Darling Ingredients Inc., based in Irving, Texas, is dedicated to transforming animal by-products and used cooking oil into valuable commodities. The company offers services including the collection and recycling of animal processing by-products and used restaurant cooking oil, as well as grease trap collection for restaurants. These raw materials are processed into finished products such as tallow, meat and bone meal, and yellow grease, which are sold both domestically and internationally. Darling Ingredients aims to promote a circular economy by restoring purpose to millions of tons of material from the animal agriculture and food industries.

Darling Ingredients has made significant strides in sustainability, including plans to reduce emissions from its wastewater treatment plants by capturing biogas at some of its rendering facilities. This initiative aligns with their broader mission to nourish people, feed animals and crops, and fuel the world with renewable energy. The company's efforts contribute to reducing environmental impact while providing essential resources across various industries.