Our Locations Thank you for your interest in the Jillson Company, if you have any questions or need further assistance, please give us a call or send us an email. Kevin O'Leary, Professional Engineer Owner 781.400.5946, ext 1 [email protected] Mailing Address The Jillson Company, Inc.32 Fremont Street Suite 200Needham Heights, 02494 Questions? Contact Us! Name Email Phone Number Message Send Trust Your Local Civil Engineering Experts The Jillson Company is Ready to Take On Your Next Project. Request a free estimate