Hand-held computer Hand-held computer is a computer that is smaller than notebooks and used primarily to collect field data.
Privately held corporation Privately held corporation is a corporation that has only a few stockholders and whose stock is not available for sale to the general public.
Publicly held corporation Publicly held corporation is a corporation that may have thousands of stockholders and whose stock is regularly traded on a national securities exchange...
Closely held corporation Closely held corporation is a corporation in which the voting stock is held by a small number of individuals and is very thinly or infrequently traded.