Enterprise fiber network and IP transport services

Results for this buyer need

Procurement of dedicated high-capacity fiber, wavelength transport, or dark fiber infrastructure for enterprise WAN and data center interconnect workloads

10 companies returned. Positions belong to this saved response, not an overall market ranking.

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1. #1
   Zayo Group Holdings, Inc.

   Zayo operates one of the most comprehensive fiber backbones across North America, offering dense metro fiber, extensive intercity dark fiber routes, and scalable 10G to 400G+ wavelength transport optimized for enterprise data center interconnect and hyperscale workloads.

2. #2
   Lumen Technologies, Inc. →

   Lumen maintains an expansive North American ultra-low-loss fiber footprint and Tier-1 IP backbone, offering high-capacity point-to-point wavelength services up to 400G and customizable dark fiber for enterprise WAN, AI workloads, and mission-critical cloud interconnects.

3. #3
   Arelion US Inc.

   Operating AS1299—one of the world's most connected Tier-1 global IP backbones—Arelion provides carrier-grade DWDM wavelength services, global IP transit, and high-performance inter-data center transport across major North American metropolitan and long-haul corridors.

4. #4
   Crown Castle Inc. →

   Crown Castle provides dense metro dark fiber assets and managed optical wavelength connectivity across major top-tier US metropolitan markets, delivering dedicated Layer 1 capacity between carrier hotels, enterprise sites, and data centers.

5. #5
   Uniti Group Inc.

   Uniti provides extensive long-haul and regional dark fiber and high-capacity wavelength transport across the Central and Southeastern United States, specifically tailored for enterprise DCI, carrier wholesale, and AI network interconnects.

6. #6
   Cogent Communications Holdings, Inc. →

   Cogent operates a widespread multinational optical IP network connecting thousands of carrier-neutral data centers, providing high-bandwidth Optical Wave Services and high-capacity IP transit tailored for cost-effective enterprise DCI and backbone traffic.

7. #7
   AT&T Inc. →

   AT&T Business provides ubiquitous enterprise optical infrastructure across North America, featuring metro and long-haul wavelength services up to 400G and private optical line services connecting enterprise sites to key carrier-neutral data centers and cloud on-ramps.

8. #8
   Verizon Communications Inc. →

   Verizon offers high-availability optical wave services, dark fiber, and Tier-1 IP transit across a vast US footprint, engineered to support latency-sensitive enterprise WAN architectures and high-throughput data center replication workloads.

9. #9
   FiberLight, LLC →

   FiberLight designs and operates custom, high-strand-count metro and regional dark fiber and wavelength transport networks throughout Texas and the Southeast, offering low-latency, physically diverse paths between key data centers and enterprise campuses.

10. #10
    FirstLight Fiber

    FirstLight provides dense optical infrastructure and carrier-grade transport across the Northeast and Mid-Atlantic regions, offering low-latency wavelength and dark fiber links connecting key regional enterprise locations and colocation facilities.