Stephens & Associates, a family-owned research company, is celebrating 30 years of business this year. The company conducts paid clinical studies for global, well-known cosmetic, beauty, personal care and pharmaceutical companies for claims substantiation and safety. The company, located at 1801 N. Glenville Drive, Richardson, is always seeking men, women, teens and children looking to earn money through participation in clinical trials. Interested participants can call 833-530-7596 or visit www.sastudies.com.