Abeinsa Holding Inc. is a Delaware-based engineering and construction firm and a subsidiary of the Spanish clean technology company Abengoa, S.A. The company operates within the United States, specializing in the development, procurement, and construction of energy, water, and industrial infrastructure. Its business units focus on solar energy plants, biofuel technology, and water management systems. The firm maintains a regional presence in the U.S. market, employing approximately 100 people and managing various large-scale infrastructure projects.