TunnelContact.com is a networking community exclusively for the tunnel and underground space professionals. To protect this focus, TunnelContact.com is an invitation-only network.

As a TunnelContact.com member, you are able to invite any number of your colleagues or friends to be a member of our community.

It is very simple to invite other colleagues or friends to TunnelContact.com.

This is how you do it:

1- In the uppler left corner of the TunnelContact site, click on the 'Friends' symbol:

Clicking on the 'Friends' icon will take you to the 'Friends' screen.

2- Once you are on the 'Friends' screen, click on the 'Invite users' link (lower right corner of the screen):  

3- Now you are on the Invite screen.

Just enter an email address per line in the first box

and

a common message to your friends in the second box

and press the Invite button!