Engineering design services in the fields of plumbing, mechanical systems, and fire sprinkler systems; engineering design services, namely, preparation of forensics reports in the field of plumbing, mechanical systems, and fire sprinkler systems involving the inspection of buildings for repair

plumbing services; renovation and construction services in the field of plumbing; cleaning, repair and replacement services for sewers, drains, pipes and other plumbing fixtures

Water treatment services, namely, providing a custom water additive to pipe systems in residential and commercial buildings designed to reduce the corrosive properties of water within building pipes