This industry comprises establishments primarily engaged in manufacturing signs and related displays of all materials (except printing paper and paperboard signs, notices, displays). Establishments primarily engaged in--

Including:

• Billboards manufacturing
• Displays (e.g., counter, floor, point-of-purchase) manufacturing
• Electrical signs manufacturing
• Letters for signs manufacturing
• Neon signs manufacturing
• Scoreboards manufacturing
• Signs and signboards (except paper, paperboard) manufacturing
• Traffic (e.g., highway, road, street, bridge) signs manufacturing