Keson Industries, Inc. (Stringliner)

Keson LLC is a family-owned manufacturer of professional measuring and marking tools, founded in 1968 and headquartered in Aurora, Illinois. Its products include measuring wheels, tape measures, construction levels, chalk line reels and chalk, marking paint, flags, and other layout tools for contractors, surveyors, and tradespeople. Keson distributes its products through authorized dealers and combines U.S. manufacturing capabilities with SOLA’s European precision-engineering expertise.