SG Blocks, Inc. is a design and construction services company using code-engineered cargo shipping containers. The Company is engaged in the business of fabricating modules for construction of buildings. The Company provides SG Blocks, which are a code engineered cargo shipping containers. It also provides modules, which are prefabricated steel modular units created for use in modular construction. It provides engineering and project management services related to the use of modules in construction. It offers GreenSteel Module, which is the structural core and shell of an SG Blocks building. The Company provides a variety of services from pre-development to completing projects that include delivering a finished building. It offers pre-development services, including zoning, site plans, engineering specifications, budgeting and collaborates with the customer in obtaining construction permits and general contractor selection. SG Building Blocks, Inc. is the subsidiary of the Company.