Gainesville: OPIA Delivers 200th Sales Promotion for NATM, Driving Measurable Sell-Through and Purchases Across Key Retail Categories NEW YORK , NY, UNITED STATES, /EINPresswire.com/ โ€” OPIA, a global sales promotions agency, today announced the successful completion of its 200th ... OPIA Delivers 200th Sales Promotion for NATM, Driving Measurable Sell-Through and Purchases Across Key Retail Categories