This follow-up study tracked the employment outcomes, job retention, and average wages of 576 individuals in Washington State with mental health disabilities or developmental disabilities 2 years after they had received supported employment services and entered into competitive employment. The study matched client records from the Division of Vocational Rehabilitation with Employment Security earnings records. The study was able to track the employment outcomes of 86 percent of the individuals. It found that for those with developmental disabilities, about 70 percent were still employed after the first and second years and for those with disabilities related to mental health, about 70 percent were employed at the end of the first year and 50 percent at the end of the second year. Patterns of retention in employment were quite similar, regardless of gender, age, or race/ethnicity. Wages averaged between $400 and $500 per month the first year, increasing to about $570 during the second year. These wages were obtained by working, on average, about half time, at $5 to $6 per hour. Among those with mental health disabilities, the clients who received additional services as a result of a 1993 legislative proviso had higher wages than others. Tables and graphs detail the findings, and an appendix explains methodological issues and the automated monitoring process. (DB)