| UPS | Ubiquitin/Proteasome System 
| Others |
| UPS | Ultimate Plane Service
| Others |
| UPS | Ultra Perfect Service
| Others |
| UPS | Ultra Poor Service
| Others |
| UPS | Ultra Power Saver
| Others |
| UPS | Ultraviolet Photoelectron Spectroscopy
| Others |
| UPS | Umdrehungen Pro Sekunde
| Others |
| UPS | Un-interruptable Power Supply
| Others |
| UPS | Un-interruptible Power Source
| Others |
| UPS | Un-Predictable Service
| Others |
| UPS | Un-Prepared Speaking
| Others |
| UPS | Unbelievably Pathetically Slow
| Others |
| UPS | Unbelievably Ponderously Slow
| Others |
| UPS | Unbelievably Poor Service
| Others |
| UPS | Unbelievably Pulverized Shipments
| Others |
| UPS | Uncommonly Poor Service
| Others |
| UPS | Undelivered Parcel Service
| Others |
| UPS | Under Paid Slaves
| Others |
| UPS | Under-Paid Slave
| Others |
| UPS | Undoubtedly Pretty Slow
| Others |
| UPS | Unequaled Package Smashers
| Others |
| UPS | Unified Parallel Software
| Others |
| UPS | Unified Presence Server
| Others |
| UPS | Uniform Power Storage
| Others |
| UPS | Unilateral Phase System
| Others |
| UPS | Unintentional Packet Switch
| Others |
| UPS | Unintentional Power Supply
| Others |
| UPS | Uninterrupted power source
| Others |
| UPS | Uninterrupted Power Supplies
| Others |
| UPS | Uninterrupted Power Supply
| Others |
| UPS | Uninterruptible Power Source
| Others |
| UPS | Uninterruptible Power Supplies
| Others |
| UPS | Uninterruptible Power Supply
| Electronic Devices |
| UPS | Uninterruptible Power System
| Others |
| UPS | Uninterupted Power Supply
| Others |
| UPS | Unique Selling Proposition
| Marketing |
| UPS | Unit Power Supply
| Others |
| UPS | Unit Pump System
| Others |
| UPS | United Parcel Service
| Company |
| UPS | United Pediatric Services
| Others |
| UPS | United Pie Stands
| Others |
| UPS | United Pop Stars
| Others |
| UPS | United Postal Service
| Others |
| UPS | United Problem Solvers
| Others |
| UPS | United Produce Service
| Others |
| UPS | Uniterruptible Power Supply
| Others |
| UPS | Unity Peace Serenity
| Others |
| UPS | Universal Packing System
| Others |
| UPS | Universal Player System
| Others |
| UPS | Universal Polar Stereographic
| Others |
| UPS | Universal Port Serial
| Others |
| UPS | Universal Power Supply
| Others |
| UPS | Universally Poor Service
| Others |
| UPS | University of Puget Sound
| Others |
| UPS | University Policy Statement
| Others |
| UPS | Unix Product Support
| Others |
| UPS | Unmitigated Package Smashers
| Others |
| UPS | Unparalleled Pooch Surveillance
| Others |
| UPS | Unreliable Postal Service
| Others |
| UPS | Unsatisfactory Poor Service
| Others |
| UPS | Unusual Points Situation
| Others |
| UPS | Unusual Pulling System
| Others |
| UPS | Unusually Poor Satanosphere
| Others |
| UPS | Updates Per Second
| Others |
| UPS | Uplink Product Support
| Others |
| UPS | Upright Perigee Stage
| Others |
| UPS | Uriahs Pony Service
| Others |
| UPS | Use Purolator Service
| Others |
| UPS | Useless Parcel Service
| Others |
| UPS | Useless Poor Service
| Others |
| UPS | Useless Power Supply
| Others |
| UPS | User Profile Store
| Others |
| UPS | User Profile System
| Others |
| UPS | User Provided Service
| Others |
| UPS | Using Professional Sound
| Others |
| UPS | Usually Pretty Slow
| Others |
| UPS | Utility Pricing Solutions
| Others |
| UPS | Utter Parcel S***
| Others |
| UPS | Utter Parcel Sh*t
| Others |
| UPS - | United Parcel Service:
| Others |