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Found 3 results for "sewage treatment"
Sewage Treatment Facilities
NAICS code 221320 covers establishments primarily engaged in operating sewer systems and sewage treatment facilities that collect, treat, and dispose...
Water and Sewer Line and Related Structures Construction
NAICS code 237110 covers establishments primarily engaged in the construction of water and sewer infrastructure, including water and sewer lines, main...
Other Nonhazardous Waste Treatment and Disposal
NAICS code 562219 covers establishments primarily engaged in the treatment and disposal of nonhazardous waste through methods other than landfills, co...