| Trademark | Trademark Holder |
|---|---|
| Y-DER | Thermo Fisher Scientific |
| Y-PER | Thermo Fisher Scientific |
| Yale | BD (Becton, Dickinson and Company) |
| Yamato | Yamato Scientific Co., Ltd. |
| Yankee | Estes Industries |
| Yankee | BD (Becton, Dickinson and Company) |
| Yanmar | Yanmar Diesel Engine Co., Ltd |
| Yardage Pro | Bushnell |
| Yeastmaker | Clontech Laboratories, Inc. |
| YeastOne | Thermo Fisher Scientific |
| Yello-Bowl | Encon Safety Products |
| Yellow Neons | Aearo Technologies |
| Yellow-Z | Safetec of America |
| YellowJacket | Eagle Manufacturing |
| Your Life Science Source | Fisher Scientific |
| YPlate | BD (Becton, Dickinson and Company) |
| YSI | YSI Inc. |