Vendor Applications for 2026 Mason County Annual Roundup Weekend have officially CLOSED.

However, if you are still interested in becoming a vendor for Roundup Weekend 2027, we would love to hear from you!

Contact the Mason County Chamber of Commerce and add your name to our Vendor E-mail list for 2027!

Email: chamber@masontx.org or info@masontx.org

Phone: 325-347-5758