 NEW YORK--BUSINESS WIRE--SG Blocks, Inc. NASDAQ: SGBX SG Blocks or the Company, a leading designer, innovator and fabricator of container-based structures, announced today that it has launched its real property development arm, SGB Development Corp., whose mission is to maximize the delivery of low- and moderate-income housing. The Company will work with financial and lending partners to develop low- and moderate-income housing across the country. SG Blocks, since inception, has had a 