The Puffed Oat ecosystem comprises a defined upstream‑midstream‑downstream sequence that transforms raw oat grains into ready‑to‑eat puffed products. Upstream participants include agricultural growers and grain processors that supply whole oat kernels and ancillary ingredients such as sweeteners or fortificants. Midstream actors consist of equipment manufacturers, technology providers, and contract manufacturers that apply extrusion, high‑temperature puffing, and drying processes to generate the final product. Downstream, the output is distributed through wholesale channels, retail chains, and food‑service distributors before reaching end‑user categories like households, schools, and institutional cafeterias. Value is created through ingredient quality, processing efficiency, and brand differentiation, and is captured at each handoff where cost, margin, and product attributes are negotiated.