Since 1983, the insurance industry leaders have depended on Insurance Overload Services, Inc. (IOS) for staffing solutions. W ... ith IOS’ niche specialization being defined as providing the highest caliber of skills for insurance professionals supporting the insurance/healthcare industry – IOS has become one of the largest full service staffing firms in the industry supporting our niche. IOS provides flexible staffing solutions to meet the workforce needs in support of 52 metropolitan cities nationwide. Our full-service spectrum portfolio of services includes Temporary, Temp to Hire, Direct Placement Services and Payroll Only Services. read more