Pipeline maintenance; Pipeline maintenance services; Repairing of pipes; repairing corrosive or leaking pipes; repair of pipelines; Maintenance and repair of water, gas or oil pipelines supplying residential, commercial, industrial and governmental buildings and facilities; Pipeline integrity services, namely, pipeline maintenance services related to maintaining the integrity of a pipeline using piggable pipeline tools

Adhesive sealants for pipes

Chemical preparations for sealing pipes and pipelines; adhesives for sealing pipes; Chemical preparations for pipeline repair and maintenance, for water, oil or gas pipelines; Adhesive chemicals for improving the performance and duration of chemical products for use in industry; Chemical additives for use as binding agents in fillers; Pipeline maintenance; Pipeline maintenance services; Repairing of pipes; repairing corrosive or leaking pipes; repair of pipelines; Maintenance and repair of wa...