What is already known on this topic? US smoking rates have steadily declined over time, but e-cigarette use and dual use are becoming increasingly popular. Increased worksite evidencebased interventions are still needed for tobacco control. What is added by this report? Employment type, age, sex, race/ethnicity, education, and health care coverage were associated with e-cigarette use and dual cigarette and ecigarette use. Recent quit attempts were higher among dual users. Tobacco-product use varied by state. What are the implications for public health practice? These findings suggest the importance of targeting efforts when designing and implementing worksite interventions for tobacco control and cessation in the workplace.