How many attorneys does lathrop gpm have? Our nearly 400 attorneys practice in 14 offices nationwide, located from coast to coast – allowing us to quickly respond to clients’ needs at the local, state or national levels. Lathrop GPMWhy choose listlathrop gpm? Lathrop GPM represents clients throughout the nation and the world from our coast-to-coast locations. No matter what vision you have for your business, we provide Where is lglgpmc located? LGPMC’s headquarters is located just three blocks from the historic Missouri State Capitol building in downtown Jefferson City. The Lathrop GPM building provides our clients with event space, conference rooms and offices, Guest WiFi, and audio/visual equipment and connections.