OEO Saves More Than $100,000 on Ad Spend by Switching to CallRail OEO offers LED lighting solutions for industrial warehouses, parking lots, universities, sporting arenas, and other commercial applications. They serve thousands of customers from their headquarters in Chicago, Illinois. They use CallRail first and foremost to track lead sources while measuring ROI. Problem OEO had been using CallRail call tracking for more than a year, but only for their PPC campaigns. Their SEM department was getting great results by tracking which ads were working to drive calls for their business. Unfortunately, since use of CallRail was siloed to their SEM department, OEO wasn’t getting the full benefit of tracking their calls. Solution That’s when they decided to start using call tracking numbers to t

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