To cite a company website as part of a research paper would be the same way as you would cite any website.
MLA style:
Entire website:
Editor, author, or compiler name (if available). Name of Site. Version number. Name of institution/organization affiliated with the site (sponsor or publisher), date of resource creation (if available). Date of access.
Page on a website:
"Title of page." Name of Website. Publisher of website, date of publication. Accessed date
Example:
"Company Overview and Strategy." Microsoft Investor Relations. Microsoft, 2015.30 July 2015.
APA style:
Author, A. A., & Author, B. B. (Date of publication). Title of document. http://Web address
If no author is available, begin with the title of the webpage.
Company overview and strategy. (2015).
http://www.microsoft.com/investor/CompanyInfo/Overview/default.aspx
For more on MLA citation formats, please access the Berkeley College's Writing and Citing LibGuide - MLA citations link from the CAS tutoring center. For more on APA citation formats, please access the Writing and Citing LibGuide - APA citations link.