Connecting Customers to Electrical Compliance We are engineers, testing technicians, electrical inspectors, project managers and electrical safety professionals with decades of experience. Located in Arizona, we services businesses just like yours across the country. At C3 Engineering , we’re dedicated to 100% customer service for our clients, providing the highest level of engineering services nationwide. Our highly trained staff offers a level of expertise and professionalism unmatched in the industry. Our utmost goal is our dedication to electrical safety for our customers, and we’re committed to providing this through our specialized services that include electrical safety engineering, electrical maintenance & testing, arc flash studies, thermal imaging, and safety training.