Marking Flags & Products. Blackburn Mfg. Co. is the leader in International Marking Flags. Blackburn is unmatched in quality marking flags with the best customer service in the industry for 60 years. Marking Flags, Posting Signs, I nverted marking Paint, All Flagging Tape, Measuring Tapes, Utility location, Athletic Field and Pavement Striping Paint.
Address: 908 US-275, Neligh, NE 68756 Email: Contact: Phone: (402) 887-4161 FAX: 877.887.5171