In the organizations that I’ve worked at (around 100 people), sourcing is done by the purchasing department. After some quality engineers give the green light o

In the organizations that I’ve worked at (around 100 people), sourcing is done by the purchasing department. After some quality engineers give the green light on a few shipments to make sure the parts are good, the vendor is trusted and more of their parts can be purchased. Manufacturers usually try and stay with the vendors they have for parts because the vendors are trusted to give quality parts, have relationships, and lines of credit already established. Basically reduces risk of getting junk and investing more time and money to find something that works.