I've been diggin Fed Biz Ops to see what our government has been awarding contracts for recently. I came across this as I was looking for ventilators and fans.

NSWCPD Building 666, Installation of New Exhaust Fan

https://beta.sam.gov/opp/9670ecae0935417587b32fd2ea0d0c74/view?keywords=fan&sort=-modifiedDate&index=&is_active=true&page=1