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.
NORTON LILLY INTERNATIONAL, INC
HUSBANDING SERVICES FOR USNS JOHN ERICSSON PVST 54085
NORTON LILLY INTERNATIONAL, INC
HUSBANDING SERVICES FOR USS SAN ANTONIO PVST 51081
NATIONAL SHIPPING AGENCY S.A.
HUSBANDING SERVICES IN SUPPORT OF USS MOUNT WHITNEY IN SOUDA BAY, GREECE PORT VISIT 50965
PARSH MARINE (S) PTE. LTD.
SUPPORT USS CINCINNATI PORT VISIT AT PHILIPPINES, PUERTO PRINCESA (10/03/2025 - 10/10/2025)
DOWNIE JONES SHIP STORES LIMITED
USS JOHN L CANLEY MILCREW PORT VISIT TO KOROR PALAU PVST 50701
AMBYTH SHIPPING MICRONESIA, INC.
HUSBANDING SERVICES FOR USNS WASHINGTON CHAMBERS PORT VISIT TO PITI, GUAM (30NOV-08DEC2025)
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES FOR USS FORT LAUDERDALE PVST 53860
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES FOR HOMEPORTED SHIPS MSPS 01-30 NOVEMBER 2025
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES FOR USS GRAVELY PVST 54020
SEAWAY FILIPINAS LOGISTICS, INC.
USNS SALVOR PORT VISIT WITH ID 52242 TO KOROR PALAU HUSBANDING SERVICES
TOLL REMOTE LOGISTICS PTY LTD
USS WAR PVST TO OMINATO JAPAN HUSBANDING FUNDED SERVICES
OPS CORPORATION
USS BLR PVST TO BUSAN SOUTH KOREA (25-30SEP2025)
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
SEPTEMBER MSPS TASK ORDER 01-31 SEPTEMBER 2025
WAYPOINT LLC
HUSBANDING SERVICES FOR USNS PATUXENT PVST 53828
DOWNIE JONES SHIP STORES LIMITED
USS JOHN L CANLEY MSC FUNDED CIVMAR PORT VISIT TO KOROR PALAU PVST 52042
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES FOR USNS ROBERT E PEARY PVST 54100
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
PORT VISIT #53945 USS CANBERRA @ BAHRAIN, NSA BAHRAIN QUAY WALL (11/16/2025 - 12/20/2025)
NORTON LILLY INTERNATIONAL, INC
HUSBANDING SERVICES FOR USS MAHAN PVST 54200
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES FOR USS TULSA AT MINA SALMAN, BAHRAIN.
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES PROVIDED FOR USS SANTA BARBARA (LCS) PVST ON 11/22/25-11/24/2025
MLS-MULTINATIONAL LOGISTIC SERVICES LIMITED
USNS RAPPAHANNOCK @ SINGAPORE, SEMBCORP (11/01/2025 - 03/10/2026)
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
HUSBANDING SERVICES FOR USS ST LOUIS PVST 50620
MLS-MULTINATIONAL LOGISTIC SERVICES LIMITED
HUSBANDING SERVICES FOR USNS CARL BRASHEAR PVST IN SEMBCORP, SEMBAWANG.
WAYPOINT LLC
HUSBANDING SERVICES FOR THE USS WICHITA
S.C.A. - SHIPPING CONSULTANTS ASSOCIATED LTD.
USS SANTA BARBARA @ BAHRAIN, NSA BAHRAIN QUAY WALL (10/15/2025 - 10/21/2025)