Note that some certifications listed below are primarily for products or buildings. There are few certifications of whole businesses due to the complexity.
National Certifications
Green Business League Green Business League (Audited by Professional Auditors)
Green Business Bureau Green Business Bureau (Audited)
Global Reporting Initiative (Reporting Framework Provider)
Green Seal Certification (Audited) (Currently Under Development)
Green C Certification (Audited)
EarthRight Business Institute (Audited)
The Audubon Cooperative Sanctuary Program (Audited)
The B Rating System (Audited)
State and Regional Certifications
Omaha Green Business Certification
Montgomery County, MD Green Business Certification
--Details on State and Regional Certification Programs are available through the Western Sustainability and Pollution Prevention Network (WSPPN)
