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.
YULISTA SUPPORT SERVICES LLC
SEAFIGHTER VESSEL OPPERATIONS, MAINTENANCE AND OVERHAUL
KIRA CONSTRUCTION MANAGEMENT LLC
NSGB PORT OPS SERVICES & MAINTENANCE
METSON MARINE SERVICES, INC
THE SERVICES TO BE FURNISHED UNDER THIS CONTRACT INCLUDE OPERATION OF VARIOUS WATERCRAFT AND BOATS, RELATED MAINTENANCE SERVICES, PORT OPERATIONS, AND WATERFRONT ADMINISTRATION IN SUPPORT OF PORT OPERATIONS, COMMANDER NAVY REGION SOUTHEAST.
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES FOR USS GERALD R FORD PVST 54021
INCHCAPE SHIPPING SERVICES DUBAI LLC
HSP SERVICES IN SUPPORT OF USS UNIT PV 49912 IN SOUDA BAY GREECE.
BLACK BULL GROUP INC.
HUSBANDING SERVICES IN SUPPORT OF THE USS FORD IN PALMA, SPAIN PORT VISIT 50650
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HOMEPORT PIER SERVICES AT NSA BAHRAIN FOR 6 FRCS FROM 01JUL25-30SEP25
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
IN SUPPORT OF PVST 51781 USS GERALD R FORD @ SPLIT, CROATIA
WAYPOINT LLC
HUSBANDING SERVICES FOR USS IWO JIMA PVST 52580
DOWNIE JONES SHIP STORES LIMITED
HUSBANDING SERVICES FOR JLC CIVMAR PVST TO APIA, SAMOA (21OCT-02NOV25)
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
TRANSPORTATION FUNDED SERVICES
MLS-MULTINATIONAL LOGISTIC SERVICES LIMITED
HSP SERVICE IN SUPPORT OF USS MOUNT WHITNEY PORT VISIT TO GAETA, ITALY
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES FOR USS SAN ANTONIO PVST 52680
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
PORT SERVICES IN NSA BAHRAIN FOR SIX USCG CUTTERS IN OCT - NOV 2025.
MLSUSA CORP
HUSBANDING SERVICES FOR USS LAKE ERIE PVST 53240
INCHCAPE SHIPPING SERVICES DUBAI LLC
HSP SERVICES IN SUPPORT OF USS UNIT PORT VISIT TO SOUDA BAY, GREECE - TRF.
GLOBAL MARITIME LOGISTICS SUPPORT, INC.
TO SUPPORT PORT VISIT FOR USNS JOHN ERICSSON DURING THE PERIOD OF 3/19/2025 TO 5/1/2025 AT SUBIC BAY, PHILIPPINES
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
USS JOHN L CANELY CIVMAR PORT VISIT PORT BOTANY, AUSTRALIA (24JUL-22AUG25)
DOWNIE JONES SHIP STORES LIMITED
HUSBANDING SERVICES FOR JLC CIVMAR PVST TO LUGANVILLE, VANUATU, 07-16NOV25.
BLACK BULL GROUP INC.
HUSBANDING SERVICES FOR USS FORT LAUDERDALE PVST 53700
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
USS TRIPOLI PORT VISIT TO DA NANG, VIETNAM FROM 07 TO 10 DECEMBER 2025.
WAYPOINT LLC
UTILITIES FUNDED SERVICES
OPS CORPORATION
USS GEORGE WASHINGTON PORT VISIT TO BUSAN KOREA WITH PVST NUMBER 52382
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES FOR USS WICHITA PVST 54120
DAEKEE GLOBAL CO.,LTD
HUSBANDING SERVICES FOR USS FITZGERALD (DDG-62) PORT VISIT TO MAIZURU, JAPAN (02-15DEC2025).