An association may be organized to engage in any activity in connection with:

1. (1) The producing, marketing or selling of the agricultural products of its members;
2. (2) The harvesting, preserving, drying, processing, canning, packing, storing, handling, shipping or utilization thereof;
3. (3) The manufacturing or marketing of the by-products thereof;
4. (4) The manufacturing, selling or supplying to its members of machinery, equipment or supplies;
5. (5) The financing of the above-enumerated activities; or
6. (6) More than one of the activities specified herein.