PEN Inc is engaged in the marketing and sale of products enabled by nanotechnology. It develops and sells products based on its portfolio of intellectual property and its products include a portfolio of nano-layer coatings, nano-based cleaners, printable inks, and pastes and thermal management materials. Its segments include the Product Segment and the Contract services Segment. The company's Product segment is engaged in the development of specialty products utilizing nanotechnology to deliver performance attributes at the surfaces of a range of substrates. The company's Research and Development segment functions as the Design center for its new products.