The various firm types in the address book are used in different modules in Tekla PowerFab. Use the Firm Types command to quickly view the different firm types and where they can be used.

1. Go to Maintenance > Address Book.
   The Address Book dialog box opens and the Address Book ribbon tab appears.
2. Click the Address Book ribbon tab.
3. On the menu, select Firm Types.
4. In the Firm Types dialog box, review the firm types and where they can used in Tekla PowerFab.
5. To close the dialog box, click the Close button (X) in the upper-right corner.