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Tendeg is a 70 person (and growing) company that is located in 2 buildings in the Colorado Tech Center in Louisville, CO. 

We provide high quality and innovative aerospace engineering services, including design, analysis, prototyping, and flight unit build. Our primary focus is space antennas and deployable structures.


If you have a hard problem involving a deployable structure or antenna, we can solve it for you.


If you need aperture in a small package for high bandwidth communications or radar applications, our products will provide it at unparalleled packaging sizes, weight, and performance.

Founding team:

Gregg Freebury
Gregg Freebury
CEO and Principal Engineer

M.S./B.S., Aero-Astro Engineering, 1985, Stanford University

Gregg has over 30 years of experience in aerospace and aircraft vehicle design, analysis, and test. He has held senior engineering positions at Northrop-Grumman and Astro Aerospace. He is recognized for his advanced analysis skills including finite element methods for random vibration, shock, and nonlinear solutions.

Neal Beidleman
Neal Beidleman
Chief Engineer

B.S., Mechanical Engineering, 1981, University of Colorado

Neal has over 30 years of experience in mechanism, satellite solar array and satellite vehicle design and test. He has held senior engineering positions at Ball Aerospace,  Interferometrics and Orbital. He is recognized for his advanced design skills using SolidWorks modeling. He has started several commercial companies based on product designs he has created. He has designed and developed numerous commercial products including Black Diamonds undersnow breathing device, The Avalung, and holds multiple patents.

Tendeg has moved into the brand new and finished Suite A, B, & C office and high bay space.

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