EXHIBIT 21.1 Exhibit 21 - List of Subsidiaries - ------------------------------------------------------------- -------------- SUBSIDIARY INCORPORATION - ------------------------------------------------------------- -------------- PIA Merchandising Co., Inc. California - ------------------------------------------------------------- -------------- Pacific Indoor Display Co. California - ------------------------------------------------------------- -------------- Pivotal Sales Company California - ------------------------------------------------------------- -------------- SPAR Acquisition, Inc. Nevada - ------------------------------------------------------------- -------------- SPAR Incentive Marketing, Inc. Delaware - ------------------------------------------------------------- -------------- SPAR Trademarks, Inc. Nevada - ------------------------------------------------------------- -------------- SPAR Marketing, Inc. (f/k/a SPAR Acquisition, Inc.) Delaware - ------------------------------------------------------------- -------------- SPAR Performance Group, Inc. Delaware - ------------------------------------------------------------- -------------- SPAR Marketing Force, Inc. Nevada - ------------------------------------------------------------- -------------- SPAR Marketing, Inc. Nevada - ------------------------------------------------------------- -------------- SPAR, Inc. (f/k/a SPAR/Burgoyne Information Services, Inc.) Nevada - ------------------------------------------------------------- -------------- SPAR/Burgoyne Retail Services, Inc. (f/k/a SPAR Retail Information, Inc.) Ohio - ------------------------------------------------------------- -------------- SPAR/Retail Services, Inc. Nevada - ------------------------------------------------------------- -------------- SPAR Group International, Inc. Nevada - ------------------------------------------------------------- -------------- SPARinc.com, Inc. Nevada - ------------------------------------------------------------- -------------- Retail Resources, Inc. Nevada - ------------------------------------------------------------- -------------- Pivotal Field Services, Inc. Nevada - ------------------------------------------------------------- --------------