From large-scale remodels to a simple quick makeover, the design team at TRISA & CO. will expertly reflect your personal taste and style. TRISA & CO. is a full-service commercial and residential design firm assisting clients with a wide range of challenges including, selection of architectural details and finishes, collaborating with architects and builders, decorating a functional beautiful space with furniture, fabrics, accessories, and creating custom pieces tailor-made for your living space.