Three companies have formally applied to the Massachusetts Gaming Commission to operate a slots parlor.

    The 236-page application forms were due on Friday. The panel has scheduled a hearing on the three proposals for Monday.

    The state's 2011 gambling laws allows for only one slots parlor in the state along with three regional resort casinos. The commission plans to award the slots parlor license before the larger casinos.

    The applicants include Cordish Cos., which has proposed a slots parlor in Leominster; Penn National Gaming, which hopes to add slot machines at the Plainridge harness race track in Plainville; and the owners of Raynham Park, who are seeking a slots parlor at the former dog racing track.

    All three passed background checks from the commission and won approval from local voters.  (Associated Press)