The Company provides the following distinctive services: (a) direct hire placement services, (b) temporary professional services staffing in the fields of information technology, accounting, finance and office, engineering, and medical, and (c) temporary light industrial staffing. These services can be divided into two reportable segments, Industrial Staffing Services and Professional Staffing Services. Some selling, general and administrative expenses are not fully allocated among light industrial services and professional staffing services.

Unallocated corporate expenses primarily include, certain executive compensation expenses and salaries, certain administrative salaries, corporate legal expenses, stock compensation expenses, consulting expenses, audit fees, corporate rent and facility costs, board fees, acquisition, integration and restructuring expenses, and interest expense.

¹ Includes $1,284 and $1,432 of annual premium refunds from the Ohio Bureau of Workers Compensation for the fiscal 2020 and 2019, respectively. The Industrial Services gross margins normalized for the effects of these items were approximately 14% for the fiscal 2020 and 2019, respectively.

² Includes certain costs and expenses incurred related to restructuring activities, including corporate legal and general expenses associated with capital markets activities and not directly associated with core business operations. These costs were $4,277 and $4,281 for fiscal 2020 and 2019, respectively, and include mainly expenses associated with former closed and consolidated locations, personnel costs associated with eliminated positions, costs incurred related to acquisitions and associated legal and professional costs.