Established in July 2005, STANDPRO TESTING CENTER OPC (STC) is a proudly Filipino-owned and operated institution delivering over 20 years of excellence in testing, inspection, auditing, and calibration. Registered with the Securities and Exchange Commission (SEC) as a One Person Corporation and certified by the Department of Trade and Industry (DTI), STC raises the bar for safety, compliance, and quality in the Philippine market and beyond.