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 IN SUPPORT OF USS WINSTON CHURCHIL IN SOUDA BAY, GREECE PORT VISIT 52245
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES FOR USS SAN ANTONIO PVST 53680
MLS-MULTINATIONAL LOGISTIC SERVICES LIMITED
USNS JOHN LEWIS, SEMBAWANG, 22 OCT 2025 TO 15 JAN 2026
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES PV52481 USS FORREST SHERMAN - JEDDAH 13-14 OCT
INCHCAPE SHIPPING SERVICES DUBAI LLC
USS UNIT IN SOUDA BAY, GREECE PORT VISIT 53320
MLS-MULTINATIONAL LOGISTIC SERVICES LIMITED
HUSBANDING SERVICES FOR USS CINCINNATI IN CHANGI NAVAL BASE SINGAPORE (3 NOV - 1 DEC 2025)
PARSH MARINE (S) PTE. LTD.
USNS TIPPECANOE, SUBIC, 22 AUG - 06 SEP 2025
WAYPOINT LLC
HUSBANDING SERVICES FOR USS BAINBRIDGE PVST 54740
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES FOR USNS JOSHUA HUMPHREYS PVST 52260
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
USS FORREST SHERMAN @ SAUDI ARABIA, JEDDAH (09/23/2025 - 10/02/2025)
DOWNIE JONES SHIP STORES LIMITED
HUSBANDING SERVICES FOR JLC MIL TO LUGANVILLE, VANUATU, 07-16NOV25
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES FOR USNS AMELIA EARHART (T-AKE-6) PORT VISIT TO SASEBO, JAPAN (02-06DEC2025).
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
PORT VISIT ID: 51920 (USS ST LOUIS, PROGRESO, MEXICO)
NORTON LILLY INTERNATIONAL, INC
HUSBANDING SERVICES FOR USNS PATUXENT PVST 54360
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES FOR USS ST LOUIS PVST 53020
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HSP SERVICES IN SUPPORT OF PVST 51161 USS BAINBRIDGE CIVITAVECCHIA, ITALY.
NATIONAL SHIPPING AGENCY S.A.
HSP SERVICES IN SUPPORT OF USNS SUPPLY IN SOUDA BAY, GREECE PORT VISIT 52802
OPS CORPORATION
HUSBANDING SERVICES FOR USNS TIPPECANOE (T-AO 199) PORT VISIT TO SASEBO, JAPAN, 26OCT-08NOV25.
WAYPOINT LLC
HSP SERVICE IN SUPPORT OF USS THOMAS HUDNER PORT VISIT TO CHERBOURG, FRANCE.
MLS-MULTINATIONAL LOGISTIC SERVICES LIMITED
USS SANTA BARBARA @ BAHRAIN, NSA BAHRAIN QUAY WALL (08/31/2025 - 10/01/2025)
PEARL BEACH CONSTRUCTION COMPANY
NOGRN, TOWING SERVICE - BASE PLUS THREE (3) OPTION YEARS.
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES IN PONTA DELGADA AZORES IN ACCORDANCE WITH MAYLASIA CASE MF-P-SAZ
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES FOR USNS HENRY J KAISER
DOWNIE JONES SHIP STORES LIMITED
HUSBANDING SERVICES FOR USS GRAVELY PVST 52760
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES FOR USNS CESAR CHAVEZ AT FUJAIRAH PORT, UNITED ARAB EMIRATES