Looking on the internet deeply has found these results:

work for is the most popular phrase on the web.

work at 18,820,000 results on the web	work for 1415,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Discover your place at Vanderbilt University and Medical Center. Located in Nashville, Tenn., and operating at a global crossroads of teaching, discovery and ... Oct 14, 2012 ... “To work for” vs. “to work in” vs. “to work at” [closed] .... “Work at home” vs. “work from home” · 1 · Work on or work with? 3 · “Work on the field” vs. to exert effort in order to do, make, or perform something; "the child worked at the multiplication table until she had it down cold". work on. Verb, 1. work at Work at Chase · Search Jobs · Job Areas · Student Programs ... Work at Chase · Search Jobs · Job Areas · Student Programs · Meet Chase · Businesses · Culture ...	It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

work at

18,820,000 results on the web

work for

1415,000,000 results on the web

More popular!

Discover your place at Vanderbilt University and Medical Center. Located in Nashville, Tenn., and operating at a global crossroads of teaching, discovery and ...
Oct 14, 2012 ... “To work for” vs. “to work in” vs. “to work at” [closed] .... “Work at home” vs. “work from home” · 1 · Work on or work with? 3 · “Work on the field” vs.
to exert effort in order to do, make, or perform something; "the child worked at the multiplication table until she had it down cold". work on.
Verb, 1. work at
Work at Chase · Search Jobs · Job Areas · Student Programs ... Work at Chase · Search Jobs · Job Areas · Student Programs · Meet Chase · Businesses · Culture ...

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.