The company is structured as follows:

Dredging - Operating hydraulic, hopper and clamshell dredges throughout the U.S. and Caribbean, the division has become an industry leader in beach nourishment, channel and berth deepening and maintenance, and sediment removal from lakes and reservoirs.

Construction - Specializes in marine related construction projects including piers, jetties, pipelines, bridges, outfalls, and offshore platforms as well as demolition. Projects have been completed throughout the U.S., Hawaii, and Central & South America. Project scopes range all the way to design, procure and build.

Stevedoring - Uniquely equipped to offer rapid and efficient bulk stevedoring services. Weeks is the largest bulk stevedore in the Port of New York/New Jersey and one of the largest on the U.S. East coast.

Marine Transportation - Specializes in multiple and difficult tows along with offering complete turn-key packages for marine transportation movements with over thirty tugboats of various sizes and hundreds of deck, hopper, and specialized barges in the fleet. Towing services are available on both the East and West coasts of the U.S. as well as Hawaii.

Heavy Lift & Salvage - Offers the spot market unique, waterborne lift services utilizing the extensive equipment inventory including floating cranes with lift capacities of up to 500 tons.

Equipment Charter/Rental - Floating equipment including barges, cranes and tugboats are available for rental or bareboat charter to outside parties at competitive rates.