Inside the San Francisco office of LEWIS Global Communications Agency.

LEWIS Group Companies.

piston logo

purestone logo

Piston is a full service agency located in San Diego that creates successful communications between brands and customers based on a deeper understanding of commerce, culture and technology.

By connecting these three concepts, they build and track brand relationships that span all media, channels and marketing capabilities.

LEWIS Purestone is an award-winning digital communications agency. 

A destination for forward-thinking B2B brands and a break from the norm for B2C. Client-side and real world grit, blended with front to back creative thinking and technical prowess. The result is digital strategies and projects that push boundaries and above all deliver ROI.