M DAVIDSON & ASSOCIATES INC

Water Supply and Irrigation Systems

Establishments in this category are primarly engaged in operating water treatment plants and/or operating water supply systems. The water supply system may include pumping stations, aqueducts, and/or distribution mains. The water may be used for drinking, irrigation, or other uses.

Sewage Treatment Facilities

Establishments in this category are primarly engaged in operating sewer systems or sewage treatment facilities that collect, treat, and dispose of waste.