"投资公司"英文怎么翻译?

投资公司:
1. unit trust
2. investment house
3. investment corporation
4. investment company
5. investment firm
6. investment trust

信托投资公司
Unit trust
华侨投资公司
Overseas Chinese Investment Company
信贷投资公司
Loan Investment Company
国际信托投资公司
International Trust and Investment Company
中国专业投资公司
China National Specialized Investment Corporation
中国国际信托投资公司
China international trust&investment corporation
中国国际信托投资公司
China International Trust and Investment Corporation,CITIC
中国国际信托投资公司
China International Trust and Investment Corporation
中国国际信托投资公司
CITIC:China International Trust and Investment Corporation

楼上的都错啦
应该是
investment company
investment corporation
investment firm
investment house
都可以

invest company

investing company