Nelson-Harkins Industries is a fifty year old company based out of Chicago, Illinois. It is the nation's leading manufacturer of Directories and Bulletin Boards. It's hand crafted products are manufactured to meet the specific requirements outlined by the customer. Still, typical production time is only two to three weeks.

• See also:
• Masterformat 2004
• 10 13 00 - Directories
• 10 13 13 - Electronic Directories
• 10 14 00 - Signage
• 10 14 16 - Plaques
• Masterformat 1995
• 10400 - Identification Devices
• 10410 - Directories
• 10420 - Plaques