Mississippi Marine Corporation

What they make

• full service shipyard
• lower Mississippi River
• off-shore vessel community
• five drydocks
• gas-freeing
• cleaning facility

NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026

Where it is

Other plants nearby

Every listed plant in Washington County

Also at this address

No other federal record shares this street address.

Where this record comes from

4 sources hold this plant, and 12 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

EPA cross-references this facility in AIR, AIRS/AFS, EIS, EPS, MS-ENSITE, NPDES, OSHA-OIS, RCRAINFO · EPA site type STATIONARY.

• The company’s own websiteOPERATING
  first seen JUL 2026 · last seen OCT 2026
• SAM.gov entity registrationOPERATING
  Record C7LTFQ2BSEN5 · first seen MAY 2026 · last seen MAY 2026
• OSHA injury and illness reportsOPERATING
  Record 390037 · first seen DEC 2025 · last seen DEC 2025
• EPA Facility Registry ServiceEXISTENCE
  Record 110001472521 · first seen JUN 2017 · last seen JUN 2017

ALSO RECORDED ASMISSISSIPPI MARINE CORPORATION, MAIN, CE; MISSISSIPPI MARINE CORPORATION, MAIN, CENTRAL, AND SOUTH YARDS

IN WASHINGTON COUNTY1 other plant shares this one’s industry (Ship and Boat Building, NAICS 3366); 1 of them has a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

NameSOURCES DISAGREE

EPA: MISSISSIPPI MARINE CORPORATION, MAIN, CE · JUL 2026

SAM.gov: MISSISSIPPI MARINE CORPORATION · MAY 2026 · ON THIS PAGE

Street addressSOURCES DISAGREE

EPA: 2219 HARBOR FRONT ROAD · JUL 2026

SAM.gov: 2219 HARBOR FRONT RD · MAY 2026 · ON THIS PAGE

City

EPA: GREENVILLE · JUL 2026 · ON THIS PAGE

SAM.gov: GREENVILLE · MAY 2026 · ON THIS PAGE

State

EPA: MS · JUL 2026 · ON THIS PAGE

SAM.gov: MS · MAY 2026 · ON THIS PAGE

County (FIPS code)

EPA: 28151 · SEP 2026

Coordinates

EPA: 33.526956,-91.107786 · JUL 2026

Employees (band)

OSHA: 20-99 · DEC 2025

Website

SAM.gov: www.msmarine.net · MAY 2026

Year established

MS SOS: 1972 · OCT 1972

CAGE code

SAM.gov: 1P380 · MAY 2026

SAM registration expires

SAM.gov: 2027-05-05 · MAY 2026

State business registration

MS SOS: MISSISSIPPI MARINE CORPORATION, registered with the Mississippi Secretary of State; Corporation; formed 1972-10-16; active · OCT 1972