Extol Inc., Zeeland, Mich., which makes plastics joining equipment, celebrates its 30th year in business this year.
Founded by brothers Ross and Chip Van Klompenberg, the company has grown to employ more than 80 people nationwide. Its products, including hot-plate welders, infrared staking and welding, spin welders and adjustable work stations, are made in the United States and sold and serviced around the world.
