Post and Telecommunications Company in Zimbabwe

Premature termination codon, the generation of a stop codon in a gene by mutation that results in a truncated protein

Parents Television Council

Pennsylvania Turnpike Commission

Радио-телевизија Србије, the Serbian name in Cyrillic of Radio Television of Serbia

Peachtree City, Georgia, United States

Positive Train Control

Portage Trail Conference, a high school athletic conference in northeast Ohio, United States

Paid To Click

Factor IX, a coagulation factor

Philadelphia Toboggan Company

Pakistan Telecommunication Company

Phenylthiocarbamide - An organic molecule either tasting very bitter or tasteless depending on genetic makeup.

Parametric Technology Corporation

Phase transfer catalyst

Presbyterian Theological Centre

RAF Personnel and Training Command

Polska Telefonia Cyfrowa - a Polish mobile phone network operator, whose main brand is Era

Psycho Trader Chinami

Presbyterian Theological College

Positive temperature coefficient resistor

Partit del Treball de Catalunya, the Catalan name of Party of Labour of Catalonia

Percutaneous transhepatic cholangiography, medical imaging of the bile duct

Princeton Triangle Club, Princeton University's famed musical comedy troupe

Public Transport Corporation, public transport and railway operator in Victoria, Australia