On Thirteenweeks.com is a premier staffing company, whose sole focus is placing healthcare professionals in contract, contract-to-hire and direct hire positions. With an excess of 100,000 successful matches over the past 20 years, we have built a reputation as one of the best in the business. To that end, we have attracted a client list that spans the entire range of healthcare and related organizations, including some of the most respected names in the industry.