STOW: The Stow Community Improvement Corp. has awarded three development assistance grants to Stow businesses on Commerce Drive.Walter Metals will receive $20,000 to help with a 21,000-square-foot expansion to increase production and warehouse capacity. The metal processor and distributor will employ at least 20 people as part of the grant requirement.Process Dynamics, which designs systems for the heat transfer industry, will receive $7,500 to help in relocating to an industrial building at 1659 Commerce Drive from another Stow site.