Entegra is a Native American-owned small business and provides instruments for metrology and calibration services.


Fort Belknap Reservation

Entegra is a Native American-owned, privately held, small business headquartered in Aurora, Colorado.

Innovative Applications of Technology and Expertise
Entegra Corporation was founded in 2008 by Donald R. Larson.   A senior subject matter expert, Donald spent over 37 years as a engineer/scientist for the National Institute of Standards and Technology (NIST).  He has published more than 70 articles in high-speed electronics, optoelectronics, and the metrology fields.  He provided significant contributions to the IEEE Std 181-2003, “IEEE Standard on Transitions, Pulses, and Related Waveforms.”  He was awarded a patent and is a senior member of both the IEEE and Optical Society of America.

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