As a ME, I used to manage a lab in a large corporation. McMasterCarr is ingrained in the US engineering culture. Every lab has a 5 inch thick yellow catalog. A

As a ME, I used to manage a lab in a large corporation. McMasterCarr is ingrained in the US engineering culture. Every lab has a 5 inch thick yellow catalog. Also Thorlabs. Everytime I'd open their shipment, it'd include Lab Snacks™. I wrote about it here [1]. Both are awesome companies to deal with. [1] https://neil.computer/notes/thorlabs-lab-snacks/ https://neil.computer/notes/thorlabs-lab-snacks/