On behalf of the San Diego Unified Port District (District), Aspen prepared an Initial Study (IS) and Environmental Impact Report (EIR) for the proposed Mitsubishi Cement Corporation at Warehouse C: Bulk Cement Warehouse and Loading Facility Project (Project). 

Aspen prepared an EIR on behalf of the Port of Long Beach (POLB). Southern California Edison (SCE) proposes to replace a series of transmission towers that cross the Cerritos Channel within the POLB and replace them with taller towers to provide sufficient vertical clearance for safe navigation of larger ships.

Ribost Terminal LLC, DBA World Oil Terminals (World Oil) proposes to construct and operate two new 25,000-barrel internal floating roof petroleum storage tanks within the existing World Oil Terminal within the Northeast Harbor Planning District (District 2) at the Port of Long Beach.

In 2019, Aspen was awarded a three-year $3.0 million on-call contract by the City of Los Angeles, acting by and through its Board of Harbor Commissioners to provide as-needed environmental documentation and special environmental services for projects associated with the Port of Los Angeles (POLA).