| Acronym | Definition |
|---|
| PTLC | Parque Tecnológico del Litoral Centro (Spanish: Central Coast Technology Park; Argentina) |
| PTLC | Personal Touch Lawn Care (Georgia) |
| PTLC | Penske Truck Leasing Corporation (various locations) |
| PTLC | Precision Technologies LLC (Cumming, GA) |
| PTLC | Power-Limited Tray Cable (electrical equipment) |
| PTLC | President's Teaching and Learning Collaborative (Colorado) |
| PTLC | Preparative Thin Layer Chromatography |
| PTLC | Polity Themes in 20th and 21st Century Literature (Suman Gupta book) |
| PTLC | Philadelphia Teachers' Learning Cooperative (Philadelphia, PA) |
| PTLC | Phonetics Teaching and Learning Conference |
| PTLC | Powertown Line Construction (Seffner, FL) |
| PTLC | Phase Transitions in Logic and Combinatorics (research project) |
| PTLC | Portland Taiwan Lutheran Church (Portland, OR) |
| PTLC | Petroleum Communication Holdings, Inc. |
| PTLC | Public Transport Liaison Committee (UK) |
| PTLC | Pakistan Tax Law Consultants (est. 1982) |
| PTLC | Power Transfer Load Center |
| PTLC | Parkstone Trades & Labour Club (UK) |
| PTLC | Pre-Treatment Losses to Care (medical treatment avoidance) |
| PTLC | Professional Legal Training Course |
| PTLC | Professional Teaching and Learning Center (Palm Beach State College; Lake Worth, FL) |
| PTLC | Prime Time Lacrosse Camp |
| PTLC | Parent-Teacher Liaison Committee (various locations) |