Ameriseal Of Ohio, Inc. is proud to be based out of Smithville, OH. The team at Ameriseal Of Ohio, Inc. has been improving the runways of America with GRIP-FLEX Micro-Surfacing for aircraft up to 60,000 lbs. GRIP-FLEX meets FAA Specification P-629-FAA/ AIP Funding Available. Visit our website to view hundreds of successful long-term installations across the United States.