Bio-hazard biological clean-up services; Cleaning of building exterior surfaces; Cleaning of buildings; Cleaning of external surfaces of buildings; Cleaning of grease traps; Cleaning of illegal clandestine drug lab sites; Cleaning of industrial premises; Cleaning of residential houses; Cleaning of wells; Consulting services for the construction of water treatment and purification plants, solid waste treatment plants and other municipal infrastructure facilities; Drain and sewer cleaning and rootering services; Drain cleaning services; Drilling and pumping of oil; Environmental remediation services, namely, waste disposal; Hazardous waste disposal services; Installing septic fields; Installing septic tanks; Maintaining septic systems; Medical waste disposal; Medical waste, blood and bodily fluid cleaning and disposal services; Medical waste, blood and bodily fluid disinfection services; Oil and gas industrial machine cleaning services; Oil pumping and extraction; On-site servicing of portable toilets in the nature of sewage removal; Pet waste removal services; Physical clean-up of exploration and drilling project locations to restore them to their original condition; Pump repair; Pump repair and maintenance; Pump repair or maintenance; Pump repairing; Pumping crude oil; Pumping septic tanks; Real estate property cleaning, repair and maintenance services; Repair and maintenance of feed or booster pumps; repair or maintenance of storage tanks; Septic tank cleaning; Septic tank pumping and cleaning; Solid waste landfill services; Storage tank cleaning; Trash collection; Waste disposal for others; Waste oil collection for recycling