Telecommunications Services Provider. UNION TELECARD DOMINICANA or UTD was established on Jan. 15, 1999, by GOMEZ GROUP INC. Actually is the company #1 for Topup products, Prepaid Pins, and Prepaid services for all the Dominican Republic and Worldwide Cell Companies. Actually, UTD has more than 10000 direct customer retailer's, and 18000 indirect retailers; UTD is a pioneer in the POS Technologies applied to Dominican Republic market with its award-winning sales by all the domestic communications companies.