Greython Construction announces an expansion into Manhattan NY. Greython is proud to announce that they have opened offices at 15 West 36th, 3rd Floor, NY, NY to service our growing backlog of projects in Manhattan and surrounding Boroughs. Greython is actively building numerous projects in New York City including a New Johnny Rockets at 34th Street and 7th Ave, a complete 21 story interior fit out on 96th street, and an exclusive residential unit on Gramercy Park South. Furthermore Greython has added several executive team members to service the New York office.