Double D Testimonials

Long Island Business Telephone Systems, VoIP, Networking and More

Fuller Lowenberg & Co.

It was a pleasure working with Tony from Double D Services during our recent installation. He quickly and seamlessly brought our office into the 21st century of communications.

Howard A. Fuller
Fuller Lowenberg & Co., CPAs, P.C.
200 Motor Parkway, Suite D-24
Hauppauge, NY 11788

US Fish and Wildlife

I have personally, for the last fifteen years, contracted Double D Services for all my communication projects. The service rendered was cost effective, timely and professional. All installations were seamless and transparent to my workers. My agency chose Double D Services because they had the best solutions and most experience with Nortel Norstar systems. Their integrated solutions enabled us to provide quality customer communication in a timely, efficient manner.

Robert S. Onda
U.S. Fish and Wildlife Service
Office of Law Enforcement
70 E. Sunrise Hwy. Suite 419
Valley Stream, NY 11580-1233


As a law firm with active offices in both Manhattan and Hauppauge, NY, we have very sophisticated telephone and inter-connectivity needs. Tony Marchese of Double D Services was able to quickly assess our needs and facilitate the installation and implementation of an intricate VoIP telephone system interconnecting our 2 offices and all employees. Tony is a consummate professional, trustworthy and highly recommended.

Lance E. Kuba, Esq.
Senior Partner
Ferro, Kuba, Mangano, Sklyar, P.C.
825 Veterans Hwy
Hauppauge, NY 11788

Paris Art Label

I have been working with Double D Services for over four years now and have always been impressed with the prompt service, quality of work, knowledge of latest technology and of course competitive pricing. By understanding the needs of customers in the business world today, Double D has absolutely no problem handling last minute requests along with supporting the size of the job in the time frame needed. Trust me, I am living proof that Double D Services is one of my top suppliers!

Ron Tarantino, Jr.
Paris Art Label Co., Inc.
217 River Avenue
Patchogue, NY 11772

Long Island Business Phone Systems Information Cable and Wiring Information on Long Island Business Phone System Service and Installation Long Island NY
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                Double D Services, Inc. is an independent distributor of technology and telecommunications equipment. Double D Services, Inc. does not represent Avaya, Lucent Technologies, Nortel Networks, Mitel, AT&T or their affiliates in any way. The Avaya logo, Merlin, Merlin Legend, Merlin Magix, Partner, Partner Plus, Partner II, Partner ACS, Spirit, Definity, and IP Office are registered trademarks of Avaya, Inc.. The Nortel logo, Norstar, Meridian, and Business Communication Manager are registered trademarks of Nortel Networks. Synapse and SynJ are registered trademarks of AT&T. Double D Services, Inc. is not in any way affiliated, authorized, or licensed by Avaya or Nortel Networks.  Copyright © 2002-2018 Double D Services, Inc.