Sub.Trade Reference
Low-voltage distributors
The distributors and buying groups that low-voltage installers buy from. Each entry covers what they carry, the trade-pro program, branch network, and how to qualify for an account.
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.
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Sub.Trade is not affiliated with any distributor listed above. Information is aggregated from public sources.