Larsen Manufacturing Company

4116 W. 5800 N. Mountain Green, UT 84050 USA

Simply the best sign and display rotators in the world!

At Semco we take pride in helping you find solutions to your sign and display challenges. Our customers are some of the most creative people in the world and we enjoy taking part in their creations. We understand the necessity of customizing your rotators with very short lead times. All manufacturing is done in house and we have the experience and flexibility to meet your needs.
You are in business to make a profit and we can help. Semco rotators can add value to your products. Our rotators are strong, reliable, and affordable. By adding motion to your creations you can gain a creative advantage over your competitors, increase the size of your product line, and increase your profits.


We may already have the solution to the problems and projects you are trying to tackle. We enjoy helping our customers meet tight deadlines or come up with new ideas for unique projects. We are happy to take the time to answer your questions and help you so you can confidently work on new projects using our products.


Semco sign and display rotators will make your signs and displays better, ask us how we can help.


Toll Free: 866-699-5918, Office: 801-876-2111, Fax 801-876-2115