Baltimore Electric Equipment and Supplies Wholesale 6310 Frankford Ave Primary Electric Supply, Inc. is a wholesale electrical distributor providing electrical distribution products to the Maryland and DC construction markets. Baltimore MD Electric Equipment and Supplies Wholesale Primary Electric Supply www.primaryelectricsupply.com wholesale electrical distributor primary electric supply Primary Electric Supply electrical distributor products supplier suppliers wholesalers wholesale electrical distributor primary electric supply Primary Electric Supply electrical distributor products supplier suppliers wholesalers Business Reviews Primary Electric Supply Testimonials