Any employee employed by any retail or service establishment (except an establishment or employee engaged in laundering, cleaning, or repairing clothing or fabrics or an establishment engaged in the operation of a hospital, institution, or school described in section 3(s)(4), if more than 50 per centum of such establishment's annual dollar volume of sales of goods or services is made within the State in which the establishment is located, and such establishment is not in an enterprise described in section 3(s) or such establishment has an annual dollar volume of sales which is less than $250,000 (exclusive of excise taxes at the retail level which are separately stated). A “retail or service establishment” shall mean an establishment 75 per centum of whose annual dollar volume of sales of goods or services (or of both) is not for resale and is recognized as retail sales or services in the particular industry.