Kerr Engineered Sales Company introduced products and services into the water and waste water industry over 50 years ago. Products and services include; hot tapping for branch connections, temporary line plugging products and services, pipeline cleaning Pigs, Pig-Launchers and traps, pipe rehabilitation and internal lining services.

T. D. Williamson, Inc. Hot Tapping Equipment SHORTSTOPP and STOPPLE Line Plugging Equipment SHORTSTOPP and STOPPLE Fittings Casing Seals and Insulators	TDW Freeze Services Pipe Freezing Services and Equipment	TDW Services, Inc. Hot Tapping Services 1/2” – 60” SHORTSTOPP and STOPPLE Line Plugging Services 1/2”-102”Welding Services Complete Turn Key-Projects RES-Q Composite Pipeline Repair Wrap Pipeline Repair Sleeves Pipeline Repair Clamps
T. D. Williamson Pipeline Integrity Products and Services Pipeline Pigs Pig Tracking Systems Clamp-Ring Pipeline Closures Complete Pig Launching/Receiving Systems Pig Signals Complete Pipeline Cleaning Services Hydrostatic Testing Kaliper Pipeline Geometry Service Hi-Res Mag Flux Corrosion Pigging Service Hi-Res Pipeline Deformation Pigging Service	Val-Tex Valve Flush Valve Lube Sealants Valve Lubrications Equipment and Fittings Valve Lubrication Guns