Telsan is a full-service electrical contractor providing quality electrical installations to Residential, Industrial, and Commercial clients in Suffolk and Nassau Counties. From remodeling to new construction, from installing a new electrical socket in a living room to wiring a high-tech office. Telsan Electric Corporation has always been at the top of our field. Indeed our expertise is proven every day on the production floor, on assembly lines, and office buildings. We stake our reputation on the efficient and effective operation of our customer's businesses.