AFL (Fujikura)

Fiber optic cable, connectivity and equipment manufacturer

AT&T

T
— —

Major telecom deploying extensive fiber-to-the-home networks

Amazon AWS

AMZN
— —

Amazon's cloud arm — largest hyperscale data center operator globally

Ciena

CIEN
— —

Networking systems, services and software for telecom and cloud

CommScope

Network infrastructure solutions including fiber connectivity

Corning Inc.

GLW
— —

World's largest fiber optic cable manufacturer

Crown Castle

CCI
— —

Major fiber and small cell infrastructure provider

Google Fiber

GOOG
— —

Google's fiber-to-the-home internet service

Infinera

Intelligent transport networking solutions

Lumen Technologies

LUMN
— —

Major fiber network operator and enterprise connectivity

Meta Platforms

META
— —

Building massive subsea fiber and data center interconnects

Micron Technology

MU
— —

Leading US manufacturer of DRAM, NAND, and HBM memory chips critical to AI compute. Micron's HBM3E memory ships inside NVIDIA GPUs powering data centers that require massive fiber interconnect buildout

Microsoft

MSFT
— —

Azure cloud infrastructure driving fiber demand

NVIDIA

NVDA
— —

Leading GPU and AI infrastructure company, building TeraFab facilities

Nokia

NOK
— —

Global telecom equipment and optical networking manufacturer

Prysmian Group

PRY.MI
— —

World leader in energy and telecom cable systems

Samsung Electronics

SSNLF
— —

Global semiconductor and electronics giant producing memory (HBM, LPDDR), OLED panels, and fiber optic transceiver components. Samsung's foundry and component divisions supply critical parts to AI infrastructure builders

Tesla

TSLA
— —

EV and energy company running Gigafactories with AI-automated manufacturing — TeraFab vision applies AI and robotics to factory-scale production, creating new demand for precision fiber sensors and automation optics

Verizon

VZ
— —

Telecom giant with massive fiber network buildout (Fios)

Zayo Group

Global fiber network operator

xAI

Elon Musk's AI company operating the Colossus supercluster

xAI / TeraFab

Elon Musk's AI company xAI operating the Colossus supercluster in Memphis, TN — the world's largest GPU cluster, driving unprecedented demand for high-density fiber interconnects and precision optical components

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