ChamberMaster Template Benchmark Masonry, Inc. Masonry Benchmark Masonry, Inc. Visit Website Request Info 223 H Street Lewistown, MT 59457 (406) 366-6257 Facebook Hours: Monday - Friday 8 a.m. - 5 p.m. About Map About Benchmark Masonry Inc., is a full-service masonry contracting company focused on quality. Benchmark Masonry is committed to providing the highest level of service to our customers. ? What's Nearby? Distance: 5 10 15 20 25 50 mi.