| Company name | Region | Location | Material | Capacity kt | Expansions planned; kt |
| Lyondell Petrochemical Co | Americas | Channelview, Texas | Polyols | 145 | |
| Lyondell Petrochemical Co | Americas | Bayport, Texas | PO | 552 | Bayer has 'right to buy' 730 ktpa of PO |
| Lyondell Petrochemical Co | Americas | Channelview, Texas | PO | 509 | |
| Lyondell Petrochemical Co | Asia-Pacific | Chiba, Japan | PO | 150 | |
| Bayer AG | Asia-Pacific | Taiwan | Polyether polyols | 34 | Former Lyondell unit |
| Lyondell Petrochemical Co | Europe | Fos sur Mer, France | PO | 200 | |
| Bayer AG | Europe | Fos sur Mer, France | Polyether polyols | 136 | Former Lyondell unit |
| Lyondell Petrochemical Co | Europe | Botlek, NL | PO | 245 | |
| Lyondell Petrochemical Co | Europe | Maasvlakte, NL | PO | 285 | By 2000 |
| Bayer AG | Europe | Rieme, Belgium | Polyether polyols | 75 | Former Lyondell unit |
| Bayer AG | Asia-Pacific | Indonesia | Polyols | 34 | Former Lyondell unit |
| Asahi Electrochemical | Asia-Pacific | | Polyether polyols | 30 | |
| Asahi Electrochemical | Asia-Pacific | | Polyester polyols | 6 | |
| Asahi Glass | Asia-Pacific | | PO | 80 | |
| Asahi-Olin | Asia-Pacific | | Polyether polyols | 60 | |
| Atochem SA | Americas | Channelview, Texas | Poly BD | ? | |
| Atochem SA | Europe | Lavera, France | Poly BD | 4 | |
| Basell | Europe | Moerdijk, NL | PO | 250 | 50/50 JV with BASF/Shell |
| BASF Group | Americas | Geismar, LA | Polyether polyols | 195 | Total with W'dotte - see also Basell entries |
| BASF Group | Americas | Wyandotte, MI | Polyether polyols | 195 | Total with Geismar |
| BASF Group | Americas | Lerma, Mexico | Polyether polyols | 50 | 55 in 2001; JV with Polioles SA de CV (50:50) |
| BASF Group | Europe | Schwarzheide, Germany | Polyether polyols | 100 | |
| BASF Group | Europe | Schwarzheide, Germany | Polyester polyols | 55 | |
| BASF Group | Europe | Zingonia, Italy | Polyester polyols | 45 | |
| BASF Group | Europe | Antwerp, Belgium | Polyether polyols | 135 | |
| Bayer AG | Europe | Apichem SpA, Mussolente, Italy | Polyol systems | | |
| Dai-Ichi Kogyo Seiyaku | Asia-Pacific | | polyether polyols | 18 | |
| Dainippon Ink & Chemicals | Asia-Pacific | | Polyether polyols | 14.4 | |
| Dow Chemical | Americas | Freeport, Texas | PO | 630 | |
| Dow Chemical | Americas | Freeport, Texas | Polyether polyols | 450 | |
| Dow Chemical | Americas | Plaquemine, Louisiana | PO | 285 | |
| Dow Chemical | Americas | Sarnia, Canada | Polyether polyols | 68 | |
| Dow Chemical | Americas | San Lorenzo, Argentina | Polyether polyols | 35 | |
| Dow Chemical | Americas | Dow Quimica SA, Aratu, Brazil | PO | 90 | |
| Dow Chemical | Americas | Dow Quimica SA, Guaruja, Brazil | Polyether polyols | 95 | |
| Dow Chemical | Americas | Dow Quimica SA, Cartagena, Colombia | Polyether polyols | 15 | |
| Dow Chemical | Asia-Pacific | Altona, Australia | Polyether polyols | 42 | |
| Dow Chemical | Asia-Pacific | Map Ta Phut, Thailand | Polyether polyols | 18 | |
| Dow Chemical | Asia-Pacific | Taiwan | Polyether polyols | 25 | |
| Dow Chemical | Asia-Pacific | Ningbo, China | Polyether polyols | 20 | |
| Dow Chemical | Europe | Stade, Germany | PO | 230 | |
| Dow Chemical | Europe | Zwindrecht, Holland | Polyether polyols | 50 | |
| Eastman Chemical Co | Americas | Conroe, Texas | Polyether polyols (toll) | ? | |
| Dow Chemical | Europe | Terneuzen, Holland | Polyether polyols | 260 | |
| Dow Chemical | Europe | Antwerp, Belgium | Polyether polyols | 50 | |
