The working waterfronts are included in the NAICS (2014) codes 488310 or “port and harbor operations”, 488320 or “marine cargo handling” and 488330 or “navigational services to shipping.”
The “port and harbor operations” industry comprises establishments primarily engaged in operating ports, harbors (including docking and pier facilities), or canals.
The “marine cargo handling” industry comprises establishments primarily engaged in providing stevedoring and other marine cargo handling services (except warehousing).
The “navigational services to shipping” industry comprises establishments primarily engaged in providing navigational services to shipping including marine salvage establishments.
The total employment impact is the sum of direct, indirect and induced impacts.
Indirect impacts result from changes in economic activity of other industrial sectors which supply goods or services to the sector being evaluated.
Induced impacts are the result of personal consumption expenditures by industry employees.
Direct Employment Impacts
Source: Posadas, Benedict C. Economic Sectors Targeted By The Mississippi-Alabama Sea Grant Research, Extension, Education And Outreach Programs. MASGP-14-007. Mississippi State University, Coastal Research and Extension Center, Biloxi, Mississippi.