Westmoreland Mechanical Testing & Research, Inc.
- Provides a wide range of industrial materials testing services, including mechanical, fracture, and hardness testing, chemical and corrosion testing, and heat treatment services. Pennsylvania, USA.
- http://www.wmtr.com/

Fluid Dyanamics, Inc.
- Providing a full range of rheological testing services, education and training, in areas including dynamic mechanical rheometry, steady shear and fluids extensional viscometry.
- http://www.fluiddynamics.com/

R. Vogel Research Laboratory
- Investigation of non-Newtonian fluids, suspensions, dispersions and mixtures of fluids and bulk materials by rheological analysis and identification tests.
- http://www.vogel-labor.de/