The global plastic recycling landscape features several massive industrial enterprises and municipal processing leaders handling millions of tons of post-consumer and industrial waste annually. Prominent global corporations such as Veolia, SUEZ, and Republic Services operate extensive networks of advanced sorting, washing, and mechanical recycling facilities worldwide. Additionally, specialized pioneers like Biffa in Europe and massive packaging converters operate high-capacity recycling plants that process vast quantities of polyethylene terephthalate and high-density polyethylene, serving as foundational pillars of the global circular economy infrastructure.