Contact Us Online Your Name (required) Your Email (required) Subject Your Message Enter The Code Above Into The Field Below. Dennis J. Knox & Company, Inc. PO Box 4221 San Dimas, CA 91773 Dennis J. Knox President Phone: (909) 599-9632 Cell: (909) 927-7440 dknox@djkco.com Linked In Office Hours: 9:00AM – 5:00PM Monday – Friday