- employed as coworker
- employed in museums, office for monument, public institutions or universities
- Practice of the occupation, commercially
- VDR - Association of Restorers (Germany)
- SKR - Swiss Association for Conservation and Restoration (CH)
- AIC - American Institute for Conservation
- ICOM - International Council of Museums
- ICOMOS - International Council on Monuments and Sites
- ICON - The Institute of Conservation