If you are unable to mark a Vendor as Awarded because you don't seethe option in the Actions menu as shown below:
Then it's possible the Project has not yet been marked Complete.
To move your Project to the Completed stage, click Actions on the Details page and select Mark as Completed:
Once your Project is in the Completed stage, you can select Award from the dropdown beside any of the Submissions to your Project! For more details on awarding a vendor, please click here.