EPS

Computers and technology

• Electric power steering, a type of power steering system used in cars
• Entry-Level Power Supply Specification, an alternative to ATX Power Supply Units for computers
• Electronic Payment Services, the largest electronic payment system in Hong Kong, Macau and Shenzhen
• Electronic Payment System, a Chip and PIN payment system that extends the supermarket and general sales applications of IBM's 4690 retail operating system
• Electronic Prescription Service, a service that is part of the NHS in Britain
• Encapsulated PostScript, a graphics file format
• End point security, a computer security concept in which each device is responsible for its own security
• Ensoniq EPS, a sampler manufactured from 1988 to 1991
• EUMETSAT Polar System, a satellite system launched by Eumetsat
• Express Payment System, the EFTPOS system for ATM cardholders of banks who are affiliated with the Expressnet interbank network in the Philippines

Medicine and chemistry

• Electrophysiologic study, a test of the electrical conduction system of the heart performed by a cardiac electrophysiologist
• Expanded polystyrene, a plastic made from styrene with voids in it
• Extracellular polymeric substance, sticky organic matter produced by microorganisms
• Extrapyramidal symptoms, a group of side effects commonly caused by antipsychotic drugs

Government, police and military

• Edmonton Police Service, responsible for policing in the City of Edmonton, Alberta
• Ejército Popular Sandinista, the Sandinista Popular Army of Sandinista-era Nicaragua
• Executive Protective Service, a former division of the United States Secret Service

Societies and organizations

• European Physical Society, an organization whose purpose is to promote physics and physicists in Europe
• Environmental Law Service (Ekologický právní servis), a Czech non-governmental organization

Other

• Earnings per share, a stock market concept
• Elektroprivreda Srbije, electric power industry of Serbia
• Elizabeth's Percentage System, a mathematical formula developed by Elizabeth Zimmermann to determine how many stitches to cast on for a sweater
• European Passenger Services, now named Eurostar (U.K.) Ltd.
• European Political Science, a political science journal sponsored by the ECPR
• Expanded polystyrene, a foam product consisting of polystyrene and a gas

Eps

• Eps, Pas-de-Calais, a commune of the Pas-de-Calais in northern France