MADISON, Ala., Oct. 5, 2017 /PRNewswire/ — TFab Defense Systems, LLC (TFD), a subsidiary of Tyonek Manufacturing Group, Inc. (TMG) and Tyonek Native Corporation (TNC), has been awarded a contract by the U.S. Army Contracting Command – Aberdeen Proving Ground to provide Improved Environmental Control Units (IECU). The company forged a partnership with HDT Global (HDT) and Rocky Research to pursue the effort.

“This is a great win for the manufacturing division of our company.  Tyonek has a long history and extensive technical experience in the design and production of environmental control products for U.S. military applications,” said Steve Adlich, President, TMG. “Additionally, we are excited about our partnership with HDT Global and Rocky Research in support of this requirement.  Both HDT and Rocky Research bring a wealth of experience to our team and together we look forward to supporting the Army’s readiness mission.”

As the prime contractor, TFD will manufacture, test, and deliver four ECU variants which are designed to replace currently fielded units. The new variants will comply with statutory and regulatory restrictions on the use of Class II Ozone Depleting Chemicals (ODCs).   The products will be produced in TFD’s Madison, Ala. manufacturing facility and HDT’s facility in Solon, Ohio.

Director of Army Programs, HDT, Jeremy Alford added “As the global leader in advanced tactical infrastructure, we are equally excited for the partnership with TFab Defense Systems as well as the opportunity to be a part of the team providing the next generation of enhanced HVAC capability to our Warfighters.”

About Tyonek Native Corporation
Tyonek Native Corporation (TNC) is the parent company to a variety of subsidiary businesses in industries including ISO 9000 certified defense manufacturing and engineering, aircraft maintenance, information technology services, land and resource development, and construction. The company owns and manages over 200,000 acres of land, primarily on the West side of Cook Inlet in South Central Alaska.

An Alaska Native Corporation formed under the Alaska Native Claims Settlement Act of 1971 (ANCSA), the company is governed by a board of nine directors and a management team who are accountable to a community of more than 900 shareholders.

The corporation’s headquarters is in Anchorage, Alaska, with offices in Madison, Alabama, and subsidiary facilities located throughout the continental United States. For more information, visit

About HDT Global
Headquartered in Solon, Ohio, USA, HDT Global is the industry leader in the production of state-of-the-art, fully-integrated deployable solutions, including shelters, generators, heaters, air filtration devices, robotics and other engineered technologies, currently used by U.S. and allied military units worldwide, as well as civilian government and commercial customers. Proven Solutions for Extreme Environments. We’re there with you. For more information, visit

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