Need purchasing group (EKGRP) details

Hi all.

I need the below details which pertains to buyer or purchase group (ekgrp).Can any pls let me know the data base tables which holds this information( buyer details or purchasing group details). Thanks in advance.

Buyer(Purchase Group).

First name

Last name

User Name in User Master Record

E-Mail Address

Profession

Plant

Telephone no.: dialling code+number

Thanks & Regards,

Sami