Managed by CB Richard Ellis, 1166 Avenue of the Americas (formerly known as the International Paper Building) is the headquarters of professional services firm Marsh & McLennan Companies. In 2006, Shmerykowsky Consulting Engineers engineered a 20 floor restack project for Marsh & McLennan, including the reinforcement and support for multiple high density files systems, stair removals and stair closure, the installation of new interfloor stairs, structural support for miscellaneous architectural items and folding partitions, review of existing structure for superimposed loads due to new mechanical and computer equipment and the the installation of reinforcement as required, and new slab penetrations and closing existing slab penetrations. SCE is the building engineer at this 44 story high-rise.