Project EXCEL, a workplace literacy project involving four small business enterprises in San Francisco, is evaluated. The project focused on literacy and basic skills training for limited-English-proficient (LEP) workers. The businesses included the following: a communications and mass mailing firm; a dessert wholesale company; a Mexican restaurant and food product manufacturer; and an outerwear design and contract manufacturer. Three general areas comprised the evaluation: the extent to which the literacy abilities of the workforce participants improved; the extent to which their productivity improved; and the relationships between literacy gains, productivity gains, and worker advancement. Logistics of operating an English-as-a-Second-Language (ESL) oriented workplace literacy program in a series of diverse small business settings were also assessed. Evaluation instruments and procedures were developed and employed across the worksites. Conclusions are as follows: there was a need for this program; the program accomplished its overall goals; learners perceived substantial gains in language/literacy and some gains in productivity; employers perceived substantial gains in language/literacy and productivity, and saw a relationship between the two; and worker-learners demonstrated measurable and substantial gains in general language/literacy skills. Evaluation instruments and objectives of each curriculum module are included. (Adjunct ERIC Clearinghouse on Literacy Education) (LB)