Darling Ingredients

Darling collects animal by-products and used cooking oil from food production and butchering facilities, then processes them into specialty proteins, fats, gelatin, and low-carbon feedstocks. The firm sells proteins and fats to pet food and livestock feed manufacturers, collagen and gelatin to pharmaceutical and food producers, and rendered fats and oils to biofuel refiners. Its Diamond Green Diesel venture converts a significant portion of these feedstocks into renewable diesel for the transportation market.

Diamond Green Diesel (DGD) is a 50/50 joint venture between Darling Ingredients and Valero Energy that operates renewable diesel refineries in Louisiana and Texas. DGD uses animal fats and used cooking oil supplied by Darling as feedstock, turning a low-value waste stream into a high-value low-carbon fuel. As of September 2023, DGD had returned over $5.4 billion in cumulative cash distributions to Darling since operations began, making it a primary driver of the firm's earnings and market capitalization.

A significant portion of Darling's fuel segment income is linked to government low-carbon fuel standards and renewable fuel mandates, including the U.S. Renewable Fuel Standard and California's Low Carbon Fuel Standard. These programs generate tradable environmental credits, which Darling monetizes through its DGD joint venture. While the credits provide substantial revenue, changes in policy or credit pricing represent a material risk factor to segment earnings.

The 2013 acquisition of VION Ingredients for roughly $2.2 billion doubled Darling's size and gave it a major operational presence in Europe, China, and South America. It also moved the firm deeper into higher-margin food ingredients — specifically gelatins, collagen peptides, and natural casings — diversifying revenue beyond its traditional North American feed and fuel markets. The deal marked the transition from a regional renderer into a global specialty ingredients processor.

Chairman and CEO Randall C. Stuewe has led the firm since 2003 and is the primary architect of its acquisition-driven consolidation strategy. Capital allocation decisions — including the VION Ingredients merger, facility expansions, and return of capital through the DGD joint venture distributions — are executed by Stuewe and the senior leadership team under the oversight of the publicly traded company's board of directors.

No. Despite its origins as a family business in the 19th century, Darling Ingredients is a publicly traded corporation listed on the New York Stock Exchange under the ticker DAR. It is operated as a global industrial company with institutional shareholders, not a family office. The founding family is no longer involved in management or day-to-day control.

Darling processes animal by-products — bone, blood, feathers, fat, and protein trimmings — from slaughterhouses and meat packers, used cooking oil from restaurants and food manufacturers, and bakery waste such as stale bread and dough. The firm also manages carcass disposal and hide processing. Nothing is processed for direct human consumption; outputs are sold as feed ingredients, pet food components, collagen, gelatin, and fuel feedstocks.