Metal Roofing
- Supplies and installs metal roofing panels and shingles. Serves residential and commercial clients. Based in Ontario, Canada.
- http://www.metroc.com/

Follansbee Steel Roofing
- Manufacturer of coated steel roofing and roofing products.
- http://www.follansbeeroofing.com/

Dimensional Metals, Inc.
- Standing seam metal roof panels and related products.
- http://www.dmimetals.com/

McElroy Metal
- Sheet metal wall and roof panels.
- http://www.mcelroymetal.com/

T. S. Metals Ltd
- Steel roofing, siding, and trim in galvanized and galvalume (pre-painted and plain) for mobile, manufactured, relocatable industrial, and residential housing, plus agricultural buildings.
- http://www.tsmetals.com

Petersen Aluminum Corp.
- Architectural metal for roofing, mansards and fascia.
- http://www.pac-clad.com/

Metal Roofing Wholesalers
- Suppliers of metal roofing for commercial and residential roofs. Includes a collection of photographs of roof designs.
- http://www.metalroofingwholesalers.com/

Everlast Roofing, Inc.
- Everlast II metal roofing and siding, hot formed, galvanized heavier, using harder paints, manufacturered to last longer. Backed by one of the best warranties in the industry.
- http://www.everlastroofing.com/

Mercury Metals Products
- Manufactures quality roofing, decking, and wall cladding materials. Also installs.
- http://www.mercurymetalsltd.com

Merchant and Evans, Inc.
- Architectural standing seam metal roofing. Manufactures ZIPRIB structural/runctional standing seam metal roofing used in curved, low slope, and steep slope applications. Also manufactures a full line of custom form cornices, domed and barrel vault roofing
- http://www.ziprib.com/

NS Irwin Ltd.
- Supplies roofing and roofing accessories, flashings, corrugated metals, sheetmetal and longrun steel roofing, cladding and roof drains. Also supply ship navigation lamps .
- http://www.irwin.co.nz/

Metal Sales Manufacturing Corporation
- Manufacturer of wide range of steel panels and components for the building industry.
- http://www.mtlsales.com/

Pioneer Roofing Systems
- Commercial roofing and architectural sheet metal, Eastern USA.
- http://www.pioneerroofing.com

Ultra Seam Inc.
- Manufacturers of steel and metal roofing.
- http://www.ultraseam.com/

National Roof Coaters
- Metal roof repair services.
- http://www.nrcoaters.com/

Galvalume Steel Roofing
- Manufacturer of steel roofing. Includes specifications and guidelines for the design, installation and maintenance of standing seam metal roofs.
- http://www.steelroofing.com/

Union Corrugating Company
- Manufacturer of metal roofing and siding panels, metal roofing shingles, and metal eave drips and flashings.
- http://www.unioncorrugating.com/

AEP-SPAN Metal Roofing Solutions
- Manufacturer of architectural metal products including roof systems, equipment screens, fascia and soffit systems.
- http://www.aep-span.com/