With Cloze you can search for people based on their work history.
Tip: Type "Help" in the search box for some search examples based on your contacts.
To see the complete work history for any contact tap on edit.
Scroll down to the Work History section.
Tap on the People section and then enter the company in the search box.
Or you can search using the phrase "Works for" to narrow your search results to just work history.