JITS is when a service provides staffing service for on-site blue collar work. Workers may be freelancers or operate under a staffing agency. The work done through JITS is typically short-term/hourly work.
For example, JITS services are good for people who need someone to cover a manufacturing shift when someone calls in sick.
JITS used in a sentence: If you need someone for a small project tomorrow, then you can try our just-in-time staffing services.