D-Link offers a range of passive networking components, including copper cables (e.g., Cat5e, Cat6), fiber optic cables, and related accessories essential for building structured cabling infrastructure.

MSYS Connect provides a complete range of physical layer infrastructure solutions for enterprise LANs, including end-to-end twisted pair copper and fiber optic cabling products, racks/cabinets, and cable management solutions.

Belden is a leading manufacturer of high-quality cables and connectivity solutions. Their copper cables are designed for excellent conductivity, durability, and reliability in network environments, ensuring signal integrity.