Louis Berger is an Engineering News-Record top-20 ranked, $1 billion global professional services corporation that helps clients solve their most complex infrastructure and development challenges. Delivering major infrastructure redevelopment programs in highly populated, urban areas. Constructing and rehabilitating critical infrastructure in fragile states and developing countries. Fostering sustainable livelihoods and economic development worldwide. Preserving and protecting the environment to ensure that future generations have access to clean air and water, fertile soil, open spaces and sustainable resources. Preserving the aesthetic, environmental, historical and cultural integrity of national and historic landmarks around the world.