Exhibit 21.1

SMURFIT-STONE CONTAINER CORPORATION
SUBSIDIARIES OF THE COMPANY

|Consolidated Subsidiaries                     |  | Organized Under the Laws of |  | Percentage Ownership |  
|--------------------------------------------- |  | --------------------------- |  | -------------------- | -
|605681 N.B. Inc.                              |  | Canada                      |  | 100                  | %
|639647 British Columbia Ltd.                  |  | Canada                      |  | 70                   | %
|Atlanta & Saint Andrews Bay Railroad Co.      |  | Florida                     |  | 100                  | %
|B.C. Shipper Supplies Ltd.                    |  | Canada                      |  | 70                   | %
|Cameo Container Corporation                   |  | Illinois                    |  | 100                  | %
|CCA de Baja California S.A. de C.V.           |  | Mexico                      |  | 100                  | %
|Celgar Investments, Inc.                      |  | British Virgin Islands      |  | 100                  | %
|Clayton Partners Ltd                          |  | Bermuda                     |  | 100                  | %
|Dalton Paper Products, Inc.                   |  | Georgia                     |  | 50                   | %
|Francobec Company                             |  | Canada                      |  | 100                  | %
|Innovative Packaging Corp.                    |  | Delaware                    |  | 85                   | %
|Jefferson Smurfit Corporation (U.S.)          |  | Delaware                    |  | 100                  | %
|Jefferson Smurfit Finance Corporation         |  | Delaware                    |  | 100                  | %
|JSC Capital Corporation                       |  | Delaware                    |  | 100                  | %
|JSCE, Inc.                                    |  | Delaware                    |  | 100                  | %
|Lot 24D Redevelopment Corporation             |  | Missouri                    |  | 100                  | %
|MBI Limited                                   |  | Canada                      |  | 100                  | %
|Packaging Unlimited, Inc.                     |  | Delaware                    |  | 100                  | %
|PT Smurfit Container Indonesia                |  | Indonesia                   |  | 100                  | %
|SLP Finance General Partnership               |  | Canada                      |  | 100                  | %
|SLP Finance I, Inc.                           |  | Delaware                    |  | 100                  | %
|SLP Finance II, Inc.                          |  | Delaware                    |  | 100                  | %
|St. Laurent Paperboard (U.S.) Inc.            |  | Delaware                    |  | 100                  | %
|SMBI Inc.                                     |  | Delaware                    |  | 100                  | %
|Smurfit Newsprint Corporation                 |  | Delaware                    |  | 100                  | %
|Smurfit-MBI                                   |  | Canada                      |  | 100                  | %
|Smurfit-Stone Container Canada Inc.           |  | Canada                      |  | 100                  | %
|Smurfit-Stone PSC (Asia) Limited              |  | Hong Kong                   |  | 100                  | %
|Specialty Containers                          |  | Canada                      |  | 70                   | %
|SSCC Lux I Sarl                               |  | Luxembourg                  |  | 100                  | %
|SSCC Lux III Sarl                             |  | Luxembourg                  |  | 100                  | %
|SSCC Lux VII Sarl                             |  | Luxembourg                  |  | 100                  | %
|St. Laurent Display and Packaging Corp.       |  | Canada                      |  | 100                  | %
|St. Laurent I.P.C. Inc.                       |  | Canada                      |  | 100                  | %
|Stone Connecticut Paperboard Properties, Inc. |  | Delaware                    |  | 100                  | %
|Stone Container Corporation                   |  | Delaware                    |  | 100                  | %
|Stone Container de Mexico S. de R.L. de C.V   |  | Mexico                      |  | 100                  | %
|Stone Container Finance Company of Canada     |  | Canada                      |  | 100                  | %
|Stone Global, Inc.                            |  | Delaware                    |  | 100                  | %
|Stone International Services Corporation      |  | Delaware                    |  | 100                  | %
|Stone Receivables Corporation                 |  | Delaware                    |  | 100                  | %
|Stone Truepenny International, Inc.           |  | British Virgin Islands      |  | 100                  | %
|Stone Venepal (Celgar) Pulp, Inc.             |  | Canada                      |  | 90                   | %
|Stone Waterfront LLC                          |  | Florida                     |  | 100                  | %
|Timber Capital Holdings LLC                   |  | Delaware                    |  | 100                  | %
|Timber Note Holdings LLC                      |  | Delaware                    |  | 100                  | %

