Establishments primarily engaged in manufacturing electrical, mechanical, cutout, or plate signs and advertising displays, including neon signs, and advertising specialties. Sign painting shops doing business on a custom basis are classified in Services, Industry 7389. Establishments primarily engaged in manufacturing electric signal equipment are classified in Industry 3669, and those manufacturing commercial lighting fixtures are classified in Industry 3646.

• Advertising displays, except printed
• Advertising specialties-mfpm
• Cutouts and displays, window and lobby
• Displays, paint process
• Electrical signs and advertising displays
• Letters for signs, metal
• Name plates, metal: except e.g., engraved, etched, chased
• Neon signs
• Scoreboards, electric
• Signs, not made in custom sign painting shops