Potomac Testing Inc operates in the Renewable Electricity industry completing electrical construction projects. Potomac Testing Inc is located in Bowie Maryland United States and employs roughly 11-50 employees. Potomac Testing Inc is a private company with annual revenue of roughly $1M-$10M based on public data available for Potomac Testing Inc collected by ECDatabase.com. The company self-description is as follows: Potomac Testing, Inc. provides a full range of independent electrical services in the areas of electrical equipment acceptance testing, maintenance testing, trouble-shooting, cable fault locating, emergency repairs, short circuit coordination studies, ...