Leading provider of pipe plugs, pipe plug, and custom seals. Mechanical Research & Design produces inflatable door seal, inflatable plug, mechanical seals, ...

Sewer Equipment Company of Florida sells sewer equipment including pipe stoppers, pipe plugs, bypass plugs, pass thru plugs, inflateable plugs, pneumatic plugs, ...

Cob industries manufactures and distributes portable pipe freezing equipment and air chainsaws and hacksawsand annular cutters and magnetic drill pressesand ...