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Blackburn Mfg. Co.

Blackburn Mfg. Co. manufactures marking flags, including patterned utility flags in APWA colors and custom printed flags.

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Blackburn Mfg. Co.

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.

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