| Acronym | Definition |
|---|
| PTFS➣Progressive Technology Federal Systems (Bethesda, MD) |
| PTFS➣Progressive Technology Federal Systems (Bethesda, MD digital archiving) |
| PTFS➣Post-Traumatic Funk Syndrome (band) |
| PTFS➣Personal Touch Financial Services Ltd. (UK) |
| PTFS➣Precise Time & Frequency Standards |
| PTFS➣Portugal Fun Servers (website) |