| Hy Cite Corporation ( Madison, WI ) | HYBIR INC. ( Littleton, CO ) | Hybrid Networks, Inc. ( Cupertino, CA ) |
| Hy Lit Radio Technologies, Inc. ( Penn Valley, PA ) | Hybo Science, Inc. ( Delray Beach, FL ) | Hybrid Networks, Inc. ( San Jose, CA ) |
| HY PAT CORPORATION | Hyboo Concept Inc. | Hybrid Patents Incorporated ( Fort Worth, TX ) |
| Hy Pat Corporation ( Miami, FL ) | Hybra Drive Systems, LLC | Hybrid Plastics |
| Hy Wire Ltd.( Netanya ) | Hybra-Drive Systems, LLC | Hybrid Plastics ( Fountain Valley, CA ) |
| HY, LLC ( Tucson, AZ ) | Hybra-Drive Systems, LLC ( Deerfield, MI ) | Hybrid Plastics Inc. ( Hattiesburg, MS ) |
| Hy9 Corporation | Hybricon Corporation ( Ayer, MA ) | Hybrid Plastics LLC ( Fountain Valley, CA ) |
| Hy9 Corporation ( Woburn, MA ) | Hybrid Dynamics Corp. | Hybrid Plastics LLP ( Fountain Valley, CA ) |
| Hy9Corporation ( Woburn, MA ) | Hybrid Electronics Associates Ltd.( Hong Kong ) | Hybrid Plastics, Inc. ( Hattiesburg, MS ) |
| Hyakutake; Kunihiro( Tokyo ) | Hybrid Electronics Australia Pty Ltd.( Bayswater ) | Hybrid Plastics, LLC ( Fountain Valley, CA ) |
| Hyal Pharmaceutical Corporation ( Mississauga, CA ) | Hybrid Electronics Australia Pty, Ltd. ( Bayswater, Victoria ) | Hybrid Plastics, LLP ( Fountain Valley, CA ) |
| Hyaltech Limited ( Edinburgh, GB ) | Hybrid Fax, Inc. | Hybrid Power Generation System, LLC ( Los Angeles, CA ) |
| Hyaluron, Inc. ( Burlington, MA ) | HYBRID GRAPHICS OY ( Helsinki, FI ) | Hybrid Power Generation Systems LLC ( Los Angeles, CA ) |
| HYANOL LIMITED | HYBRID GRAPHICS, LTD. ( Helsinki, FI ) | Hybrid Power Generation Systems LLC ( Torrance, CA ) |
| Hyatt Corporation ( Chicago, IL ) | HYBRID LIGHT ( St. George, UT ) | Hybrid Power Generation Systems, Inc. ( Los Angeles, CA ) |
| Hybaid Ltd. | HYBRID MEDICAL RECORD SYSTEMS, INC. ( Miami, FL ) | Hybrid Power Generation Systems, LLC ( Los Angeles, CA ) |
| Hyben Vital Licens ApS ( Tranekaer, DK ) | Hybrid Networks, Inc. | |
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