M.A. Stewart Roofing uses of very wide range of high quality roofing and building materials.  Roofing material and building material manufacturers that we use include:

GAF/ELK
Grace Ice & Water Shield
Velux Skylights
AirVent Inc.
Berger Gutters
Firestone Building Products - Roofing Systems
GenFlex Roofing Systems
Titanium Synthetic Roofing Underlayment
Decra Roofing Systems - Stone Coated Steel Roofing - Stone Coated Metal Tile
Karnak
Certainteed
Select ShingleMaster
CertainTeed Integrity Roof System
Flintlastic SA Cap Self Adhered Low Slope Roofing
CertainTeed TrueComfort Blown-In Fiber Glass Insulation