The Callos Companies provides human resource services. It has offices in Pennsylvania, Ohio, Maryland and Kentucky. The company provides services such as recruiting and staffing for employers, as well as related services such as employee leasing, outplacement, payrolling and executive coaching. Callos interviews and tests potential candidates for any position under consideration, in order to provide employers with qualified temporary staffing. It also offers drug screening and criminal background checks. Callos also offers business insurance plans and financial products, including retirement planning, college funding, medical and dental insurance, and Medicare supplements. Voluntary benefits such as disability, life, cancer and critical illness coverage are also available.