"Public body" means the State or any agency or instrumentality of the State;
"Public work" means public work as defined in section 2 of P.L. 1963, c.150 (C.34:11-56.26) and which is subject to the provisions of P.L. 1963, c.150 (C.34:11-56.25 et seq.). Public work shall not include the provision of goods or products.
"Qualifying services" means the provision of any service to the State or to any other public body, except for public work as defined in section 2 of P.L. 1963, c.150 (C.34:11-56.26).
"Service" means any act performed in exchange for payment, including the provision of professional services, but shall not include the sale of goods or products.
N.J.S. § 34:11-56.14