Jjbiv From United States of America, joined Jan 2001, 1226 posts, RR: 5
Reply 5, posted (12 years 2 months 1 week 4 days 15 hours ago) and read 1650 times:
FedEx is actually a DBA/brand name. Federal Express is still the certificate holder and official company name, so I suppose you could view it as a similar contraction. However, before the "name change," FedEx flights used "Express" on the radio.