The Blown Bitumen ecosystem comprises a tightly linked set of upstream, midstream, and downstream actors that together create and capture value from the production of oxidized bitumen. Upstream, raw material suppliers provide virgin bitumen, petroleum fractions, and additives that serve as the feedstock for oxidation processes. Midstream participants include technology providers that supply reactors, air‑blowing equipment, and process control systems, as well as system integrators that design and commission full‑scale oxidation plants. Downstream, distributors and channel partners transport the finished blown bitumen to construction firms, roofing manufacturers, and other end users. Service providers deliver testing, certification, and after‑sales support, while regulators define performance standards that shape product acceptance. This value chain analysis highlights how each segment contributes to product quality, cost structure, and market accessibility.