EXHIBIT C --------- SCHEDULE 13D JOINT FILING AGREEMENT ----------------------------------- The undersigned and each other person executing this joint filing agreement (this "Agreement") agree as follows: (i) The undersigned and each other person...

 

                                                                       EXHIBIT C
                                                                       ---------


                      SCHEDULE 13D JOINT FILING AGREEMENT
                      -----------------------------------

     The undersigned and each other person executing this joint filing agreement
(this "Agreement") agree as follows:

     (i) The undersigned and each other person executing this Agreement are
individually eligible to use the Schedule 13D to which this Exhibit is attached
and such Schedule 13D is filed on behalf of the undersigned and each other
person executing this Agreement; and

     (ii) The undersigned and each other person executing this Agreement are
responsible for the timely filing of such Schedule 13D and any amendments
thereto, and for the completeness and accuracy of the information concerning
such person contained therein; but none of the undersigned or any other person
executing this Agreement is responsible for the completeness or accuracy of the
information statement concerning any other persons making the filing, unless
such person knows or has reason to believe that such information is inaccurate.

     This Agreement may be executed in any number of counterparts, each of which
shall be deemed to be an original, but all of which, taken together, shall
constitute one and the same instrument.

                                   * * * * *

Date: August 26, 1998

                                       AGI Acquisition Corp.

                                       By: /s/ Xxxxxx X. Xxxxx
                                           -----------------------
                                       Print Name: Xxxxxx X. Xxxxx
                                       Title: President


                                       WEC Company
                                       
                                       By: /s/ Xxxxxx X. Xxxxx
                                           -----------------------
                                       Print Name: Xxxxxx X. Xxxxx
                                       Title: President

 

                                      Xxxxx Equipment Company
                                      
                                      By: /s/ Xxxxxx X. Xxxxx
                                          -----------------------
                                      Print Name: Xxxxxx X. Xxxxx
                                      Title: President
                                      
                                      
                                      Madison Dearborn Capital Partners II, L.P.
                                      By: Madison Dearborn Partners, Inc.
                                      Its: General Partner

                                      By: /s/ Xxxx X. Xxxx
                                          -----------------------
                                      Print Name: Xxxx X. Xxxx
                                      Title: Managing Director
                                      
                                      
                                      Madison Dearborn Partners II, L.P.
                                      By: Madison Dearborn Partners, Inc.
                                      Its: General Partner
                                      
                                      By: /s/ Xxxx X. Xxxx
                                          -----------------------
                                      Print Name: Xxxx X. Xxxx
                                      Title: Managing Director
                                      
                                      
                                      By: Madison Dearborn Partners, Inc.
                                      Its: General Partner
                                      
                                      By: /s/ Xxxx X. Xxxx
                                          -----------------------
                                      Print Name: Xxxx X. Xxxx
                                      Title: Managing Director

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