Corporate Program
Costco Wholesale
Certifications Accepted
3
Supplier Portal
Visit ↗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.
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, which diversity certifications Costco accepts, 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.
Other buyers like this one
Corporate programs sourcing in similar categories.
Before you apply
Confirm certification before registering with Costco Wholesale.
Costco Wholesale's supplier portal requires a current diverse-business certification at registration. The quiz cross-checks which certifications Costco Wholesale accepts against the ones your business qualifies for, so you don't waste time pursuing a certification this buyer won't recognize.