There is no way to get the sterling jewelers epayroll company code. That is private information that would only be on their tax forms and with the IRS only.
For epayroll it is 10639.
10973 is the company code
13215
11203
90512
what is the company code for tractor supply?
11326
I found the company code now, it is 13363!
10639
https://verify.theworknumber.com/cgi-mv/twndatabase_secure.asp
Employee's social security number
Go to http://www.theworknumber.com/employees/. Find the company number from the link under the entry field.