This is all I got:
"Meaning of MVPD - "Multichannel Video Programming Distributor". A term defined by the Federal Communications Commission (FCC) to mean an entity such as, but not limited to, a cable operator, a Multiple System Operator (MSO), a multiple channel distribution service, a Direct Broadcast Satellite (DBS) service, or a television receive only satellite program distributor who makes available for purchase by subscribers or customers multiple channels of video programming. MVPD encompases all providers of multichannel TV, including MSOs, Private Cable Operators (PCO)s, Competitive Local Exchange Carriers (CLEC)s and DBS systems."
Found
here.