Randy Coil founded Columbia-based Coil Construction in 1975 as a small commercial remodeling company. Coil is now a full-service construction management firm that operates in seven states. Longtime Coil Construction vice president Kevin Buckler appeared on 939 the Eagle’s “CEO Round Table” on Saturday to reflect on his 42-year career with Coil, which is coming to a close. He also discussed project highlights and how the local construction business has changed in the last 42 years: