The meaning of the Acronym PEI is...

PEI is

• PolyEtherImide
• Poly Ethylene Imine

More Meanings For PEI:

• Push Effective Indirect
• Push Effective Index
• Petroleum Equipment Institute
• PolyEtherImide
• Poly Ethylene Imine
• Photo Electronic Imaging
• Playboy Enterprises, Inc.
• Performance Evaluation Interview
• Pennsylvania Real Estate Investments
• Porcelain Enamel Institute
• Primary Engine Instrumentation
• Pereira, Colombia
• Prince Edward Island
• Progetto Educativo d'Istituto o Piano Educativo Individualizzato
• Progetto Educativo d'Istituto

PEI is also in:

• Airport Codes
• Assembly
• Canada Provinces
• Chemistry
• Firms
• General
• Hospitals
• Italian
• NASA
• NYSE Symbols
• Plastics
• Professional Organizations