This industry comprises establishments primarily engaged in interior or exterior painting or interior wall covering. The work performed may include new work, additions, alterations, maintenance, and repairs. Illustrative Examples: Bridge painting Paperhanging or removal contractors House painting Ship painting contractors Paint and wallpaper stripping Wallpaper hanging and removal contractors Cross-References. Establishments primarily engaged in-- ? Painting lines on highways, streets, and parking lots--are classified in Industry 237310, Highway, Street, and Bridge Construction; ? Roof painting--are classified in Industry 238160, Roofing Contractors; and ? Installing wood paneling--are classified in Industry 238350, Finish Carpentry Contractors.