Cynamar, Inc. Share: Mail Service/Shipping Cynamar, Inc. 6761 Providence St. PO BOX 2427 Whitehouse, OH 43571 419-877-5641 About Rep Info Map About Third-Party Truckload Logistics Whom to Contact Mark Martin Phone: (419) 877-5641 What's Nearby? Distance: 5 10 15 20 25 50 mi.