YJ Inc provides sign engineering 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.

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Our team has a combined 40+ years of structural engineering experience with 15 years of focused experience in sign engineering. We have engineered signage throughout the world, and have a thorough knowledge of differing jurisdictional codes, as well as the international building code.


Our staff is committed to pro-active problem solving, and are always accessible and responsive, so projects move forward with maximum cost efficiency.


Submit your elevation drawings to quote@yjinc.com or use our online submit form, we will review them and provide you with a quote to provide wet stamped engineering for permit acquisition.

1 to 2 day turnaround on most projects.


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