if this expands to some scrapped companions like Sydney
Sydney [Good Karma] Raiders of the Old World: Sometimes, Exploring the Wasteland as the Lone Wanderer/Courier is Boring, Thats why Sydney is always there to be your Lovely Guide and Survivalist!, Caps and Ammo Drop Rate are Increased by 10%(stacks with Fortune Finder and Scounger), you may craft food without Survival perks for a Day(all survival based foods like Brahmin steaks and etc).
(if you found her Father's Holotape) Daddy's SuperGirl: Sydney Finally found peace with her Late father, She ignores -10DT if using 1h or 2h Automatic Weapons(shoulder Mounted Machineguns and Nailguns Included), also she may repair items to full health or craft Special Ammo if she's closer to an Ammo/Repair Desk(5 days Cooldown).