To effectuate the formation of federations of nonprofit associations of producers, any association of producers is authorized to acquire membership or stock in any other association of producers and any association is authorized to grant membership or sell stock to the associations. Any association may, upon resolution adopted by its board of directors, enter into all necessary and proper contracts and agreements, and make all necessary and proper stipulations, agreements, and contracts with any other cooperative corporation, association, or associations, formed in this or in any other state, for the cooperative and more economical carrying on of its business, or any part of carrying on business. Any two (2) or more associations may, by agreement, unite in employing and using, or may separately employ and use, the same methods, means, and agencies for carrying on and conducting their respective businesses.