Only show field type content added by user On my website I allow companies to add jobs, I allow a user to create one or more companies. When the user goes to add a job I have a drop down which lists all of the companies on the site, I want this drop down to only list the companies added by the user so they can choose which company they want to attach to the job. I can't find a way to do this via the manage fields screen. Below is a screenshot of my manage fields screen. Any help would be much appreciated!
I suggest you use views entity reference this link is good tutorial about it .

So first create a views that show the current user company items ( the companies that the author (creator) of them is current user)  then add "Entity reference" display to it , then in your field settings in "Entity Selection" instead simple mode use "Views :Filter by entity reference" Then select your created views entity reference then enjoy it ;)