Kaycan Building Materials
- Vinyl and aluminum siding, soffit, fascia and accessories.
- http://www.nulogicdesign.com/kaycan2/

Michigan PreStain
- Manufactures pre-stained cedar siding, cedar shingles and vinyl-cement siding.
- http://www.michiganprestain.com/

Forest Siding Supply
- Wholesale siding, windows, and other building products for construction and remodeling professionals. Central US.
- http://www.forestsidingsupply.com/

Nailite International
- Polypropolene exterior siding. Styles include brick, stone, shake, cedar.
- http://www.nailite.com/

Vinyl Siding Kits
- Do-it-yourself vinyl siding kits for homeowner installation.
- http://www.vinylsidingkits.com/

Amerimax Building Products, Inc.
- Manufacturer of exterior sidewall systems for the manufactured housing and modular building industries. Fabricated aluminum, steel and laminated products.
- http://www.amerimaxbp.com/

Reynolds
- Manufacturer of vinyl, aluminum and steel siding and accessories, soffit, raincarriers, shutters, and solid vinyl windows and doors.
- http://www.reynoldsbp.com/

Alside, Inc.
- Manufacturer of vinyl siding, trim, and windows.
- http://www.alside.com/

Mastic Vinyl Siding
- Manufacturer of vinyl siding, trim, and related products.
- http://www.mastic.com/

Heartland Building Products
- Manufacturer of vinyl siding and trim.
- http://www.heart-land.com/

Masonite Corporation
- Manufacturer of wood fiber siding, trim, and interior products.
- http://www.masonite.com/

Gentek Building Products
- Manufacturer of exterior siding in vinyl, aluminum and steel.
- http://www.gentekinc.com/

Royal Group Technologies Limited
- Manufacturer of vinyl building products.
- http://www.royalbuildingproducts.com/

Rollex
- Manufacturer of siding, soffit and accessories in vinyl, aluminum and steel. Site includes architectural technical specifications and other resources.
- http://www.rollex.com/

Owens Corning
- Siding and roofing systems for home exteriors.
- http://www.owenscorning.com/around/exteriors_new/exterior.asp

Wolverine Siding
- Manufacturer of siding, soffit, trim and accessories, in a broad range of profiles and colors.
- http://www.vinylsiding.com/

Vytec
- Manufacturer of vinyl siding for home remodeling and construction.
- http://www.vytec.com/

James Hardie Global
- Manufacturer of fiber cement building products including siding, backerboard, wallboard and gypsum.
- http://www.jameshardie.com/

ABT Building Products Corporation
- Manufacturer of hardboard-based, vinyl and fiber cement siding, gable vents, mounting blocks, exterior shutters, interior and exterior mouldings, paneling, tileboard and door panels.
- http://www.abtco.com/

Alcoa Home Exteriors
- Manufacturer of vinyl and aluminum siding, gutters, and accessories.
- http://www.alcoahomes.com/