Program overview
How Costco Wholesale's supplier diversity program works.
Costco seeks quality suppliers who can deliver exceptional value. We welcome partnerships with certified diverse businesses.
Read the step-by-step guide: How to become a Costco supplier (and how Supplier Inclusion actually works).
Accepted certifications
Which certifications Costco Wholesale recognizes.
To register on Costco Wholesale's supplier portal as a diverse supplier, you need to hold at least one of the certifications below. Each link goes to the full guide for that certification: eligibility rules, application steps, and the issuing body.
Categories of spend
What Costco Wholesale sources from diverse suppliers.
Registration process
How to register as a Costco Wholesale supplier.
Submit vendor inquiry through Costco website. High volume capability required.
Go deeper
The complete guide to becoming a Costco Wholesale supplier.
How to become a Costco supplier in 2026: the vendor path, the Supplier Inclusion program, accepted diversity certifications, and what it really takes.
Read the Costco Wholesale supplier guide →From the procurement team
What Costco Wholesale buyers look for.
Value proposition is key. Costco needs suppliers who can deliver quality at scale with competitive pricing.
