The meaning of the Acronym STP is...

STP is

• Surface Transportation Program
• Sailing To Philadelphia
• Seattle To Portland

More Meanings For STP:

• Standard Temperature and Pressure
• Science and Technology Policy
• Space Time Product
• Sanctae Theologiae Professor
• Student Top Performance
• Scientifically Treated Petroleum
• Software Technology Park
• Straight Through Processing
• Short Term Plan
• Small Team Project
• Strategic Technology Planning
• Same Ten People
• Scientificaly Treated Petroleum
• Studebaker Tested Product
• Stock Trade Platform

STP is also in:

• Chemistry
• Firms
• General
• Ocean Science
• Physics
• Products
• Stock Exchange
• Universities