International Petroleum Exchange 
Industrial Plant Equipment 
Intelligent Peripheral Equipment 
individual plant examination 
Institute of Power Engineers 
Integrated Programming Environment 
Individual Plant Examinations 
Individual Protection Equipment 
Individual Protective Equipment 
individualized plan for employment 
Initial Pointing Error 
INTERPRET PARITY ERROR 
idiopathic partial epilepsy 
Image processing engine 
Immune polioencephalomyelitis 
Immunization Program Evaluation 
Improved Performance Engine 
Individual Plan for Employment 
Individual plant evaluation 
Individual Protection Ensemble 
individual protective clothing 
Industrial and Production Engineering 
Industrial Production Engineering 
Information Processing Equipment 
Infrastructure Professionals Enterpris… 
Institut de Physique Expérimentale 
Institute of Physics of the Earth 
Institution of Plant Engineers 
Institution of Production Engineering 
Institution of Professional Engineers