235210 Painting and Wall Covering Contractors This U.S. industry comprises establishments primarily engaged in interior or exterior painting and interior wall covering. The painting and wall covering work performed includes new work, additions, alterations, and maintenance and repairs. Activities performed by these establishments range from bridge, ship, and traffic lane painting to paint and wall covering removal. The data published with NAICS code 235210 include the following SIC industries: 1721 Painting and paper hanging special trade contractors 1799 Special trade contractors, n.e.c. (pt)