Alpha Scientific: Wholesale supplier of 5mm o.d. thin wall NMR sample tubes.
Ampol NMR Sample Tubes For Europe: A supplier of NMR sample tubes and accessories.
Chemglass: NMR tubes, Caps, valves and NMR tube cleaners.
CortecNet: Supplier of NMR consumables and stable isotopes.
Deutero GmbH: Isotopes, solvents and consumables for NMR in Europe.
New Era Enterprises: NMR 5 mm sample tubes.
NMR pages from Kontes: They have several useful NMR consumables.
Norell Inc.: A manufacturer of NMR sample Tubes, tubing, Pyrex and Quartz sample tubes, and NMR accessories & consumables.
Rototec-Spintec: Specialised suppliers of spectroscopy consumables, partial and complete NMR systems and accessories, Liquid and Solids NMR and EPR.
Shigemi, Inc.: Makes matched plugs for all types of solvents. They also make NMR tubes and other diposables.
Wilmad: Maker of the some of the very best NMR tubes, standards and other NMR related stuff.
World Wide Glass Resource Limited: UK suppliers of NMR consumables.