Supporter

Introduction A Supporter membership allows anyone whose ideals are aligned with the GMA’s mission to financially support the organization with no formal obligations to the…

General Member

Introduction A General Member membership is for individuals of all levels of expertise that are looking to establish relationships with other reputable collectors and dealers…

Affiliate

There are three types of Affiliates: Business (for-profit) that wishes to gain a financial and/or marketing benefit from associating and being affiliated with the GMA.…

Trusted Business

Introduction Trusted Business members receive the greatest benefits of the membership types including public recognition as a trusted seller, free posting of online classified ads,…

Educational

Introduction Meteorites and meteorite science are fascinating subjects for all ages. Since outreach and education are core missions for the GMA, the GMA welcomes all…