WILLOW GROVE, Pa.--(BUSINESS WIRE)--Imperial Dade has acquired the assets of PCA Industrial & Paper Supplies, Inc. ("PCA"). The transaction represents the fourteenth acquisition for Imperial Dade, a leading national distributor of disposable food service and janitorial supplies, under the leadership of Robert and Jason Tillis, CEO and President of Imperial Dade, respectively. Based in Willow Grove, PA, PCA is a distributor of paper products, janitorial supplies and cleaning equipment servin