| Shanghai-Neles Jamesbury Valve Co., Ltd | China |
| Metso Husum AB | Sweden |
| 2010 | |
| Flexowell conveyor belt operations | Germany |
| 2009 | |
| Metso Paper Turku Works Oy | Finland |
| 2008 | |
| Composites manufacturing business | Finland |
| Metso Foundries Karstad AB | Sweden |
| Spreader roll manufacturing business | Finland |
| Part of Metso Paper's panelboard business in Nastola and Sundsvall | Finland and Sweden |
| 2007 | |
| Metso's press and energy business in Hannover | Germany |
| Metso Paper AG | Switzerland |
| 2006 | |
| Metso Powdermet AB | Sweden |
| 2005 | |
| Metso Drives | Finland |
| 2004 | |
| Reedrill | USA |
| Dynapac | Sweden |
| Converting Equipment | UK |
| 2003 | |
| CPS Electronics Inc. | Finland |
| Network Management Solutions | Canada |
| Metso Hydraulics Oy | Finland |
| 2002 | |
| Hodge foundry | USA |
| Svedala Robot B.V. | Netherlands |
| Oy Rolac Ab | Finland |
| Workshop in Cedar Rapids | USA |
| Metso Works | Finland |
| Interconsult i Falkenberg AB | Sweden |
| 2001 | |
| Valmet Automotive Oy (10 %) | Finland |
| 2000 | |
| Oy Valmet Fisher-Rosemount Ab | Finland |
| Oy Saab-Auto Ab | Finland |
| Sako Oy | Finland |
| Timberjack | Finland |
| 1999 | |
| Oy Scan-Auto Ab | Finland |