CIVIL ENGINEERSENGINEERING - SITE DEVELOPMENTENVIRONMENTAL APPLICATIONS & PERMITSENVIRONMENTAL CONSULTANTSPHASE I ENVIRONMENTAL SITE ASSESSMENTS
Marathon Engineering & Environmental Services, Inc. (Marathon) is a civil engineering and environmental consulting firm serving the Delaware Valley. Marathon’s staff is comprised of engineers, planners, scientists, geologists and designers enabling us to handle a wide array of projects ranging from residential/commercial site planning to land use permitting to environmental due diligence services.