Steeves and Rozema Group, a Sarnia company formed in 1963 by Don Steeves and John Rozema, will become two separate companies. The Steeves family has established a new company, MillDon Enterprises Ltd., in honour of Don and Millie Steeves, focused on residential properties. It will own and operate eight multi-residential sites and be led by David and Linda (Steeves) Scapillati, a release said.