Intenta asi:
local oSay1,oSay2,oSay3,oSay4
REDEFINE FOLDER oFld1 ID 210 OF oDlg ;
PROMPT "Empresa"
REDEFINE SAY oSay1 ID 500 OF oFld1
REDEFINE SAY oSay2 ID 501 OF oFld1
REDEFINE SAY oSay3 ID 502 OF oFld1
REDEFINE SAY oSay4 ID 503 OF oFld1