BITEC, INC., was founded in 1986 with a philosophy of providing quality modified bitumen roofing membranes and unequaled technical support and service. Today, seventeen years later, that philosophy has not been changed. During this period, our company has not experienced a single product failure.

EpoxyFlex is a superior, unequalled, and ecologically friendly building product that protects against the destructive elements that attack flat and pitched roof systems. After more than 20 years of stringent testing by chemists, engineers, suppliers, building owners, and roofing contractors, EpoxyFlex remains unique in its ability to withstand ruinous elements.

Founded in 1886, GAF Materials Corporation has grown to be North America's largest roofing manufacturer (currently over $1.3 billion in sales).

IMETCO has always been a technological leader in the metal roofing industry. They produce the highest quality products available and Collis is proud of the performance of their products. IMETCO uses the finest roll-forming equipment and conforms their production lead times to meet the needs of our customers.

The Kover Krete™ System is an acrylic cementitious coating system for commercial and residential roofing. It combines the durability of concrete with the versatility of various colors, styles and textures.

MBCI carries colorful, state-of-the-art metal roofing systems and are located right here in Florida in Plant City! Collis is very proud of our affiliation with MBCI!

Sealoflex, Inc. is a manufacturer of a premium quality range of products and systems for the waterproofing and coating of buildings and structures. The product range provides the specifier or building owner with a variety of solutions for waterproofing needs.

Over the last 30 years, Southeastern Metals has grown into one of the largest metal manufacturers in the southeast United States by providing the construction industry with over 3,500 galvanized, steel, aluminum, and copper products.

Under the direction of David Humphreys, Tamko is thriving in their third generation of family leadership. You can depend on TAMKO for top-quality products at competitive prices, and strong support before and after you buy. This is why we choose them here at Collis!

In addition to Thermo-Pan®, Thermo Manufacturing created an entire family of products to make installations easier and more professsional-looking for the contractor. All Thermo products are designed to be simple and functional.