ZefSci, Zef Scientific
- Offer service and management for laboratory equipment including HPLC, LC/MS/MS, and other mass spectrometers. Contacts in Medford, Massachusetts and Pointe-Claire, Quebec.
- http://www.zefsci.com/

Mass Spec UK Ltd.
- Offer installation, servicing and maintenance of GC-MS and LC-MS instruments, spare parts and consumables, training and technical support from Oldham, England.
- http://www.massspecuk.ltd.uk/

LaserBio Labs
- Offer kits and reagents for calibration, sample preparation, protein digests and matrices for MALDI-TOF and LC-MS, from Sophia-Antipolis Cedex, France.
- http://www.laserbiolabs.com/

MS Vision
- Offer service for Finnigan, Sciex and Micromass instruments, customisation, decommissioning, re-installation and sales of reconditioned models. Also application support, training courses and consultancy from Almere, The Netherlands.
- http://www.msvision.biz/