16 of the 100 companies on the AI Infra 100 are in the Networking & interconnect category (16% of the list), in 4 segments and from 5 countries. The highest ranked is Dongshan Precision, rank 13 of 100 with a score of 98. Ranking and scores from the November 2026 edition, the assessment by Frontier Tech Intelligence of the AI infrastructure landscape.
| Rank | Company | Category / segment | Country | Score |
|---|---|---|---|---|
| 13 | Dongshan PrecisionThrough Source Photonics, Dongshan Precision develops and manufactures optical chips, CW lasers, and high-speed optical transceiver modules, including 800G and 1.6T products for AI server interconnects. | Networking & interconnect / Optical & photonic interconnect | China | 98 |
| 19 | CoherentCoherent develops and manufactures optical transceivers, lasers, VCSELs, silicon-photonic products and optical circuit switches for AI data-center networks. | Networking & interconnect / Optical & photonic interconnect | United States | 96 |
| 21 | Arista NetworksArista Networks builds Ethernet switching platforms for data centers and AI fabrics, including 800G and 1.6T AI networking platforms and data-center interconnects. | Networking & interconnect / Switching & NICs | United States | 96 |
| 24 | Keysight TechnologiesKeysight sells electronic design automation and semiconductor modeling software, including PathWave ADS, RFPro Circuit and IC-CAP, for RF, mmWave, GaN and power-amplifier design. | Networking & interconnect / Test, measurement & validation | United States | 96 |
| 26 | AdvantestAdvantest supplies semiconductor test systems and hardware, including RF, memory, HBM, multi-die and known-good-die testing, to validate chips for power, performance and reliability. | Networking & interconnect / Test, measurement & validation | Japan | 94 |
| 28 | CorningCorning manufactures optical fiber, hollow-core fiber, glass waveguides and co-packaged-optics technology for data-center interconnects, working with hyperscalers and NVIDIA. | Networking & interconnect / Optical & photonic interconnect | United States | 94 |
| 29 | InnolightInnolight develops and sells high-speed optical transceiver modules, including 800G and 1.6T, and silicon photonics chips for data-center and AI-cluster interconnects. | Networking & interconnect / Optical & photonic interconnect | China | 94 |
| 35 | T&S CommunicationsT&S Communications develops and mass-produces passive and active optical devices, including 1.6T optical engines and CPO components, for data-center networking. | Networking & interconnect / Optical & photonic interconnect | China | 93 |
| 45 | AmphenolAmphenol supplies high-speed electrical and fiber-optic connectors, cable assemblies and interconnect systems used in data-center, AI server and networking systems. | Networking & interconnect / Cables, connectors & PCB | United States | 90 |
| 51 | CiscoCisco's core business is building and selling enterprise, cloud-provider, carrier, and data-center networking equipment, including high-end routers, aggregation equipment, and modular switches. | Networking & interconnect / Switching & NICs | United States | 90 |
| 55 | Huagong TechHuagong Tech sells high-speed optical interconnect modules, including CPO, LPO and silicon-photonics products, and designs silicon-photonics chips. | Networking & interconnect / Optical & photonic interconnect | China | 90 |
| 56 | PrysmianPrysmian manufactures optical-fiber and submarine cables, including high-density microduct cable, for telecom and data connectivity. | Networking & interconnect / Optical & photonic interconnect | Italy | 89.5 |
| 71 | CienaCiena supplies coherent optical networking systems, pluggable optical engines and WaveLogic technology that provide high-capacity interconnect for data centres and AI workloads. | Networking & interconnect / Optical & photonic interconnect | United States | 87 |
| 74 | AccelinkAccelink supplies optical communications products across transmission, access and datacom product lines. These products provide optical interconnect components and systems for telecom and data-center networking. | Networking & interconnect / Optical & photonic interconnect | China | 87 |
| 75 | LITEON TechnologyLITEON develops optical communication modules with POET Technologies for AI data centers and supplies VCSEL arrays for optical sensing and communications. | Networking & interconnect / Optical & photonic interconnect | Taiwan | 87 |
| 85 | LumentumLumentum makes optical transceivers, lasers, optical circuit switches and photonic components for AI data-center, cloud and telecom networks. | Networking & interconnect / Optical & photonic interconnect | United States | 85 |
Score out of 100: traction (deployment, production, commercials, progress) and capability (technology, positioning, firepower, leverage). The full AI Infra 100 with filters →
Dongshan Precision ranks highest (rank 13 of 100, score 98). The Networking & interconnect category holds 16 of the 100 companies on the AI Infra 100: Dongshan Precision, Coherent, Arista Networks, Keysight Technologies and Advantest and 11 more. Ranking from the AI Infra 100, November 2026 edition, by Frontier Tech Intelligence.
Dongshan Precision, Coherent, Arista Networks, Keysight Technologies and Advantest and 11 more. Ranking from the AI Infra 100, November 2026 edition, by Frontier Tech Intelligence.
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