What happens when highly talented vehicle lighting specialists, design engineers, and high-tech production facilities come together under one roof? Easy access to everything and everyone. Face-to-face communication. Close control of detail. Time/cost efficiencies. Innovative thinking. A strong spirit of teamwork. And unmatched productivity. It's called Vertical Integration, a business strategy that makes Peterson unique in the safety lighting industry. And it all happens on Peterson's corporate campus in Grandview, Missouri - home to our Core Four divisions whose collaborative capabilities have made the PM brand a world leader.