Oconomowoc manufacturer to be bought by 3M

Quest Technologies Inc., an Oconomowoc manufacturer of noise, heat stress and vibration monitors, will be acquired by 3M for an undisclosed amount.  Quests’ monitors measure workplace safety, including noise and heat levels. 3M will add the company to its existing workplace safety lines, which include respiratory, hearing and eye protection, as well as first responder, industrial, automotive, shipbuilding, military, home improvement and consumer safety products.  Quest employs about 95 workers at its headquarters in Oconomowoc. The transaction is expected to close in the third quarter of this year.