PB2 Architecture & Engineering is a diverse architectural and engineering firm established in 1962 in Rogers, Ark. The firm offers architectural services as well as electrical, mechanical, structural and civil engineering services on a local, regional and national basis. PB2 Architecture is licensed in all 50 states, the District of Columbia and Puerto Rico; PB2 is a diverse architectural and engineering practice with an emphasis on retail design services nationwide.. Architectural and Engineering Services