Allied Mechanical Services One of Michigan's largest and most experienced full-service mechanical contracting firms. SUCCESS STORIES We serve a wide range of industries and offer design build/assist services, 24/7 service, and pre-fabrication. Our safety record is second-to-none. CULTURE We're focused on providing the best quality products to our customers and fellow contractors. We're equally as dedicated to supporting each of our employees and their families. Allied Mechanical Services is a family business at it's core