In April 2012, the company received an additional $9.3 million from existing investors, bringing the total money raised to $50.3 million. The company continued to pursue options in vertical farming, contained environmental agriculture, and tissue culture laboratories as well as general illumination. Illumitex had 35 employees in 2012. The company raised $3.8 million in 2013 and added around $6 million in 2014. In August 2014, Illumitex announced plans to double the size of its headquarters. In 2015, the company secured $16 million in a funding round led by WP Global Partners. As of 2015, greenhouses account for the largest portion of Illumitex's customer base. The company has also provided lighting to prominent vertical farms like the Chicago-based FarmHere, which provided crops to Whole Foods.
