EPD Laboratories Inc. is an electrical/electronic manufacturing company based in Davenport, California, United States. The company focuses on the history, theory, and practice of electricity transmission, with a specialization in replicating Tesla's wireless transmission technology. EPD Laboratories offers a range of products and services related to electrical engineering, including books on electrical theory, crystal radio initiatives, and electromagnetic induction. They are actively involved in ongoing projects such as cosmic light bulb research, ULF seismic and audio amplifier development, and electrodynamic seismic forecasting. The company also hosts educational videos, papers, and forums related to the exploration of electricity and its applications.