| Dow Chemical | Europe | Tarragona, Spain | Polyether polyols | 58 | |
| EniChem Polimeri | Europe | Priolo, Italy | PO | 100 | |
| EniChem Polimeri | Europe | Priolo, Italy | Polyether polyols | 80 | |
| EniChem Polimeri | Europe | Tertre, Belgium | Polyether polyols | 50 | |
| Hannam Chemical Co | Asia-Pacific | | Polyether polyols | 20 | |
| Hoocker SA | Europe | Barcelona, Spain | Polyester polyols | 3 | |
| Hoocker SA | Europe | Barcelona, Spain | Polyester polyols | 12 | |
| Huntsman Chemical Corp | Americas | Port Neches, Texas | PO | 300 | |
| Huntsman Polyurethanes | Americas | Geismar, LA | Polyether polyols | ? | |
| Huntsman Polyurethanes | Americas | Buenos Aires, Argentina | Systems / Polyether polyols | | |
| Huntsman Polyurethanes | Asia-Pacific | Botany, Australia | Polyether polyols / Polyesters | ? | |
| Huntsman Polyurethanes | Asia-Pacific | Ennore, India | Polyether polyols blending | | |
| Huntsman Polyurethanes | Asia-Pacific | Tokuyama, Japan | Polyester polyols | ? | |
| Huntsman Polyurethanes | Asia-Pacific | Kuan Yin, Taiwan | Polyether polyols / MDI systems | | |
| Huntsman Polyurethanes | Europe | Wilton, UK | Polyether polyols / Intermediates / Systems | ? | |
| Huntsman Polyurethanes | Europe | Rozenburg, NL | Polyether polyols | 20 | |
| Huntsman Polyurethanes | Europe, S. Africa | AECI, S Africa | Polyether polyols | 20 | |
| Kao Corp | Asia-Pacific | | Polyether polyols | 8 | |
| Korea Polyol Co | Asia-Pacific | | Polyether polyols | 40 | |
| Mitsui Toatsu | Asia-Pacific | Chiba, Japan | Polyether polyols | 85 | |
| Mitsui Toatsu | Asia-Pacific | Nagoya, Japan | PO | 85 | |
| Mitsui Toatsu | Asia-Pacific | Nagoya, Japan | Polyether polyols | 16 | |
| Mitsui Toatsu | Asia-Pacific | Nagoya, Japan | Polyether polyols | 5 | |
| Mitsui Toatsu | Asia-Pacific | Chiba, Japan | Compounds | 36 | |
| Mitsui Toatsu | Asia-Pacific | Nagoya, Japan | Compounds | 10 | |
| Mitsui Toatsu | Asia-Pacific | Nagoya, Japan | Prepolymers | 10 | |
| Nihon Oils and Fats | Asia-Pacific | | Polyether polyols | 9 | |
| Nihon Oxirane | Asia-Pacific | | PO | 123 | |
| Polyurethane Specialties | Americas | Lyndhurst NJ | Polyesters | 9 | |
| Pronor Petroquimica | Americas | Camarçari, Brazil | Polyether polyols | 2.5 | |
| Repsol Quimica SA | Europe | Puertollano, Spain | Polyester polyols | 50 | |
| Sanyo Chemical Inds | Asia-Pacific | | Polyether polyols | 45 | |
| Shell Chemicals | Asia-Pacific | Singapore | PO | 70 | See also Basell entries |
| Shell Chemicals | Asia-Pacific | Singapore | Polyols | 45 | |
| Shell Chemicals Europe | Europe | Carrington, UK | Polyols | 45 | |
| Shell Chemicals Europe | Europe | Foxhol, NL | Polyols | 7 | |
| Shell Chemicals Europe | Europe | Moerdijk, NL | PO | 140 | |
| Shell Chemicals Europe | Europe | Pernis, NL | Polyols | 140 | |
| Shell Chemicals Europe | Europe | Pernis, NL | Polyols | 45 | On stream 1998 |
| Showa Denko | Asia-Pacific | | PO | 35 | |
| Tai Chin Chem Ind Co | Asia-Pacific | Kaohsiung, Taiwan | Polyester polyols | 3 | |
| Texaco Chemical Co | Americas | Port Neches, Texas | PO | 300 | Sold to Huntsman |
| Thai PU Ind Co | Asia-Pacific | Rayong, Thailand | Polyether polyols | 24 | |
| Toho Chiba Chemical | Asia-Pacific | | Polyether polyols | 10 | |
| Tokuyama Soda | Asia-Pacific | | PO | 30 | |
| Unichema | Europe | Gouda, NL | Polyester polyols | 10 | |
| Witco SA | Europe | St Pierre les Elbeuf, France | Prepols | 'several kt' | |
| Yukong Ltd | Asia-Pacific | Ulsan, Korea | PO | 140 | |
| Basell | Asia-Pacific | Seraya, Singapore | PO | 250 | By H2, 2002 |