| U Beauty | ubeauty.com | 5 offers | |
| U.S. Rigging | usrigging.com | 2 offers | |
| Ultrascope | ultrascopes.com | 2 offers | |
| Umpqua Oats | umpquaoats.com | 1 offer | |
| UNAFRAID | eddiepenney.com | 2 offers | |
| UnCanna | uncanna.com | 8 offers | |
| Uncharted Supply Company | unchartedsupplyco.com | 3 offers | |
| Underworld Arms | underworldarms.com | 3 offers | |
| Undrdog Surface Products | getundrdog.com | 2 offers | |
| Unique Style Platform | uniquestyleplatform.com | 1 offer | |
| United Sewing Automation | unitedsewinginc.com | 11 offers | |
| United Sports Brands Canada | unitedsportsbrands.ca | 3 offers | |
| Universal Hollywood | universalstudioshollywood.com | 4 offers | |
| Universal Orlando | universalorlando.com | 4 offers | |
 |
Unreal Vapors | unreal-vapors.myshopify.com | 2 offers |
| Uplift Provisions Company, LLC. | upliftprovisionsco.com | 2 offers | |
| Uprising Xtracts | uprisingxtracts.com | 2 offers | |
| UPSY | upsy.com | 6 offers | |
| URBAN ARMOR GEAR | urbanarmorgear.com | 4 offers | |
| US Cargo Control | uscargocontrol.com | 1 offer | |
| US Wall Decor | uswalldecor.com | 4 offers | |
| UTVInc | utvinc.com | 2 offers | |
| UVD | ultimatevapedeals.com | 1 offer |