Port Bienville handles a variety of commodities including twine, pulpwood, coal, general cargo, ferric sulfate, pressure vessels (reactors), lumber, structured steel, USDA food products, and explosives.

Major tenants present at the port include:

Calgon Carbon Corporation
Producer of activated carbon

South Coast Electric
Maker of power generator systems

General Electric Plastics Company
Producer of plastic resin

Manufab, Inc.
Fabrication plant

Gulf Concrete

Hancock Industries
Packager of dry goods

Solvay
High tech polymers

Wellman of Mississippi, Inc.
Manufacturer of plastics

PolyChemie
Producer of liquid polymers

Professional Construction Service
Steel fabricator and stevedore

Stevedoring Services of America

Paradise Bay Properties

A & R Trucking