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27 Years
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Emergency
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Expert Fiber Optic Network Construction Services
Sertex has been a trusted leader in fiber optic network construction since 1999, delivering end-to-end telecommunications infrastructure solutions across the Northeast and beyond. Our expertise spans Middle Mile backbones, Last Mile Fiber-to-the-Home (FTTX), Hybrid Fiber Coax (HFC), Distributed Antenna Systems (DAS), and Smart Grid Fiber Infrastructure. With decades of experience, we partner with municipalities, utilities, and service providers to design, build, and maintain high-bandwidth networks that bridge the digital divide in rural and remote communities. Our commitment to safety, advanced equipment, and a highly trained workforce ensures every project meets the highest industry standards.

From initial engineering to emergency restoration, we provide reliable, future-proof connectivity solutions tailored to the unique needs of each client. Our Corning-certified teams and 25-year system warranty underscore our dedication to quality and long-term client partnerships. By combining cutting-edge technology with a focus on customer satisfaction, we empower communities to thrive in the digital age through robust fiber infrastructure.
Services
Engineering Design Aerial Construction Underground Construction Fiber Splicing Emergency Restoration Network Maintenance In-Home Installation Smart Grid Infrastructure
Details
  • Year established: 1999
Highlights and features
  • We have over 30 years of experience in fiber optic network construction.
  • Our crews are Corning-certified with advanced splicing and testing equipment.
  • We offer 24/7 emergency restoration services for network outages.
  • We specialize in challenging deployments in remote and rugged terrain.
  • Our end-to-end solutions cover engineering, construction, and long-term maintenance.
Associations and certifications
  • Corning Network of Preferred Installers (NPI)
What people say
Professional and friendly crews Efficient, tidy, precise work Patient and informative technicians Exemplary service from real professionals Positive neighborhood impact
Services
Fiber Network Construction
Our fiber network construction services deliver durable, high-capacity infrastructure for Middle Mile and Last Mile deployments. Using advanced equipment and Corning-certified techniques, we handle aerial and underground installations in challenging terrains. Clients benefit from 30+ years of expertise and a commitment to safety and reliability.
Engineering Design
We provide comprehensive engineering design from concept to construction. Our team uses advanced software to create cost-effective, future-ready network layouts. Clients receive detailed permitting assistance and real-time project tracking for seamless deployments.
Emergency Restoration
24/7 emergency restoration services ensure rapid response to network outages. Our certified technicians use mobile splicing labs to resolve issues quickly. Clients gain peace of mind with reliable network uptime and minimal service disruption.
In-Home Installation
Professional fiber-to-the-home installations include drop connections and in-home equipment setup. Our technicians provide clear explanations and Wi-Fi optimization guidance. Customers report high satisfaction with tidy, efficient service and patient support.
Smart Grid Infrastructure
We build fiber networks for electric grid modernization using Optical Ground Wire (OPGW) technology. Our solutions enhance grid reliability and enable smart energy management. Clients benefit from specialized expertise in utility telecommunications systems.
Questions
What areas do you serve?
We primarily serve the Northeast United States, including Massachusetts, Vermont, Connecticut, and Maine, with a focus on rural and remote communities.
Do you offer emergency repair services?
Yes, we provide 24/7 emergency restoration services for fiber network outages with rapid response teams available year-round.
What types of fiber networks do you build?
We specialize in Middle Mile backbones, Last Mile FTTX, Hybrid Fiber Coax (HFC), Smart Grid infrastructure, and Distributed Antenna Systems (DAS).
Are your technicians certified?
Yes, our fiber technicians are Corning-certified and undergo annual safety training to maintain industry-leading standards.