Distributor Roles in B2B Commerce
A distributor is the middle layer of the B2B supply chain — buying products from manufacturers and reselling them to business customers. Distributors are the primary audience for B2B eCommerce platforms and the primary customer of the vendor community selling into this space.
What Distributors Do
Distributors provide critical value in the supply chain:
- Inventory aggregation — carry stock from hundreds of manufacturers so customers don’t have to source from each one
- Local availability — maintain regional branches close to customer job sites
- Credit and terms — extend Net 30/60/90 terms to customers, absorbing credit risk
- Technical expertise — product knowledge and application advice
- Breaking bulk — buy in manufacturer case/pallet quantities; sell in whatever quantity the customer needs
- Customer relationships — the account relationship and trust layer
The Branch Model
Most distributors operate through a network of physical branches (locations). Each branch serves a local market:
- Maintains local inventory
- Employs local sales reps who know customers personally
- Provides will-call (customers pick up at the counter)
- May provide delivery
The Digital Branch is the eCommerce extension of this model — a branch that serves customers 24/7 without the constraints of geography or operating hours. See branch-model.
Types of Distributors
Type
Description
Full-line distributor
Carries broad product range; serves diverse customer types (Grainger)
Specialty distributor
Deep focus on one vertical (electrical-only, HVAC-only)
Master distributor
Sells to other distributors; does not sell direct to end customers
Stocking distributor
Primarily inventory-focused; may have minimal sales infrastructure
Value-added distributor
Adds services (kitting, light assembly, technical support) beyond product
Key B2B Verticals for Distributors
Vertical
Products
Examples
Electrical
Wire, conduit, panels, lighting
Anixter, Rexel
Industrial/MRO
Tools, fasteners, safety, maintenance
Grainger, Fastenal
HVAC
Heating/cooling equipment and parts
Watsco, Johnstone
Plumbing/PVF
Pipes, valves, fittings
HD Supply, Ferguson
Janitorial/Sanitary
Cleaning supplies, paper products
Waxie, Interline
Foodservice
Equipment, supplies, disposables
Sysco, US Foods
Why Distributors Are Complex eCommerce Customers
Distributors are harder to sell to than a typical SaaS buyer because:
- They are often family-owned, multi-generational businesses (see persona-owner-ceo)
- Their ERP is the lifeblood of the business — any integration must work perfectly
- Sales reps are their competitive differentiator and are protective of their customer relationships
- They have thousands of customers each with unique pricing contracts
- They operate multiple branches with different inventory levels