Groups of men formed large companies and began buying land in the area.

VOA: special.2009.02.11

Now they rent them out to other groups of, or other corporations, other companies.

现在他们已经把房子租给其它企业或者公司了。

旧金山的报纸 - SpeakingMax英语口语达人

Some of the northern groups were companies called emigrant aid societies.

VOA: special.2009.04.30