312 Masonry, Inc. dba Mason Master Shmid is a general contracting company based in the United States, with operations led by Andriy Semenyshyn since 2007. The company specializes in masonry services, likely providing construction and repair solutions involving brick, stone, and concrete work. Their business model centers around offering skilled masonry labor and expertise to clients, particularly in the Chicago area. With over 17 years of experience, Mason Master Shmid has established itself as a reliable provider within the construction industry. The company’s longevity and leadership suggest a strong reputation and consistent demand for its services.