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                                 EXHIBIT INDEX


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<CAPTION>
EXHIBIT                                                                                
NUMBER                              DESCRIPTION OF DOCUMENT                            
- -------                             -----------------------                            
<S>                   <C>                                                              
10.1.24               Fourth Amendment dated as of July 15, 1997, to the Amended and
                      Restated Credit Agreement dated as of January 25, 1996,
                      among A.P.S., Inc., the several bank and other financial institutions 
                      from time to time parties thereto, and The Chase Manhattan Bank, as agent.

11.1                  Statement re Computation of Income (Loss) Per Share

12.0                  Statement re Computation of Earnings (Loss) to Fixed Charges

27                    Financial Data Schedule
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