 | Bruker BioSpin Ltd. 555 Steeles Avenue East Milton, ON Canada | |
 | Cambridge Isotope Laboratories 50 Frontage Road Andover, MA 01810-5413 USA | |
 | Isotec 3858 Benner Road Miamisburg, OH 45342 USA | Phone: | 937-859-1808 800-448-9760 | Fax: | 937-859-4878 | Website: | www.isotec.com |
|
 | JEOL 11 Dearborn Road Peabody, MA 01960 USA | |
 | Norell, Inc. 314 Arbor Ave. PO Box 307 Landisville, NJ 08326 USA | |
 | Oxford Instruments Old Station Way, Eynsham Witney, Oxfordhsire OX29 4TL UK | |
 | Varian 3120 Hansen Way Palo Alto, CA 94304-1030 USA | |
 | WILMAD 1002 Harding Hwy. PO Box 688 Buena, NJ1 08310 USA | |