Swartley Bros. Engineers, Inc., Electrical Contractors Since 1928, offers Wireless Communications Services, Industrial and Co ... mmercial Electrical Services, and Tele/Data Services. Based in Souderton, Pennsylvania, north of Philadelphia, Swartley specializes in industrial and commercial accounts in the Delaware Valley. Swartley Bros. Engineers have proven experience and expertise in Wireless Communications Construction and Maintenance. The largest carriers in the United States look to us to provide and ensure uninterrupted service for their customers. Our versatile and experienced Industrial/Commercial Electrical Services team provides complete turnkey solutions for your electrical projects and maintenance needs. From design/build to project management and construction, we are the premiere full-service provider in the region. Many of the area's most prestigious companies have trusted us to service and maintain their facilities over the last 80 years. Our Tele/Data Services include project management, engineering, and delivery of Structured Cabling Solutions, Fiber Optic Riser/Backbone Cabling, Sound Masking, and Security Systems. We have been setting the standard of excellence in tele/data installation and maintenance services with our vast experience and high customer satisfaction. Swartley Bros. Engineers, Inc., is an insured and licensed electrical contractor in Pennsylvania, New Jersey, Maryland and Delaware committed to Quality, Safety, and Reliability. We offer 24-hour emergency support for clients 1-800-300-4875. Swartley Bros. Engineers, Inc., is one of the largest electrical contractors in the region. We provide unparalleled workmanship and superior customer service that is reflected in a job well done. read more