We didn't get any help from the vendor. I was certified to handle the solution and did the setup myself. 

We did it ourselves.

Our in-house team did the implementation.

We handled the implementation in-house. We had a team that did it. We didn't need any outside consultants or integrators.

I personally deployed most of the endpoints because it supports offline deployment. We also use Active Directory, so we were able to deploy over Active Directory.