The Polyetheretherketone Interference Screws ecosystem comprises a tightly coupled set of upstream, midstream, and downstream actors that collectively transform high‑performance polymer feedstock into surgical fixation devices. Upstream, specialty polymer manufacturers supply medical‑grade PEEK resin and additive compounds required for biocompatibility. Midstream participants include component fabricators, original equipment manufacturers (OEMs), and technology providers that convert resin into precision‑machined screws through injection molding or CNC machining. Downstream, distributors, hospital procurement channels, and clinical service organizations deliver the finished screws to orthopedic and spinal surgeons, who apply them in fusion procedures. Value is created through material purity, manufacturing tolerances, regulatory compliance, and clinical performance, and is captured by each tier through contract pricing, licensing, and service agreements.