What does PEX stand for?

Patient Resource Exchange - Medicine - New York State (EDAA)

Per Example

Petats - Language code (ETLW)

PetroCorp, Inc. - AMEX symbol (SPSG)

Phenazine Ethosulfate - Biochemistry

Phigs Extension tox

Pituitary Extract (SAUS)

Potomac Eagle Scenic Rail Excursion - Federal Railroad Administration identification code

Private Electronic Exchange - Telecommunications (IAA)

Projectable Excitation (SAUS)

Pronto Explorations Ltd. - Vancouver Stock Exchange symbol

Pseudoexfoliation (SAUS)

World Aircraft Flight Operation, Inc. - ICAO designator (FAAC)

Peak Exercise (DMAA)