Emerson Final Control - Valves & Controls With an unparalleled breadth of products, project management, connected services, and service networks, Emerson leads as a global manufacturer supplying and servicing all valves everywhere. Our portfolio, comprised of most trusted brands such as Anderson Greenwood™, Bettis™, Crosby™, Clarkson™, Fisher™, KTM™, Keystone™, Vanessa™ and Yarway™, is backed by decades of field- proven experience enabling customers to achieve Top Quartile performance.