Sage import for multiple company codes

I import a CSV file for daily deposits.  I import for over 30 different companies.  The company codes consist of all numbers, all letters or a combination of letters and numbers. 

Our current code is for company codes that have numbers only:


sComp = Right("000" & sComp,3)

retVal = oss.nSetCompany(sComp)

How do I get Sage to recognize company codes for combinations of numbers and letter?