There is no reliable public list of companies with US-based customer support, and there cannot be. Why, how to actually check a specific company in twenty minutes, what US law does and does not require about disclosing support location, and the honest tradeoffs on both sides.
Repetitive Customer Support Emails? Fix Them in This Order
Most founders answering their own tickets do not have a volume problem, they have a repeated-question problem. The ordered fix – eliminate, deflect, template, automate, delegate – with Shopify order-status specifics, macros that do not read canned, and an honest read on AI support agents.