Exhibit 21.1 - 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 Ohio Information, Inc.) - -------------------------------------------------------------------------------- SPAR/PIA Retail Services, Inc. Nevada - -------------------------------------------------------------------------------- SPAR Group International, Inc. Nevada - -------------------------------------------------------------------------------- SPARinc.com, Inc. Nevada - -------------------------------------------------------------------------------- Retail Resources, Inc. Nevada - -------------------------------------------------------------------------------- Pivotal Field Services, Inc. Nevada - -------------------------------------------------------------------------------- PIA Merchandising Ltd. Canada - --------------------------------------------------------------------------------