Martinelli Environmental Graphics

Custom interior and exterior signage is designed, manufactured, and installed for corporate, institutional, retail, and hospitality environments. Signage includes donor recognition, ADA, and building code applications. The work spans design and build services, prototype fabrication, shop and engineering-compliant drawings, and permits. Project managers coordinate with clients and their representatives throughout each job, from prototype stage through final installation. Fabricators work with a wide variety of materials, and the team installs signs ranging from exterior monuments to interior building code signage. Additional or replacement signs can be provided as company needs change. The company also supports architects, designers, and contractors. It operates in San Francisco.