Clipper Creek has been in the business for about as long as EVSEs have been needed by EVs. Rugged, no-frill devices, made in the USA (which is harder and harder to come by these days). If you want some frills, they may not be for you. Mine's over 4-years old, works as new, and I expect it to continue. ANd, no, I don't work for them or receive any benefit from saying that. At that time four years ago, there weren't all that many that were both made in the USA and had a UL approval.
2014 i3 BEV, 2021 X5 45e
(The i3 will be sold soon, <17K-miles, interested?)