What does EJB stand for?

Alaska Marine, Eagle River, AK - Manufacturer code for watercraft hull identification number (USCG)

Ectopic Junctional Beat - Cardiology

Enterprise Java Beans (VLIE)

Enterprise JavaBeans - A server side component for java platform (CAL)

Environmental Protection Agency, Headquarters Library, Washington, DC - OCLC symbol (OCLC)

European Journal of Biochemistry (SAUS)