- TRDC 2002 It's time for TRDC! Get more information here. Go 4th in the Nation! Oklahoma City ranked 4th in the nation for business expansion. Go See our City! New Century Tour is currently running! Find more information here. Go Enter your company in the Metro 50! Get the application here. Go 2002 Greater Oklahoma City Chamber of Commerce Search | Contact Us | Terms and Conditions ...www.okcchamber.com