Google is a public company. Its ticker symbol is GOOG and it's traded in the U.S. on the NASDAQ stock exchange.
Note that Google constantly buys up private companies, over 30 private companies bought by Google last year. But Google itself is publicly-traded.
yes
A private company differs from a public company by how it does its research. A public company can dip into public capital markets as to where private companies cannot.
public company
Private
Mars is a private company.
Godrej is a private company.
ConocoPhillips is a Public company.
No, a private company remains private even if a public company holds a percentage of its paid-up capital. The status of a company as public or private is determined by its articles of association and the provisions of the Companies Act in the relevant jurisdiction.
private
It is a private company.
Reliance is a private sector but public limited company.
Public
Public.