Member List Go back to directory. Add to Address Book. Jeffrey L. Ott Ott Consulting Inc. 222 Main Street Emmaus PA 18049 work Work Phone: 610.928.4690work Work Fax: 610.928.4695workfax Cell Phone: 484.553.1916cell Work Email: JOtt@OttEng.comINTERNET Categories: Members Updated 2 years ago.