Crestron Electronics doesn't mind if its customers have control issues. The company provides hardware and software used to control and automate environmental systems (HVAC, lighting, and window coverings), audio and video systems, as well as computer networks, and security systems. Its products include amplifiers, controllers, management software, remotes, touch panels, tuners, cabling, and cabinet enclosures. It markets to consumers, as well as businesses, government agencies, hospitals, and schools; the company's commercial customers include airports, hotels and casinos, museums, restaurants, and retailers. Crestron, which has more than 90 offices worldwide, is owned by the founding Feldstein family.