United States Roofing Top Companies
GAF Materials Corporation
Owens Corning
CertainTeed (Saint-Gobain)
Carlisle Companies Inc.
Johns Manville (Berkshire Hathaway)
*Disclaimer: Top companies sorted in no particular order

United States Roofing Market Concentration

United States Roofing Company List
GAF Materials Corporation
Owens Corning
CertainTeed (Saint-Gobain)
Carlisle Companies Inc.
Johns Manville (Berkshire Hathaway)
IKO Industries
TAMKO Building Products
Atlas Roofing Corporation
Beacon Building Products
ABC Supply Co.
Holcim Elevate (Firestone Building Products)
Duro-Last Inc.
Malarkey Roofing Products
CentiMark Corporation
Tecta America
Flynn Group
Baker Roofing Company
IronHead Roofing
Sika Sarnafil
MFM Building Products


