Grandwell Industries manufactures and distributes electronic messaging systems for customers throughout the United States and the world. Its products include outdoor electronic LED signs, indoor LED displays, moving message boards, variable message signs, tickers, electronic message centers and video boards. One of its innovations is a line of outdoor, network-capable LED signs with displays of up to 16.7 million colors. The company also supplies wholesale and retail signs and components, and equipment and supplies. Grandwell Industries was founded in 1989 and is located in Holly Springs, N.C., near Research Triangle Park. The company is a member of the International Sign Association.