What is supplier diversity?

Supplier diversity is a procurement practice: a buyer includes certified small and diverse-owned businesses in its vendor base and measures how much it spends with them. In the United States it runs on two tracks, federal and corporate, and each track uses its own certifications.

The federal track. The Small Business Act sets governmentwide goals in 15 U.S.C. 644(g): at least 23% of prime contract dollars to small businesses, and at least 5% to small disadvantaged businesses, 5% to women-owned small businesses, 5% to service-disabled veteran-owned small businesses and 3% to HUBZone small businesses. SBA certifies firms for the 8(a) Business Development, HUBZone, WOSB/EDWOSB and VetCert (VOSB and SDVOSB) programs, and agencies reach their goals partly through set-aside and sole-source awards to those firms. SBA grades every agency on an annual scorecard. For FY2025 it reported $179 billion in prime contracts to small businesses, nearly 28% of the total, including $24.3 billion to 8(a) firms and $32.5 billion to SDVOSBs.

Eligibility rules changed in 2026. SBA's final rule of August 11, 2026 removed the presumption that members of certain groups are socially disadvantaged for 8(a). An individual applicant now documents that a government or private entity discriminated against or disfavored a group they belong to, and self-certifies membership and material harm (13 CFR 124.103(c)).

The corporate track. Large companies run supplier diversity programs voluntarily and set their own rules. They rely on private certifiers: NMSDC for minority business enterprises (MBE), WBENC for women's business enterprises (WBE), NGLCC for LGBT business enterprises, Disability:IN for disability-owned business enterprises and NaVOBA for veteran business enterprises. NMSDC certifies through regional affiliates and lists certified firms in a database its corporate members use to find suppliers. Each buyer decides which certifications it recognizes, and programs have changed since January 2025, so read a buyer's current supplier page before you plan around it.

What certification does and does not do. Certification is an eligibility determination. NMSDC states that MBE certification does not guarantee contracts or procurement outcomes, and a federal certification only lets you compete for work an agency decides to set aside or award sole source.

Where to start. Match the certification to the buyer. For federal agencies, register in SAM.gov and look at the SBA program whose rules fit your ownership, location or industry; SBA decides eligibility. For corporate buyers, find out which certifier each target buyer recognizes and apply there. A firm that sells to both can hold one federal and one corporate certification.