1) ITT or AT&T 2) An NCO 3) AOL or IBM 4) Big bus 5) Big business, cut 6) Business firm 7) Business organisation 8) Chartered grp 9) Corporation 10) Firm 11) House 12) IPO funding recipient 13) It has an EIN 14) NASDAQ listing 15) NYSE listing 16) One with an EIN, often 17) Part of BBC 18) Part of gmc Found on https://www.crosswordclues.com/clue/corp
Widely used US abbreviation for... <a target=_blank href='http://www.finance-glossary.com/terms/corp.htm?id=12693&ginPtrCode=00000&PopupMode=false' title='Read full definition of corp'>more</a>
Found on http://www.finance-glossary.com/pages/home.htm