The Marrano Design Center features the participation of many companies and their fine products. Some of these include:
| Advantage Woodshop |
Heath®/Zenith Door Chimes |
| Aquatex |
Homecrest Cabinets |
| Basco |
Home Entertainment Wiring |
| Bertie Floors |
Kitchen Aide |
| Big G Roofing |
Marranca Electric |
| Big L Distributors |
Mohawk Carpeting |
| Cambria Countertops (Quartz) |
Napoleon® |
| Central Vacuum Systems |
Palo Duro Hardwood |
| Closet Maid |
Pionite Laminate |
| Corian® |
Quaker Millwork Wood Trim and Accents |
| Cultured Stone |
S & K Counter Tops |
| Daltile |
Shaw Carpeting |
| Décor® Switches |
Sherwin Williams Paint |
| 84 Lumber |
Therma-Tru® Doors |
| Elk Roofing |
Vintage Hardwood Flooring |
| Ellicott Bath & Kitchen Gallery |
Weiser Troy Hardware® |
| EMTEK® Door Hardware |
WESTNY Building Products |
| Eskay® Stainless Steel Counter Tops |
Wilson Art Laminate Floors |
| Gullistan Carpeting |
Whirlpool |
| Hanstone Countertops (Quartz) |
Zodiaq® |
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