Houghton Concrete Block and Brick Manufacturers 100 Isle Royale St Superior Block is the only manufacturer of concrete blocks and pavers in the western Upper Peninsula of Michigan. We sell landscaping. Houghton MI Concrete Block and Brick Manufacturers Superior Block Co www.superiorblock.com superior block cement concrete blocks pavers Paver Blocks Bricks driveways Handy Stone interlocking.landscaping michigan patios Brick Pavers concrete contractors houghton county upper michigan Garden Wall Retaining Walls stone aggregate architectura superior block cement concrete blocks pavers Paver Blocks Bricks driveways Handy Stone interlocking.landscaping michigan patios Brick Pavers concrete contractors houghton county upper michigan Garden Wall Retaining Walls stone aggregate architectura Business Reviews Superior Block Co Testimonials