Plaza Secretarial Service Address: 211 Vine St, St Clair, MI 48079 Phone: (810) 329-6200 Hours: Mon: 9am-5pm Tue: 9am-5pm Wed: 9am-5pm Thu: 9am-5pm Fri: 9am-5pm Lawyers, Secretarial Services Other Businesses: PrimeLending, A PlainsCapital Company at 302 Jay Street, St Clair, MI 48079 Black Black & Black Law Offices at 1357 River Rd, St Clair, MI 48079