| Acronym | Definition |
|---|
| MTSC➣Mt. Sierra College (Monrovia) |
| MTSC➣Maintenance Technical Support Center (US Postal Service, Norman, OK) |
| MTSC➣Michigan Truck Safety Commission |
| MTSC➣Memory Time Switch CMOS |
| MTSC➣Maine Transportation Safety Coalition |
| MTSC➣Minimum Total Squared Correlation |
| MTSC➣Magnetic Tape Selectric Composer (IBM equipment for typesetting) |
| MTSC➣Midland Training and Simulation Centre (UK) |