Who invests in commodities?

Who invests in commodities?
a. Investors.
b. Producers / Farmers.
c. Importers / Exporters.
d. Commodity financers.
e. Agricultural credit providing agencies.
f. Hedgers, speculators, arbitrageurs.
g. Large scale consumers. For e.g. refiners, jewelers, textile mills
h. Corporate having risk exposure in commodities.