Custom design and engineering of portable power distribution centers, electrical substations, and electrical apparatus and equipment; custom design and engineering of e-houses, namely, apparatus and instruments for conveying, distributing, transforming, storing, regulating, or controlling electricity, all contained within prefabricated modular buildings and sold as a unit; product development services; providing on-line, nondownloadable software to assist with the selection of parts, board layout design, and simulation analysis in connection with electronic devices; providing temporary use of on-line, non-downloadable software tools to assist with the selection of parts, board layout design, and simulation analysis in connection with electronic devices; consultation in the field of custom design of electrical apparatus and equipment; safety testing and analysis of electrical systems; product testing; product safety testing; product testing for regulatory compliance; product failure analysis services; materials testing and analysing; electrical product evaluation.;