WEBDelta Dental PPO plans are underwritten by Delta Dental Insurance Company in AL, DC (Policy IENT-P-CORE-DC-R22), FL, GA, LA, MS, MT, NV and UT and by not-for-profit dental service companies in these states: CA — Delta Dental of California; PA, MD — Delta Dental of Pennsylvania; NY — Delta Dental of New York, Inc.; DE — Delta Dental of Delaware, Inc.; WV — Delta Dental of West ...