Keller Engineers provides civil engineering, structural engineering and surveying services to private, municipal, state, and federal clients.  The firm employs professional engineers; professional landscape architects; registered surveyors; designers; engineering, survey, and CAD technicians; environmental and energy specialists; analysts bridge inspectors; construction inspectors; a funding/grant coordinator; and administrative personnel.

Our professionals bring the experience and expertise necessary to serve clients throughout Pennsylvania, Maryland, New Jersey, Ohio, Virginia, and West Virginia. Primary markets include commercial, corporate, industrial/business parks, government, education, healthcare, financial, residential, recreation, retail, hospitality, agricultural/natural resources, transportation (roadway, bridge, and rail), water, and wastewater.