If someone has ever been affiliated with a company (and has put this affiliation on their Facebook profile), you will be able to find it using the Facebook company search page.
Ọ bụrụ na onye ọ bụla ejikọtara na ụlọ ọrụ (ma tinye njikọ a na profaịlụ Facebook), ị ga-enwe ike ịchọta ya site na iji ibe weebụ Facebook.