Arbitration Forums Logo. 3820 Northdale Boulevard, Suite 115.Org with any questions. Forprofit organization and world's largest provider of arbitration, mediation and other alternative dispute resolution (ADR) services. Contact Us. Please fill out the contact form to ensure that your inquiry is directed to the appropriate team member. FINRA operates the largest securities dispute resolution forum in the United States. The preeminent organization of labor and employment arbitrators, serving members in the U.S. and Canada since 1947. They show up in telephone and cell phone contracts. If so, please apply! Parties who mediate at this forum resolve four out of every five cases.