Kerr Engineered Sales Company provides the liquid pipeline industry with services and products that encompass line pigging, internal pipeline inspection, product heating, anomaly detection, pipeline hot tapping for branch connections and temporary line plugging services and equipment for pipeline repair and rerouting.

T. D. Williamson, Inc. Hot Tapping Equipment SHORTSTOPP and STOPPLE Line Plugging Equipment SHORTSTOPP and STOPPLE Fittings Casing Seals and Insulators RES-Q Composite Pipeline Repair Wrap Pipeline Repair Sleeves Pipeline Repair Clamps	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 RES-Q Composite Pipeline Repair Wrap Service Complete Turn Key-Projects
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 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