Built for First Responders, by First Responders At The Flat Line Co., our mission is simple: to provide emergency service professionals with the tools they need to perform at their best when it matters most. Every design starts with real challenges faced by first responders and is built into a dependable solution, rigorously tested in the field. the best solutions come from those on the front lines actually doing the job. That’s why we listen to your feedback—it’s the foundation of everything we make. Our team of first responders focus is clear: design tools that make your job easier so you can focus on serving those who rely on you.