MatTek Corporation specializes in producing innovative 3D human cell-based models for in vitro testing applications. Their focus is on developing and manufacturing tissue models that mimic human tissues and organs, serving as alternatives to traditional animal testing methods. These tissue models, often referred to as "tissue equivalents" or "organotypic models," are used by researchers and industries such as pharmaceuticals, cosmetics, and consumer products for various purposes, including toxicity testing, drug screening, and efficacy assessment.