Repair and Maintenance CAN This industry comprises establishments primarily engaged in the repair and maintenance of commercial and industrial machinery and equipment. Establishments in this industry either sharpen/install commercial and industrial machinery blades and saws or provide welding (e.g., automotive, general) repair services; or repair agricultural and other heavy and industrial machinery and equipment (e.g., forklifts and other materials handling equipment, machine tools, commercial refrigeration equipment, construction equipment, and mining machinery). Cross-References. Establishments primarily engaged in-- ? Automotive repair (except welding) and maintenance are--classified in Industry Group 8111, Automotive Repair and Maintenance; ? Repairing and maintaining electronic and precision equipment--are classified in Industry 81121, Electronic and Precision Equipment Repair and Maintenance; ? Repairing and servicing aircraft--are classified in Industry 488190, Other Support Activities for Air Transportation; ? Converting, rebuilding, and overhauling aircraft--are classified in Industry 33641, Aerospace Product and Parts Manufacturing; ? Repairing and servicing railroad cars and engines--are classified in Industry 488210, Support Activities for Rail Transportation; ? Rebuilding or remanufacturing railroad engines and cars--are classified in Industry 336510, Railroad Rolling Stock Manufacturing; ? Repairing and overhauling ships at floating dry docks--are classified in Industry 488390, Other Support Activities for Water Transportation; ? Repairing and overhauling ships at shipyards--are classified in U.S. Industry 336611, Ship Building and Repairing; ? Rewinding armatures or rebuilding electric motors on a factory basis--are classified in U.S. Industry 335312, Motor and Generator Manufacturing; and ? Repairing and maintaining home and garden equipment (e.g., sharpening or installing blades and saws)--are classified in Industry 811411, Home and Garden Equipment Repair and Maintenance.