| IO Informatics, Inc. ( Emeryville, CA ) | Iogen Bio-Products Corporation ( Ontario, CA ) | Ioli Trust Edward D. ( Los Angeles, CA ) |
| IO SRL ( Treviso, IT ) | Iogen Energy Corporation | Ioli Trust; Edward D. ( Los Angeles, CA ) |
| IO Technologies, Inc. | Iogen Energy Corporation( Ontario ) | IOLON, INC. |
| iO.TEK Co., Ltd | Iogen Energy Corporation ( Ontario, CA ) | Iolon, Inc. ( San Jose, CA ) |
| iO.TEK Co., Ltd. | IOGEN ENERGY CORPORATION ( Ottawa, CA ) | IOLON,INC. |
| IO2 Technology, LLC ( Wilmington, DE ) | Iogen Energy Corporation ( Ottawa, ON ) | Ioltech( La Rochelle ) |
| IOActive Inc. | Iogen Energy Corporation ( Ottawa, Ontario ) | Ioltechnologie-Production( La Rochelle ) |
| Ioan Dancea( Batineau ) | Iogenetics Corporation ( Bedford, MA ) | Ioltechnologie-Production( Perigny ) |
| Iocent, LLC | ioGenetics, LLC ( Madison, WI ) | IOLTECHNOLOGIE-PRODUCTION ( PERIGNY, FR ) |
| IODINE TECHNOLOGIES AUSTRALIA PTY LTD ( Sydney, AU ) | IOI Limited Company( Aichi-Pref. ) | IOM Innovative optische Messtechnik GmbH ( Berlin, DE ) |
| Iodine Technologies Australiapty Ltd( Surrey Hills ) | Ioimage Ltd. ( Herzliya, IL ) | Iomai Corporation |
| Iodon Incorporated ( Country Club Hills, IL ) | Ioki Eiyo Kabushiki Kaisha | Iomai Corporation ( Gaithersburg, MD ) |
| IODP | Iolab Corporation ( Claremont, CA ) | Iomec, Inc. ( Minnetonka, MN ) |
| Ioffe Physico-Technical Institute RAS( Saint Petersburg ) | Iolab Corporation ( San Dimas, CA ) | Iomeca Corporation ( San Diego, CA ) |
| iofy Corporation | Iolco PTY LTD( West Perth ) | Iomech Limited ( Halifax, CA ) |
| IOGEN BIO-PRODUCTS CORPORATION ( Nepean, CA ) | IOLCO PTY LTD ( West Perth, AU ) | Iomech Limited ( Mississauga, CA ) |
| Iogen Bio-Products Corporation( Ontario ) | IOLCO Pty Ltd.( West Perth ) | |
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