Sec. 1. (a) "Employing unit" means any individual or type of organization, including any partnership, limited liability partnership, association, trust, joint venture, estate, limited liability company, joint stock company, insurance company, corporation, whether domestic or foreign, or the receiver, trustee in bankruptcy, trustee, or successor to any of the foregoing, or the legal representative of a deceased person, which at any time has had one (1) or more individuals performing services for it within this state for remuneration or under any contract of hire, written or oral, expressed or implied. Where any such individual performing services hires a helper to assist in performing such services, each such helper shall be deemed to be performing services for such employing unit for all purposes of this article, whether such helper was hired or paid directly by the employing unit or by the individual, provided the employing unit has actual or constructive knowledge of the services.
(b) All such individuals performing services within this state for any employing unit which maintains two (2) or more separate establishments within this state shall be deemed to be employed by a single employing unit for all purposes of this article.