Power Mover Trailer Dolly - Oceanside CA

For years I have been using a well engineered 3-wheel ac powered trailer dolly purchased used but sold originally by a California company called Power Movers. I am interested in a wider based wheel base version they offered at one time but this company has changed its name (now kaadengineering.com) and the last time I tried to contact this business via the listed phone number I did not hear from them.

Their address is 227 Via El Centro, Oceanside CA, 92058.

I am wondering if anyone from the Oceanside CA (or elsewhere) is familiar with this business and has had recent contact with them.