LANDMARK COMPANIES CONTACT US Questions? Need a Service? Contact us for the services you need. If we miss your call for any reason, we’ll get back to you within 48 hours. Landmark Companies Corporate Headquarters935 37th Ave SSuite 228Moorhead, MN 56560(218) 284-2936 Mon – Fri:Sat – Sun:8:00 am – 5:00 pmClosed