Accurate structural engineering calculations to ensure your signage is safe and secure.
YJ Inc provides structural calculation documents for blade signs, monument signs, pylon signs, awnings, channel letters signage, LED Cabinet Replacement, Roadway Spanning Signs, Billboards Signs, Flat Wall Panels, Cabinet Engineering, and Parapet Signs. Along with preparing engineering documents, we also offer our Structural Observation, Structural Inspection/Survey, and Concrete Mix Design Review services.
With over 45 years of combined experience in structural engineering, including 20 years specializing in Signage Structural Design, YJ Inc. is a leading firm in sign engineering. We provide fast and reliable turnaround times for engineering documents required for permitting, all at a competitive, fixed project price. There are no additional fees for minor revisions before final wet-stamped drawings are submitted to clients.