Suppliers

Selling to cannabis,
made simple.

Reach 2,200+ operator locations through one integrated channel. List products, fulfill orders, and consolidate shipments - all from one supplier portal.

Reach

One channel, every cannabis operator.

MainStem is the only network that connects you directly to multi-state operators, dispensaries, and cultivators with structured procurement workflows. Sell into the whole industry without the channel overhead.

  • 2,200+ operator locationsDiscover and transact with verified cannabis buyers.
  • Demand signalsSee what operators are searching, comparing, and reordering.
MainStem supplier sales dashboard with orders needing acceptance
Fulfillment

Order management that works the way you ship.

Receive POs, manage allocation, generate packing slips, and consolidate shipments - in MainStem or pushed straight into your existing ERP.

  • Order workflowFrom PO receipt to invoice generation, all tracked.
  • Shipment consolidationCombine multi-location orders into a single ship-out.
  • ERP pushNative integrations with the systems you already run.
MainStem supplier order management dashboard
Catalog

Manage your catalog & pricing in one place.

Upload your full product catalog, set tiered and contract pricing, and update everything in real time. One source of truth, every operator buyer.

  • Bulk catalog uploadCSV import, API sync, or manual entry - whatever fits.
  • Tiered & contract pricingVolume discounts, account-specific rates, promotions.
MainStem supplier product information editor

Start working at the speed of cannabis.