Except for the largest manufacturers, few of the makers of the materials cited above directly distribute to the market, and even the largest manufacturers avail themselves of the distribution and supplier network to put their products in the hands of roofing contractors.

To gain the benefits of scale, some roofers and builders join together to have greater purchasing power in purchasing cooperatives

• NEMEON is an independent company and is a purchasing cooperative in the roofing distribution industry. It was formed to provide pooled buying power and management support for Independent Roofing & Siding Distributors (IRSD). It has 180 member distributors in 475 locations.

There are a limited number of building supplies companies which are national in scope, most are regional. This list is far from a complete representation of this very broad category.

• ABC Supply is probably the most extensive single chain of stores providing a very wide range of roofing, siding, windows, tools, guttering and accessories. Provides supplies and delivery just about everywhere in the lower 48 states.
• Allied Building Products distributes and delivers a range of GAF and Tamco shingles and other roofing products, weatherproofing lines, siding, doors and windows. It has near national range.
• AMSI Supply roofers specialty supply company with tools, safety equipment, metal roofing, fasteners, adhesives, sealants, and more. Douglasville, GA.
• Bradco Supply Avenel, NJ. Supplies a wide range of residential and commercial roofing products, and additionally, windows, siding, doors, tools.
• Pacific Supply with outlets throughout the west, supplies a wide range of residential and commercial roofing and products, and additionally all manner of building products, supplies and tools.
• Roofmaster Products Company offers a full range of commercial/flat roofing material, tools, and equipment, including a line of self branded coatings. Monterey Park, CA.
• South Coast Shingle with outlets in Long Beach and Laguna Niguel, serves the southern California market. In addition to a wide range of roofing products: shingles, tiles, metal roofing, real and simulated slate, South Coast also offers natural and simulated stone for exterior walls and other building material.
• Suncoast Roofers Supply serves south and central Florida, but recently acquired a Texas distributor which should increase its range.

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