Eastern Tank Service Inc Address: 1800 E Main St, Lamar, AR 72846 Phone: (479) 885-2700 Water Hauling Service Other Businesses: Pizza Pro at 2051 E Main St, Lamar, AR 72846 Red Oak Station at 2051 E Main St, Lamar, AR 72846 Arkansas Valley Electric at 2702 Highway 315, Lamar, AR 72846 RIVER VALLEY OIL AND PROPANE at 800 W MAIN ST, LAMAR, AR 72846