Here are some well-known brands that produce business and productivity tablets:

– Amazon (Fire Max series for budget-friendly business use)
– Apple (iPad Pro series)
– Dell (Latitude 2-in-1 series)
– HP (Elite x2 series)
– Lenovo (ThinkPad X1 Tablet, Tab P series)
– Microsoft (Surface Pro series)
– OnePlus (OnePlus Pad series)
– Samsung (Galaxy Tab S series)

These tablets are designed for professionals who need portability, performance, and productivity tools on the go.