Two case studies examined the efficacy of two social enhancement procedures--individual social skills training (SST) and co-worker intervention for two employees with dual sensory impairment who were working in competitive employment settings but who were socially isolated from contact with their nondisabled co-workers. A variety of measures, including direct behavioral observations and social validation ratings, examined social interaction and the formation of social networks in the workplace. Results showed that the number and duration of social interactions improved with each of the social enhancement programs. Social validation data and anecdotal reports indicated that the employees with disabilities became more socially competent, interactive, and included in the social network of the workplace. Interestingly, SST followed by co-worker training resulted in greater increases in social responding as compared to co-worker training followed by SST.