Altieri is an MEPF consulting engineering firm headquartered in Wilton, Connecticut, with a second office in Boston. It is known for work on museums, performing arts venues, higher education and historic buildings. Fire protection engineering is a named discipline at the firm. Its fire protection engineers design fire pump, standpipe and sprinkler systems, clean agent systems and special suppression systems to national, state and local codes, with a focus on low-visibility installations in complex spaces.