No idea. I’m from oil boom country in the midwest and we had quite a few of these types of occ health DOT etc collection sites and there seemed to be enough to indicate decent demand. i know nothing of the business side though. it’s a good question.
we also have a phd with no clinical fellowship who opened up a testing site. it started with drug testing and has since expanded. somehow they were doing cbc‘s from some adult daycare center in arizona? their analyzer crashed so they asked our clinic lab to run samples for them one time. I know some med techs who worked there. it’s as sketch as it sounds. they don’t try to be shady, they just don’t know what they don’t know about clinical testing, qc, qa, proper validations, etc. like researcher only background only folks tend to be.