Firestone Building Products

Johns Manville

Carlisle-Syntec

U.S. Intec

Berridge (Metal Roofing)

Peterson Aluminum (Metal Roofing)

AEP-Span

TAMKO Roofing Products

ATAS International

Certainteed Roofing Products

W.R. Grace (Waterproofing)

Met-Fab

GACO Western (Waterproofing)

GAF Materials

Dow Corning

American Buildings Company

The Garland Company

Atlas Roofing Corporation

Moisture Control Calculator (Determine if a roof system needs a vapor barrier)

A.S.T.M

American Institute of Architects

National Roofing Contractors Association

Roof Consultants Institute

Single Ply Roofing Institute

Roof Coatings Manufacturers Association

Willow Construction

Gillis Gilkerson, Inc.

Evans Builders

Harper & Sons

Glen P. Ruark

The Whayland Company

Mervin L. Blades

Richard Merideth

Fowler Construction

Richard Wheatly

TEMCO

Bunting Construction

Southern Builders

Wirt Wolfe

CMSI

BM2OR (Becker Morgan Moore Richter Olds)

AWB & Associates

IOTT Architecture Engineering

AE*S

George, Miles & Buhr

Davis, Bowen & Friedell

Todd & Associates

Design Atlantic