Sigma Computing has taken just over 64,000 square feet for part of the third floor at the trophy office tower in Midtown South. This brings 1 Madison to 78.1% leased and SL Green's total leasing for ...

Youngwoo & Associates has sold the historic Bronx General Post Office at 558 Grand Concourse for $44 million, according to a ...

Sigma Computing, a cloud-based data analytics and software platform, signed a lease for 64,000 sf at SL Green’s One Madison ...