CO-HA Builders, Inc. dba Applied Surfacing Technology Founded in 1977, CO-HA Builders dba Applied Surfacing Technology prides itself as being Hawaii’s premier sports surfacing, flooring, athletic equipment, bleacher, auditorium seating, and operable partition specialty contractor. Slide 1 Slide 1 (current slide) Slide 2 Slide 2 (current slide) Slide 3 Slide 3 (current slide) Slide 4 Slide 4 (current slide) Slide 5 Slide 5 (current slide) Slide 6 Slide 6 (current slide) Slide 7 Slide 7 (current slide) MANUFACTURERS