SG Blocks, Inc. designs and modifies code-engineered cargo shipping containers and purpose-built modules for commercial, industrial, and residential building construction in the United States. The company redesigns, repurposes, and convert heavy-gauge steel cargo shipping containers into SGBlocks, which are green building blocks for construction. It serves architects, landowners, builders, and developers. SG Blocks, Inc. was founded in 2007 and is headquartered in Jacksonville, Florida.