---

Exhibit 21.1

SMURFIT-STONE CONTAINER CORPORATION
SUBSIDIARIES OF THE COMPANY

|Non-consolidated Subsidiaries                                  |  | Organized Under the Laws of |  | Percentage Ownership |  
|-------------------------------------------------------------- |  | --------------------------- |  | -------------------- | -
|Annan & Bird Lithographers Inc.                                |  | Canada                      |  | 25.0                 | %
|Annan & Bird Lithographers Ltd.                                |  | Canada                      |  | 25.0                 | %
|Aspamill Inc.                                                  |  | Canada                      |  | 45                   | %
|Associated Paper Mills (Ontario) Limited                       |  | Canada                      |  | 45                   | %
|Cascapedia Booming Co. Ltd.                                    |  | Canada                      |  | 50                   | %
|CIMIC Packaging Paper Co. Ltd.                                 |  | British Virgin Islands      |  | 42.5                 | %
|Converpap, S.A. de C.V.                                        |  | Mexico                      |  | 24.5                 | %
|Dongguan Stone Millennium Paper & Packaging Industries, Ltd.   |  | China                       |  | 50                   | %
|Dyne-A-Pak                                                     |  | Canada                      |  | 45                   | %
|Groupement Forestier de Champlain Inc.                         |  | Canada                      |  | 10                   | %
|Groveton Paper Board, Inc.                                     |  | New Hampshire               |  | 48.64                | %
|ICO, Inc.                                                      |  | Canada                      |  | 42                   | %
|Las Vegas Container LLC                                        |  | Delaware                    |  | 50                   | %
|Maritime Containers Ltd                                        |  | Canada                      |  | 35                   | %
|Maritime Paper Products Limited                                |  | Canada                      |  | 35                   | %
|ORPACK-Stone Corporation                                       |  | Delaware                    |  | 49                   | %
|Qingdao Stone Millennium Paper & Packaging Industries, Ltd.    |  | China                       |  | 48.13                | %
|Rollcraft Inc.                                                 |  | Canada                      |  | 45                   | %
|Rosenbloom Group Inc.                                          |  | Canada                      |  | 45                   | %
|Schiffenhaus Californa LLC                                     |  | Delaware                    |  | 25                   | %
|Schiffenhaus Canada Inc.                                       |  | Canada                      |  | 33.33                | %
|Serpac Containers Limited                                      |  | Canada                      |  | 49.50                | %
|Shanghai Stone Millennium Paper & Packaging Industries Ltd.    |  | China                       |  | 47.5                 | %
|Smurfit/CIMIC Holdings Limited                                 |  | Cayman Islands              |  | 42.50                | %
|Stone Container (Hong Kong) Limited                            |  | British Virgin Islands      |  | 50                   | %
|Stone Container Japan Company, Ltd.                            |  | Japan                       |  | 50                   | %
|Stone Millennium (China) Holdings, Ltd.                        |  | British Virgin Islands      |  | 50                   | %
|Suzhou Stone Millennium Packaging & Paper Industries, Co. Ltd. |  | China                       |  | 48.13                | %
|Tradepak Internacional S.A. de C.V.                            |  | Mexico                      |  | 24.5                 | %
|Tradepak International, Inc.                                   |  | Delaware                    |  | 24.5                 | %
|Trans-Seal Corporation                                         |  | Japan                       |  | 50                   | %
|Valores Universales S.A. de CV                                 |  | Mexico                      |  | 49                   | %
|Venepal S.A.C.A.                                               |  | Venezuela                   |  | 15.7                 | %
|Wakecon Associates (Partnership)                               |  | Massachusetts               |  | 50                   | %
|WCO Enterprises (Partnership)                                  |  | Florida                     |  | 50                   | %
|Zhejiang CIMIC Nanyang Paper Products Co., Ltd.                |  | China                       |  | 19.55                | %

---

QuickLinks