*Design and Installation: Audio/Visual, Lighting, Data Lines, Local Area Networks *Live Events: Concerts, Conferences, Worship Gatherings *Equipment Rentals and Sales: Audio, Video, Lighting, and Accessories At KS Professional Services, LLC, our mission is simple, to deliver your message, loud and clear. Based in Metro Philadelphia, we are a full service AV company, offering Event Production, System Design & Installation, and Equipment Sales. We boast a staff of highly skilled professionals that aren't happy unless you are happy. Our goal is to make sure your event or project is not only successful, but better than you imagined it could be.