7631 Commerce Street
P.O. Box 19
Hamel, MN 55340
6815 McKinley Street NW
Ramsey, MN 55303
MDNA is an international, nonprofit trade association dedicated to
the promotion of the used machinery industry. It was established in 1941
to assure buyers of the integrity and reliability of hundreds of used
machinery dealers from around the world that are members of our
The foundation of the MDNA is our Code of Ethics. As a condition of membership, MDNA members agree to abide, unequivocally, by the terms of the Code, and renew this pledge annually. The Code is policed by the association's membership. Complaints brought from alleged Code violations are handled by the MDNA's Ethics & Mediation Committee. Severe violations have resulted in expulsion from the MDNA.
MDNA member dealers offer trust, integrity, and the most extensive selection of used machinery in the world. We encourage you to take advantage of the benefits of buying from an MDNA dealer.