Curtis is a manufacturer of a full line of "Sure-Grip" Tensile Testing Grips for metals, textiles and geo-synthetic fibers.

Epsilon is a manufacturer of high performance extensometers to meet a great variety of material testing needs.

Gilson is a manufacturer and distributor of equipment for construction materials testing, particle sizing and reduction, sampling and sample preparation.

Interface is a manufacturer of force measurement sensors (load cells & torque cells), instrumentation and calibration systems.

Software and web sites for equipment sales.

Morehouse is a provider of force calibration services and force calibration products with all calibrations traceable directly to the National Institute of Standards and Technology.

Sieburg Intl. is the manufacturer of Tensilkut® metal and plastic material testing sample preparation machines for tensile, flexural, impact and compression testing to ASTM standards.

WMT& R is an accredited testing laboratory specializing in the Aerospace, Nuclear and Automotive material testing fields.

Web Site for buying used metalworking machinery.

A2LA is a non-profit, public service membership society dedicated to the formal recognition of competent testing and calibration laboratories, inspection bodies, proficiency testing providers and reference material producers.

ASM International is the society for materials engineers and scientist, a worldwide network dedicated to advancing industry, technology and applications of metals and materials.

ASTM International provides standards that are accepted and used in research and development, product testing, quality systems, and commercial transactions around the globe.

The NIST Materials Reliability Division is responsible for the overall technical coordination of the NIST Charpy Impact Tester Verification Program.

NIST Calibration Services help customers achieve the highest measurement quality and productivity.