Yes, you may buy consumer or 1.4G fireworks from a licensed wholesaler or manufacturer; however, you cannot discharge any consumer or 1.4G fireworks in the State of Ohio.
You must transport all fireworks purchased in Ohio out of the state within 48 hours of the purchase.
The only items that can be used in Ohio are designated "trick and novelty" which smoke, pop, and/or sparkle.
In Ohio, use of 1.4G fireworks (fire crackers, bottle rockets, etc.) is illegal. (R.C. 3743.65 (B))