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.
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES IN SUPPORT OF USS MOUNT WHITNEY IN GAETA, ITALY PORT VISIT 52022
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES FOR USS SAN ANTONIO PVST 53960
WAYPOINT LLC
UTILITIES FUNDED SERVICES
OPS CORPORATION
HUSBANDING SERVICES FOR USNS SACAGAWEA (T-AKE-2) PORT VISIT TO SASEBO (ANCHORAGE), JAPAN, 16-29APR25.
MLSUSA CORP
HUSBANDING SUPPORT SERVICES
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
PORT SERVICES IN NSA BAHRAIN FOR SIX USCG CUTTERS IN JANUAR 2026.
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
PORT SERVICES IN NSA BAHRAIN FOR SIX USCG CUTTERS IN DECEMBER 2025.
WAYPOINT LLC
HUSBANDING SERVICES FOR USS ST LOUIS PVST 52023
DOWNIE JONES SHIP STORES LIMITED
USS JOHN L CANLEY CIVMAR PORT VISIT TO KOROR PALAU PVST 50648 HUSBANDING SERVICES.
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
PORT VISIT ID: 50802 (USS ST LOUIS, PROGRESO, MEXICO) POP 05 -07 OCT 2025.
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES IN SUPPORT OF USS UNIT IN GROTSUND, NORWAY PORT VISIT 52321
BLACK BULL GROUP INC.
HUSBANDING SERVICES FOR USS STOCKDALE PVST 53580
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES FOR USS PIERRE PVST 52600
WAYPOINT LLC
HUSBANDING SERVICES FOR USS JASON DUNHAM PVST 52142
WAYPOINT LLC
HSP SERVICES IN SUPPORT OF USS MAHAN PORT VISIT TO WILHELMSHAVEN, GERMANY.
AMBYTH SHIPPING MICRONESIA, INC.
HUSBANDING SERVICES FOR GWA PVST TO PITI, GUAM, 01-04DEC25
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
TRANSIT OF USS FORREST SHERMAN TRANSIT AT SUEZ CANAL
DOWNIE JONES SHIP STORES LIMITED
HUSBANDING SERVICES FOR JLC MILCREW PVST TO APIA, SAMOA (21OCT-02NOV25)
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES IN SUPPORT OF THE USS UNIT IN GROTSUND, NORWAY PVST 52243
VECTRUS SYSTEMS LLC
OILY WASTE OFFLOAD OF MT CENTURIES AND OTHER SERVICES
MLS-MULTINATIONAL LOGISTIC SERVICES LIMITED
HUSBANDING SERVICES FOR SUEZ CANAL TRANSIT OF USS ROOSEVELT.
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
USS PREBLE @ MALAYSIA, KUALA LANGAT (10/25/2025 - 10/28/2025)
MLS-MULTINATIONAL LOGISTIC SERVICES LIMITED
USS TULSA @ BAHRAIN, MINA SALMAN (09/12/2025 - 09/16/2025)
MILITARY SERVICES AUSTRALIA PTY. LTD.
USS UNIT PORT VISIT TO STERLING, AUSTRALIA FROM29 OCT TO 26 NOV 25.