These companies make unprepared food, like frozen food, canned soup, baking mixes, etc.

These companies raise hogs and pigs.

These companies produce systems that provide farmers with specific information regarding their agricultural production and sell them through wholesalers or distributors.

These companies distribute propane and butane to diversified customers. They also distribute heating oil and fuel to customers.

These companies manufacture equipment that produces diversified industrial gases sell directly to their customers.

These companies manufacture gases (such as carbon dioxide, nitrogen, and helium) that are used in industrial processes and sell directly to their customers.

These companies produce hydrogen fuel and sell directly to their customers.

These companies produce recycled metals for diversified products.

These companies manufacture biofuels (such as biodiesel) and sell them through wholesalers or distributors.

These companies produce polymerized chemicals that have not yet had additives added. These are the output when individual intermediate building blocks are bonded into long chains called polymers. Without added additives, these polymers are not in their functional form. Often they will be called polymer resins or have the prefix poly.

These companies manufacture diversified electronic materials for equipment such as semiconductors, screens, and solar panels, and sell directly to their customers.