Planet Underground Competitors

Welcome to the official LinkedIn page of the Southeastern Pennsylvania Transportation Authority (SEPTA). SEPTA is the nation’s sixth largest transit system, with a vast network of fixed route services including bus, subway, trolley, trackless trolley, and Regional Rail, as well as ADA paratransit and Shared Ride programs. This network provides service in Bucks, Chester, Delaware, Montgomery and Philadelphia Counties with connections into New Jersey and Delaware. SEPTA is also one of the region’s largest employers, with a workforce of approximately 9,500 employees. Our mission is to be a customer-driven organization focused on delivering the best in convenience, cleanliness, courtesy, and communications.

DFI is the leading international association of contractors, engineers, manufacturers, suppliers, academics and owners in the geotechnical and geoenvironmental industry. We create a consensus voice and common vision for continual improvement in the planning, design and construction of deep foundations, ground improvement, excavations, tunneling and more. The DFI LinkedIn platform serves as a central global archive for four core technical pillars: GEOTECHNICAL EVENTS & CONFERENCES We host conferences, technical panels and multiday seminars—including SuperPile, S3 Conference and our Annual Conferences—to solve complex infrastructure, slope stability and geotechnical challenges. TECHNICAL PUBLICATIONS & MAGAZINE ARTICLES We provide access to peer-reviewed research and practical insights through our guides, specifications and position statements, our peer-reviewed DFI Journal, and Deep Foundations magazine. GEOTECHNICAL EDUCATION & RESEARCH Through our technical committees, we disseminate definitive guidance, academic research and practical webinars to advance global construction standards. DFI EDUCATIONAL TRUST INITIATIVES We support the future of the civil engineering workforce by funding academic scholarships, providing research and professional development grants, and connecting students with geotechnical industry leaders and career resources.