Onyx Building Group, Inc. is one of Southern California’s premier drywall and exterior building skin contractors. They specialize in drywall, metal framing, lath and plaster, fireproofing, and air/vapor barriers in the Western United States.
ONYX sponsored San Marcos High School’s team at the SoCal Design Build Competition® last month. ONYX CEO/President Nicole Caya-Winfield was “thrilled to have sponsored San Marcos High School! Your hard work and dedication truly paid off, earning you the Rookie Team of the Year Award. Well done to everyone involved!” Thank You Nicole!