I think quite a lot of companies are visa reliant. Amazon's H-1B issuance is up 78%.

https://www.mercurynews.com/2018/08/13/h-1b-use-skyrocketed-...

Meanwhile there are a bunch of northeast restaurants and crab houses who can't get H-2B seasonal workers at all, and very much need them - they're not getting Americans to do that work. http://www.wboc.com/story/38923157/empty-crab-houses-look-to...

Seems like a disproportionate increase on the one hand, and disproportionate decrease on the other hand.