OPINION
PER CURIAM:
Because appellant, Bean, Inc., did not contractually agree to submit to arbitration pursuant to the Construction Industry Arbitration Rules of the American Arbitration Association, we vacate the order of the lower court compelling appellant’s joinder in the arbitration proceeding between appellee, Thomas A. Armbruster, Inc., and Interstate Dress Carriers, Inc. HOFFMAN, J., did not participate in the consideration or decision of this case.