Class 037
Construction and Repair Services
Cleaning, maintenance and repair services; maintenance of industrial equipment, including, tank, vessel, piping, and reactor decontamination and cleaning services
Class 040
Treatment & Processing of Materials Services
Treatment of materials, including treatment of sulfides, hydrocarbons, pyrophorics, and benzene; decontamination and cleaning of industrial equipment, including decontamination and cleaning of tanks, vessels, piping, and reactors; consultancy regarding cleaning and decontamination of industrial equipment, tanks, vessels, piping, and reactors
