The term COMPANY ABBR. refers to abbreviations used to denote the type of company. CORP is an abbreviation for corporation, which is a legal entity that is separate from its owners and can be taxed, sued, and held liable. INC is an abbreviation for incorporated, which is a type of business structure that provides limited liability protection to its owners. LTD is an abbreviation for limited, which is a type of business structure that limits the personal liability of its owners.