The Animal Rendering ecosystem comprises a tightly coupled set of upstream, midstream, and downstream actors that transform animal by‑products into usable fats, proteins, and minerals. Upstream, raw‑material suppliers—primarily livestock processors, slaughterhouses, and waste‑collection firms—provide off‑cuts, hides, and organs. Midstream participants include rendering facilities, technology providers (e.g., heat‑recovery and separation equipment), and system integrators that convert raw inputs into standardized commodities. Downstream, distributors, specialty processors, and end‑user industries such as animal feed manufacturers, biodiesel producers, and fertilizer companies purchase the rendered outputs. Value is captured through volume‑based processing fees, commodity sales, and ancillary services such as waste‑management compliance.