- Impact Signs carries every signage option necessary for a beautifully designed and easily maneuvered stadium. We can provide everything from large, impactful scoreboards to uniquely designed wayfinding signs that fit in with your stadium’s overall theme. For interesting and trendy sign options, consider flexible message centers or LED Boards, both of which can be changed to relay original messages from your own personal computer. For more signage options within and outside your stadium, consider channel letters or neon signs. Each can be formed to match logos and even more characteristic designs with an infinite number of design options.