HNL is a minority owned, small business located in the heart of Silicone Valley (Santa Clara, CA). HNL was organized and started in April 1981 as a consulting company with expertise in Microwave Technology. As of January, 2020, HNL has grown from the original three founders up to a staff of over 20 people, with a facility of approximately 12,000 square feet.

As of 2020 HNL expanded there technology base to include design, manufacturing and test of all Waveguide Components and Subsystems.