PTC

various organisations:

• Pacific Telecommunications Council
• Pakistan Telecommunication Company
• Parametric Technology Corporation, a product lifecycle management CAD software and maangement corporation.
• Parents Television Council
• Partit del Treball de Catalunya, the Catalan name of Party of Labour of Catalonia
• Pennsylvania Turnpike Commission
• Philadelphia Toboggan Company
• Polska Telefonia Cyfrowa, a Polish mobile phone network operator, whose main brand is Era
• Post and Telecommunications Company in Zimbabwe
• Postal Technology Centre, international organisation
• Portage Trail Conference, a high school athletic conference in northeast Ohio, United States
• Presbyterian Theological Centre
• Presbyterian Theological College
• Princeton Triangle Club, Princeton University's famed musical comedy troupe
• Professional Teachers Council NSW, in New South Wales
• Public Transport Corporation, public transport and railway operator in Victoria, Australia

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

a city:

• Peachtree City, Georgia, United States

or various concepts or techniques:

• Paid To Click
• Percutaneous transhepatic cholangiography, medical imaging of the bile duct
• Peruvian Torch Cactus
• Phase transfer catalyst
• Phenylthiocarbamide, an organic molecule either tasting very bitter or tasteless depending on genetic makeup.
• Photon Transfer Curve
• Plant tissue culture, the growth of plant cells, tissues or whole plants on nutrient-rich, sterile media.
• Positive temperature coefficient resistor
• Positive Train Control
• Postal Technology Centre
• Premature termination codon, the generation of a stop codon in a gene by mutation that results in a truncated protein
• Production Tax Credit, a tax credit provided by the government to renewable energy producers
• Protected Telescoping Catheter
• Psycho Trader Chinami
• RAF Personnel and Training Command
• Pass-Through Certificates