Our Story

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D-LAN Fiber Optics is based in Central Massachusetts and services clients throughout the United States. We are not only a service provider, but also a value-added solutions partner for our clients. Our vast experience includes working in fiber rich environments often found in educational, health care, industrial, military, and government facilities. We work closely with other contracting partners to unsure that you receive the best possible service and results. You deserve nothing less and that is what we bring to you.


Owner Don Langlais has delivered technical services and support on networked fire alarm systems for over 26 years and has been providing testing, troubleshooting, training, restoration and consultation services on fiber optics since 1998.

D-LAN Fiber Optics networks exceed industry standards and are installed to product specifications.  We comply with all applicable codes such as the National Electrical Code (NEC) and the National Fire Alarm and Signaling Code (NFPA 72). 

What We Do

Products/Services Relating to Cabling Contrs.--Fiber Optic, Network
Products/Services Relating to Communication Systems

Project Experience

Non-Union Prevailing Wages (Davis Bacon)
Service Sector:
Public Private
Project Types:
New Alterations/Renovations Interior Fit-Ups Service Work/Repairs
Project Size:
From $20,000 and above
Education (K-12)
School / College / University
Hospital / Nursing Home
Manufacturing Plant
Office Building
Terminal - Airport / Bus / Railroad
Sewage / Water Treatment Plant
Jail / Prison
Arena / Stadium
Parking Garage
Renewable Energy
Design Build
Data Centers - Mission Critical
Misc Project
Non-Residential Building
Medical Office
Radio / Television Station

Service Areas

Associations & Memberships

Member of FOA (Fiber Optic Assn.) FOA (Fiber Optic Assn.)
Member of MSCA (Massachusetts System Contractors Assn.) MSCA (Massachusetts System Contractors Assn.)
Member of NICET (National Institute for Certification in Engineering Technologies) NICET (National Institute for Certification in Engineering Technologies)


Founded In: 2013
Size: 1-4 Employees
Annual Vol: < $500,000