES FOR TIP PVST TO SASEBO, JAPAN, 08-12OCT25.
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES FOR USNS RICHARD E BYRD PVST 51401 YOKOSUKA JAPAN 28 -31 OCT 2025
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
CHARTER AND HIRE FUNDED SERVICES
MLS-MULTINATIONAL LOGISTIC SERVICES LIMITED
HUSBANDING SERVICES FOR PORT VISIT OF USS TULSA AT UMM AL HOUL PORT, QATAR.
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
PIER SERVICES CGC ROBERT GOLDMAN MUSCAT, OMAN 07FEB26-09FEB26
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES FOR PORT VISIT OF USS ROOSEVELT AT SALALAH PORT.
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
USNS AMELIA EARHART, SEMBAWANG, SINGAPORE (08/29/2025 - 08/30/2025)
DAEKEE GLOBAL CO.,LTD
HUSBANDING SERVICE FOR THE USS TRIPOLI (LHA-7) PORT VISIT TO WHITE BEACH, JAPAN (30 NOV 2025 - 01 DEC 2025)
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES FOR THE USNS YUKON TO MAN OF WAR, SINGAPORE 06-10 OCTOBER 2025
BLACK BULL GROUP INC.
HUSBANDING SERVICES IN SUPPORT OF USS ROOSEVELT IN TOULON, FRANCE FOR PORT VISIT 52322
INCHCAPE SHIPPING SERVICES DUBAI LLC
HUSBANDING SERVICES FOR USS WICHITA PVST 53924
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
USS TULSA @ UNITED ARAB EMIRATES, JEBEL ALI (11/07/2025 - 11/11/2025)
MLSUSA CORP
USCGC STRATTON PORT SERVICES IN ST. THOMAS USVI.
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES FOR USS CANBERRA @ BAHRAIN, NSA BAHRAIN QUAY WALL (11/07/2025 - 11/10/2025) PVID 52900
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
THIS IS A FIRM FIXED TASK ORDER IS FOR PORT SERVICES PROVIDED TO CGC ACTIVE DURING THEIR PORT VISIT TO AMADOR PANAMA ON NOV. 21-24, 2025
TRIDENT DREDGING AND MARINE CONSTRUCTION, LLC
MOREHEAD CITY NC MOORAGE NOAA SHIP PISCES
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDRY SERVICES FOR LSV-4 AND LSV-8 JAPAN.
GLOBAL MARITIME LOGISTICS SUPPORT, INC.
HUSBANDING SERVICES FOR USS PIONEER AT SUBIC BAY, PHILIPPINES 20-24 NOV 2025
GLOBAL MARITIME LOGISTICS SUPPORT, INC.
HUSBANDING SERVICES SUPPORTING USS FRANK CABLE @ PHILIPPINES, SUBIC BAY (09/21/2025 - 09/28/2025).