The largest of those three will be focused on materials, including plastic resins. It will retain the Dow name and be based in Midland, where Dow had been based. The other two spinoff firms — one devoted to agriculture and the other to specialty products — both will be based in Wilmington, Delaware, where DuPont had been based. The merger transaction is expected to generate cost synergies of approximately $3 billion and growth synergies of approximately $1 billion. Dow's plastics history dates back more than 70 years, while DuPont's goes back even further, beyond 90 years. Dow is a world leader in polyethylene, while DuPont is a top producer of nylon and other specialty plastics.