Deals & DealmakersInsurance brokerage firm USI takes 34,080 s/f at Sapir’s 261 MadisonREWOctober 24, 2017 by REWOctober 24, 201701182 Insurance brokerage and consulting firm USI Insurance Services has signed 34,080 s/f lease at the Sapir Organization’s 261 Madison Avenue in Midtown. USI, which was previously