This study sought to determine the need for labor market information in the San Francisco-Oakland and San Jose Metropolitan areas of California. Respondents included representatives of public and private employment agencies, community antipoverty agencies, school administrators and counselors, employers, union members and high school students. Top priority needs recorded were information about current job opportunities, job prospects, and current demographic statistics for small areas. Conceptualized and described in terms of 28 components is a labor market information system designed to satisfy requirements registered by respondents. Other content inclusions are: (1) a discussion of problems encountered in the model design process, (2) input source data, (3) out-put format requirements, (3) transformations and mechanisms specified for each component, and (4) evaluation and criteria development procedures. Policy recommendations include suggested strategies for implementation of the system. (Author)