100 series = HR;  110 series = Affirmative Action; 200 series = Marketing;  300 series = Operations;  310 series = Preconstruction; 320 series = Project Controls ;  325 series = Procurement;  350 series = Safety;  360 series = Training;  410 series = Fleet;                  600 series= IT;  810 series = Accounts Payable; 820 series = Accounts Receivable; 900 series = Legal; 

 S350 series = Safety (Spanish)