07.54.00 Thermoplastic Membrane Roofing

07.54.23 Thermoplastic-Polyolefin Roofing

07.54.13 Copolymer-Alloy Roofing 07.54.16 Ketone Ethylene Ester Roofing 07.54.19 Polyvinyl-Chloride Roofing 07.54.23 Thermoplastic-Polyolefin Roofing 07.54.26 Nitrile-Butadiene-Polymer Roofing

8 Manufacturers

CertainTeed

Elevate (Firestone Building Products)

Flex Membrane International Corp.

GAF

IKO Roofing - Commercial

Johns Manville Roofing Systems

Roofing Products International

Sika