Maryland Code, Corporations and Associations § 5-524

(a) The board of directors of a cooperative by resolution may authorize the cooperative to enter into agreements for conducting its business with any other Maryland or foreign cooperative, association, or corporation formed on a cooperative basis.

(b) These cooperatives, associations, and corporations may agree to unite in using or may separately use the same methods, means, and agencies for conducting their respective business.

(c) These cooperatives, associations, and corporations may use common marketing agencies and their members may make any necessary agreements to effect these purposes.