robroy:
(Dare I say it ?..unless maybe if it’s unionised.)
Or specialised. Much of my sector (animal feeds) is own-account on the delivery side though some of the simpler drops can be contracted out, but a combination of needing the right vehicles (bulk blowers/tankers and Moffett-equipped rigids) as well as knowledge of the particular quirks and pitfalls of farm deliveries, and the fact that it’s quite seasonal, mean that most keep it in-house.