Naylor Pipe Company offers the complete line of spiralweld pipe. A wide range of pipe are available in diameters from 4" to 102" with thicknesses from 14 gauge through 1/2" wall. In addition to pipe, Naylor manufactures s......Naylor Pipe Company offers the complete line of spiralweld pipe. A wide range of pipe are available in diameters from 4" to 102" with thicknesses from 14 gauge through 1/2" wall. In addition to pipe, Naylor manufactures standard fittings, fabrications, and end connections, including the Naylor Heavy Duty Wedgelock Coupling.