Diamond Electric Mfg. Corporation is recognized as a world leader in safe, reliable and cost competitive automotive electrica ... l components. Our Company is energized by a driving force of progressive R&D programs, ceaseless efforts to achieve the quality demanded by our customers and the commitment of our employees to improve our communities. Our proprietary technology has resulted in exciting product developments in new areas of automotive electronics. Our Company motto of "Health, Trust and Progress" allows us to nurture our existing relationships, establish new partnerships and have a positive impact in the world. read more