Where offered, the DeltaCare ® USA plan (Contract 76777) is underwritten by Alpha Dental of Arizona, Inc. in AZ, by Alpha Dental of New Mexico, Inc. in NM, by Alpha Dental Programs, Inc. in IL, KY, MD, MO, OH and TX, by Delta Dental Insurance Company in DC, FL, GA, TN and WV, by Delta Dental of California in CA, by Delta Dental of New York ....