Exhibit 1 to Schedule 13D for
                           DecisionOne Holdings Corp.
                                    AGREEMENT
         Agreement  made this 21st day of August,  1997,  by and between each of
the undersigned.
         WHEREAS,  each of the  undersigned  is required to file a Schedule  13D
with respect to ownership of securities in DecisionOne Holdings Corp.; and
         WHEREAS, each of the undersigned is individually eligible to use this
Schedule 13D;
         NOW,  THEREFORE,  the  undersigned  agree to file only one Schedule 13D
reflecting  their  combined  beneficial  ownership of securities in  DecisionOne
Holdings Corp.
                           ▇▇▇▇▇▇ ▇. ▇▇▇ EQUITY FUND III, L.P.
                           By:  THL Equity Advisors III Limited Partnership,
                                its General Partner
                           By:  THL Equity Trust III, its General Partner
                           By:  /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇
                           Name:  ▇▇▇▇▇ ▇. ▇▇▇▇▇▇
                           Title:    Vice President
                           ▇▇▇▇▇▇ ▇. ▇▇▇ FOREIGN FUND III, L.P.
                           By:  THL Equity Advisors III Limited Partnership,
                                its General Partner
                           By:  THL Equity Trust III, its General Partner
                           By:  /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇
                           Name:  ▇▇▇▇▇ ▇. ▇▇▇▇▇▇
                           Title:    Vice President
                           ▇▇▇▇▇▇ ▇. ▇▇▇ EQUITY ADVISORS III
                           LIMITED PARTNERSHIP
                           By:  THL Equity Trust III, its General Partner
                           By:  /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇
                           Name:  ▇▇▇▇▇ ▇. ▇▇▇▇▇▇
                           Title:    Vice President
                           THL EQUITY TRUST III
                           By:  /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇
                           Name:  ▇▇▇▇▇ ▇. ▇▇▇▇▇▇
                           Title:    Vice President
                           THL CO-INVESTORS III-A, LLC
                           By:  /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇
                           THL CO-INVESTORS III-B, LLC
                           By:  /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