Low-voltage distributors

ADI Global Distribution

Largest specialty distributor for low-voltage security, fire alarm, and AV. ADI Pro and ADI Pro+ are the trade programs; physical branches in most major US metros.

Almo Corporation

Specialty distributor for pro AV, e-commerce, and consumer electronics. Major AV partner for Crestron, Sony Professional, Samsung Displays, and Bose.

Anixter (WESCO)

Major B2B distributor for networking, structured cabling, security, and industrial. Acquired by WESCO in 2020; Anixter brand still present in the structured cabling channel.

CDW

Major B2B IT reseller with strong public-sector + healthcare + education footprint. CDW carries low-voltage and physical security alongside the core IT catalog.

Graybar

Employee-owned broadline electrical, communications, and data distributor. Strong commercial / industrial presence. Online + branch ordering.

One Source Distributors

California-based electrical distributor expanding into low-voltage and structured cabling. Strong commercial and industrial customer base in the western US.

PSA Security Network

Cooperative buying group rather than a traditional distributor. PSA member integrators pool purchasing power for better pricing from manufacturers.

ScanSource

Specialty B2B distributor for security, point-of-sale, mobility, networking, and unified communications. Catalyst Solutions division focuses on physical security.

Tri-Ed (ADI)

Regional specialty distributor for security and AV with strong Northeast and Mid-Atlantic presence. Acquired by Anixter, then ADI Global; operates under both names.

WESCO

Largest broadline electrical and data distributor in North America following the Anixter merger. Major presence in industrial, utility, data center, and broadband.