Company: Irish Sign Co Market: North Dakota Headquarters: 2302 University Drive S. Fargo, ND 58103 Phone: 701-371-5018 Email: info@IrishSignCo.com Irish Sign Co is owned by Simon and Whitney Irish. They operate a digital billboard in Fargo, North Dakota. Pricing ranges from $325-500/week per slot. [wpforms id=”9787″] Paid Advertisement