EXHIBIT 21 SUBSIDIARIES OF SAFEGUARD SCIENTIFICS, INC. Exclusive of inactive subsidiaries and companies in which Registrant holds a minority interest, Registrant as of March 20, 1997 had the following subsidiaries: PLACE OF NAME INCORPORATION ---- ------------- Safeguard Scientifics (Delaware), Inc. Delaware CompuCom Systems, Inc. Delaware CompuCom Properties, Inc. Delaware ClientLink, Inc. Delaware The Computer Factory Inc. New York International Micronet Systems California CSI Funding, Inc. Delaware Premier Solutions Ltd. Pennsylvania Safeguard International Group, Inc. Delaware Safeguard Technologies, Inc. Delaware SSI Management Company, Inc. Delaware Tangram Enterprise Solutions, Inc. Pennsylvania Technology Leaders Management, Inc. Delaware XL Realty Corp. Delaware