Triangle Construction, LLC. Share: Home Improvement Triangle Construction, LLC. Visit Website Request Info 6217 Cass Holt Road Holly Springs, NC 27540 (919) 557-5640 Rep Info Map Whom to Contact Catherine Chanice 6217 Cass Holt Road Holly Springs, NC 27540 Phone: (919) 557-5640 Send an Email What's Nearby? Distance: 5 10 15 20 25 50 mi.