Vertical lines symbolize stability, strength and balance. The precision of the verticals also adds strength and professionalism. They are often used in corporate logos Vintage Logo Design Experts in USA in competitive industries to foster a sense of professionalism, reliability and efficiency. However, this concept can be a little hard to get out of, as vertical lines often symbolize coldness, aggression, dominance and aggression. If this is not what you are looking for, vertical line-based logos should be carefully considered.