Samuel Taylor Coleridge

Sonic the Comic, a comic about the adventures of Sega's video game character, Sonic the Hedgehog.

Stability and Traction Control

St. Theresa's College

Sound transmission class

Scarborough Town Centre

Saudi Telecom Company

Standard Telephones and Cables

South Texas College

The Soundtrack Channel

Society for Technical Communication

Space–time code

Space Transport Corporation

Sydney Theatre Company, leading theatre company, Sydney, Australia

South Thames College

St. Cloud Regional Airport (IATA airport code)

Software Technology Corporation, later named SeeBeyond Technology Corporation

The Short-Title Catalogue of English printing, 1475-1640: see short title catalogue

Sydney Turf Club, horse-racing administration, Sydney, Australia

Cuban Workers' Solidarity or Solidaridad de Trabajadores Cubanos, a Cuban trade union.

SHAPE Technical Centre

Semiconductor Test Consortium [1]

Sensitivity Time Control, a Radar signal processing technique

Supplemental Type Certificate for a modified aircraft, which extends its basic Type Certificate of airworthiness - FAA term.

St. Thomas' College, Mount Lavinia is a private school in Sri Lanka.

STC Recordings, a record label

System Timing Controller, is for example a part of some Data Acquisition Systems (DAQ) from National Instruments.