Open House – Williston Office Jun 26, 2019 11:00am - 1:00pm Moore Engineering – Williston Office Come and celebrate with us!We are hosting an open house and ribbon cutting at our Williston office.Join us Wednesday, June 26, from 11 a.m. to 1 p.m. for a grilled burger lunch! Event Location Loading Map.... Moore Engineering – Williston Office 1411 West Dakota Pkwy Williston, ND 58801 48.1566752 -103.65013049999999