Flexible and rigid pipes, not of metal; composite non-metal pipe collars; composite non-metal pipe couplings and joints; composite non-metal seals for joining and terminating pipes; composite non-metal tubing and tubing couplings for joining and terminating pipes; pipe gaskets; pipe jackets, not of metal for composite non-metal pipes; extruded plastic in the form of tubes for use in manufacturing; plastic tubes for chemical and industrial applications; plumbing pipes of plastic; flexible pipes, pipe couplings, pipe parts, namely, gaskets and collars; pipe systems comprised of composite non-metal pipes for conveying fluids and gas; and spools for composite non-metal pipes for civil water and sewer use, oil and gas conveyance, and other chemical and industrial applications; fiberglass, composite, and rubber tubes, plastic in the form of tubes; tube-fittings; tube systems comprised of composite non-metal tubes for conveying fluids and gas; all of the aforementioned made of fiberglass, plastic, polyvinylchloride (pvc), and polyethylene, and used for civil water and sewer use, oil and gas conveyance, and other chemical and industrial applications

RIGID PIPES NOT OF METAL; NON-METALLIC RIGID PIPES MADE OF CONCRETE

CUSTOM MANUFACTURE OF PIPES, PIPE-FITTINGS, PIPE COUPLINGS, PIPE PARTS, PIPE SYSTEMS, AND SPOOLS FOR PIPES MADE OF FIBERGLASS, PLASTIC, POLYVINYLCHLORIDE (PVC), POLYETHYLENE, AND CONCRETE TO THE ORDER AND SPECIFICATION OF OTHERS; CUSTOM MANUFACTURE OF TANKS, TANK-FITTINGS, AND TANK SYSTEMS MADE OF FIBERGLASS,PLASTIC, PVC, POLYETHYLENE, AND CONCRETE TO THE ORDER AND SPECIFICATION OF OTHERS; CUSTOM MANUFACTURE OF TUBES, TUBE-FITTINGS, AND TUBE SYSTEMS MADE OF FIBERGLASS, PLASTIC, PVC, POLYETHYLENE, AND CONCRETE TO THE ORDER AND SPECIFICATION OF OTHERS; CUSTOM MANUFACTURE OF NON-METALLIC GOODS, NAMELY PIPES, TANKS, TUBES, FITTINGS, COUPLINGS, PIPE PARTS, PIPE SYSTEMS, AND SPOOLS FOR PIPES MADE OF FIBERGLASS, PLASTIC, PVC, POLYETHYLENE, AND CONCRETE TO THE ORDER AND SPECIFICATION OF OTHERS; CUSTOM MANUFACTURE OF NON-METALLIC-REINFORCED GOODS, NAMELY PIPES, TANKS, TUBES, FITTINGS, COUPLINGS, PIPE PARTS, PIPE SYSTEMS, AND SPOOLS FOR PIPES MADE OF FIBERGLASS, PLASTIC, PVC, POLYETHYLENE, AND CONCRETE TO THE ORDER AND SPECIFICATION OF OTHERS USED FOR INDUSTRIAL APPLICATIONS

DESIGN FOR OTHERS PIPES, PIPE-FITTINGS, PIPE COUPLINGS, PIPE PARTS, PIPE SYSTEMS, AND SPOOLS FOR PIPES MADE OF FIBERGLASS, PLASTIC, POLYVINYLCHLORIDE (PVC), POLYETHYLENE, AND CONCRETE; DESIGN FOR OTHERS TANKS, TANK-FITTINGS, AND TANK SYSTEMS MADE OF FIBERGLASS, PLASTIC, PVC, POLYETHYLENE, AND CONCRETE; DESIGN FOR OTHERS TUBES, TUBE-FITTINGS, AND TUBE SYSTEMS MADE OF FIBERGLASS, PLASTIC, PVC,POLYETHYLENE, AND CONCRETE; DESIGN FOR OTHERS NON-METALLIC GOODS, NAMELY PIPES, TANKS, TUBES, FITTINGS, COUPLINGS, PIPE PARTS, PIPE SYSTEMS, AND SPOOLS FOR PIPES MADE OF FIBERGLASS, PLASTIC, PVC, POLYETHYLENE, AND CONCRETE; DESIGN FOR OTHERS NON-METALLIC-REINFORCED GOODS, NAMELY PIPES, TANKS; TUBES, FITTINGS, COUPLINGS, PIPE PARTS, PIPE SYSTEMS, AND SPOOLS FOR PIPES MADE OF FIBERGLASS, PLASTIC, PVC, POLYETHYLENE, AND CONCRETE USED FOR INDUSTRIAL APPLICATIONS