A static list of company names has limited commercial value in a technical intermediate market like polyester polyol. The material is not a single commodity; it is a family of hydroxyl-terminated polymers whose grade, molecular weight, acid value, and formulation logic must align with the buyer’s blowing agent, catalyst system, and end-use performance targets. A foam producer running a pentane-blown appliance line and a CASE formulator developing a hydrolysis-resistant adhesive may both purchase “polyester polyol,” but they are not buying the same product or evaluating suppliers on the same criteria. The more useful approach is to treat the global buyers list as a segmented demand map—a structured view of who…