Marinus "Marty" Mulder started Mulder & Associates in January of 1979. In 1982, Ivan Maystead, Professional Surveyor, joined the firm. In 1992, Lucy Mulder assumed the duties of office manager. It has been a family operated business with Marty and Lucy's three daughters sharing business responsibilities for many years. Marty has been the Ionia County representative for the State Remonumentation since 1992.