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Hylan Group HistoryHylan was founded in 1960

as a small Staten Island electrical contracting company by John DiLeo, Sr. He created the powerful work ethic and customer-centered approach that form our philosophy today: Your requirements are our priority. We give the same professionalism and respect to large and small customers. We’re still a family, and our permanent labor force is one of the most experienced and qualified in the business. Fifty years later, Hylan Datacom and Electrical is a full service company offering a deep array of services for DataCom, Electrical Contracting, Lighting and Electrical Maintenance, Utility Construction, and Emergency/Disaster Recovery.


Our company President John DiLeo, Jr. and our Chief Executive Officer Robert DiLeo continue Hylan’s tradition with the same attention to quality control, safety, innovation, and client service.


Our list of certifications, specialized training, and licenses is extensive. Bell-Core GR-290,New York City and New York State DOT, Empire City Subway Systems, railroad, ISO 9001, E.C.S., Con Ed, and Verizon manholes, OSHA, and AMP represent some of our certifications.

Hylan Datacom and Electrical maintains its own fleet of over one hundred vehicles with in-house mechanics and a maintenance shop. Our hands-on quality control begins with superior customer service and close project management and continues through meticulous equipment calibration and upkeep.


With Hylan Datacom and Electrical you benefit from our fifty years experience in delivering excellent workmanship, competitive pricing, and technical innovation. Our long-held reputation for client satisfaction is based on hands-on senior management involvement and detailed project supervision for every job, from start to finish to maintenance. You profit from our well-known commitment to on-time delivery, safety, technical and equipment investment, and regional know-how. We are one of the few companies that provide a turnkey operation in the Tri-State area, encompassing the telecom industry.


Hylan Datacom and Electrical serves customers in a wide variety of industries in the Northeast and MidAtlantic states. We have offices and facilities in New York and New Jersey. Our clients include global multinationals as well as local businesses. By providing outstanding customer service we aim to create and maintain long-term relationships with you, our clients.