Reliable Sign Maintenance Even the highest quality signs need maintenance on occasion. Bulbs can go out and varying weather conditions will naturally be a negative factor on your sign over time. At Parvin-Clauss we consider these factors during fabrication and make sure that your sign is built with the finest materials and components. We're mindful of accessibility to these components and build our signs so maintenance technicians can gain access to parts that need servicing in an uncomplicated fashion. Fewer service calls and faster service time results in lower maintenance costs for you. We also offer emergency sign repair in the Chicagoland area using our own crews of sign maintenance professionals. Click here to learn more about our maintenance program. Maintaining your sign's appeal is important to us.