The Service Contract Labor Standards statute does not apply to-

1. (a) Any contract for construction, alteration, or repair of public buildings or public works, including painting and decorating;

2. (b) Any work required to be done in accordance with the provisions of 41 U.S.C. chapter 65;  

3. (c) Any contract for transporting freight or personnel by vessel, aircraft, bus, truck, express, railroad, or oil or gas pipeline where published tariff rates are in effect;

4. (d) Any contract for furnishing services by radio, telephone, or cable companies subject to the Communications Act of 1934;

5. (e) Any contract for public utility services;

6. (f) Any employment contract providing for direct services to a Federal agency by an individual or individuals; or

7. (g) Any contract for operating postal contract stations for the U.S. Postal Service.