EXHIBIT 21 OWENS-ILLINOIS, INC. SUBSIDIARIES OF THE REGISTRANTS The Registrants had the following subsidiaries at December 31, 1996 (subsid- iaries are indented following their respective parent companies): State/Country of Incorporation Name or Organization - ---- ------------------------------ OI Health Care Holding Corp. Delaware OI General Finance Inc. Delaware OI Closure FTS Inc. Delaware Specialty Packaging Licensing Company Limited Delaware Owens-Illinois Closure Inc. Delaware Product Design & Engineering, Inc. Minnesota Specialty Packaging Products de Mexico, S.A. de C.V. Mexico OI Plastic Products FTS Inc. Delaware Owens-Illinois Prescription Products Inc. Delaware OI Medical Inc. Delaware Anamed International, Inc. Nevada Martell Medical Products, Inc. California Owens-BriGam Medical Company Delaware Owens-Brockway Plastic Products Inc. Delaware Owens-Illinois Specialty Products Puerto Rico, Inc. Delaware OI Regioplast STS Inc. Delaware Regioplast S.A. de C.V. Mexico Owens-Illinois Labels Inc. Delaware OI General FTS Inc. Delaware OI Castalia STS Inc. Delaware OI Levis Park STS Inc. Delaware OI AID STS Inc. Delaware Owens-Illinois General Inc. Delaware Owens Insurance, Ltd. Bermuda OI Holding Company, Inc. Ohio Owens-Illinois Foreign Sales Corp. Virgin Islands Harbor Capital Advisors, Inc. Delaware HCA Securities, Inc. Delaware Harbor Transfer, Inc. Delaware Universal Materials, Inc. Ohio Owens-Brockway Packaging, Inc. Delaware OI Ione STS Inc. Delaware Owens-Brockway Glass Container Inc. Delaware Brockway Realty Inc. Pennsylvania Brockway Research Inc. Delaware OI Auburn Inc. Delaware Seagate, Inc. Ohio E-1 Subsidiaries of the Registrants (continued) State/Country of Incorporation Name or Organization - ---- ------------------------------ OIB Produvisa Inc. Delaware OI Consol STS Inc. Delaware OI Puerto Rico STS Inc. Delaware Owens-Illinois de Puerto Rico Ohio OI Venezuela STS Inc. Delaware Owens Brockway Venezuelan Holding Venezuela Centro Vidriero de Venezuela, C.A. Venezuela Manufacturera de Vidrios Planos, C.A. Venezuela Owens-Illinois de Venezuela, C.A. Venezuela Fabrica de Vidrio Los Andes, C.A. Venezuela Owens-Illinois Ventas, S.A. Venezuela OI Peldar STS Inc. Delaware OI Latin America Inc. Delaware OI Ecuador STS Inc. Delaware Cristaleria del Ecuador, S.A. Ecuador OI Peru STS Inc. Delaware Vidrios Industriales S.A. Peru Bolivian Investments, Inc. Delaware Fabrica Boliviana de Vidrios S.A. Bolivia OI Brazil Inc. Delaware Owens-Illinois International B. V. Netherlands Cristaleria Peldar, S.A. Colombia Sao Raimundo Administracao, Participacoes e Representacoes, Limitada Brazil Companhia Industrial Sao Paulo e Rio Brazil OI Finnish Holdings Oy Finland Ryttylan Muovi Oy Finland Karhulan Lasi Oy Finland A/S Jarvakandi Klaas Estonia OI Machineworks Inc. Delaware O-I Europe (Machinery and Distribution) Limited United Kingdom OI Overseas Management Company Limited Delaware United Glass Group Ltd. United Kingdom United Glass, Limited United Kingdom OI Poland Inc. Delaware Huta Szkla Jaroslaw S.A. Poland OI Hungary Inc. Delaware Oroshaza Glass Manufacturing and Trading Kft. Hungary OI Italy Inc. Delaware OI Italy Holdings Inc. Delaware OI Italia, S.r.l. Italy OI India Inc. Delaware Owens-BILT Limited India OI China Inc. Delaware Wuhan-Owens Glass Container Co., Ltd. China OI Thailand Inc. Delaware OI Pacific (Machinery and Distribution) Limited Thailand E-2