SERVICE CONTROL BIDS FOR AMERICAN SERVICE

  &lt;Service Control Corp> said it has
  started a tender offer for all shares of &lt;American Service
  Corp> at 37 dlrs each.
      In a newspaper advertisement, the company said the offer
  and withdrawal rights expire April Nine unless extended.  The
  American Service board has approved the offer, which is to be
  followed by a merger at the same price.
      Service Control said the offer is conditioned on receipt of
  at least 534,806 shares.  It said holders of 534,819 shares
  have agreed to tender their shares under the offer and have
  granted Service Control an option to buy them at 37 dlrs each.
  

