Offices Closed for Christmas: All county offices will be closed on Monday, Dec. 24, and Tuesday, Dec. 25, for the holiday. This includes parks offices, public works, courts and all other administrative offices. Offices will re-open Wednesday, Dec. 26.

Chambers of Commerce

The following is a list of Chambers of Commerce that reside within Collin County. If you have any modifications or additions to make to this list, please contact the Public Information Office at publicrelations@collincountytx.gov.

Allen Fairview Chamber of Commerce

Anna Chamber of Commerce

Blue Ridge Chamber of Commerce

Celina Chamber of Commerce

Collin County Black Chamber of Commerce

Farmersville Chamber of Commerce

Frisco Chamber of Commerce

McKinney Chamber of Commerce

Melissa Chamber of Commerce

Murphy Chamber of Commerce

Plano Chamber of Commerce

Princeton Chamber of Commerce

Prosper Chamber of Commerce

Richardson Chamber of Commerce

Royse City Chamber of Commerce

Wylie Chamber of Commerce

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Chambers of Commerce