Offering overview
Products and services
Blackburn Mfg. Co. manufactures marking flags, including patterned utility flags in APWA colors and custom printed flags. It also sells marking paint, marker post hit kits, whiskers, underground warning tape, paint wands and flag insertion tools for utility locating crews.
Marking, Flags, Stakes & Identification
Supporting the locating profession
Nulca appreciates companies that serve the professional locating community. Directory inclusion does not mean Nulca recommends one company, product, or service over another. Confirm fit, availability, support, and pricing directly.