Yes. Both products even compliment each other; using the button “EEP-facilities import” you can add facilities from the equipment folder in EEP train.exe Expert and import the list.
Home » 8. EEP Train Simulator Mission » 8.1 Installation and Deinstallation » Can I use the EEP Train Simulator Mission alongside the EEP train.exe without interference or disturbing each other’s processes on my computer?