Design consulting and engineering firm Pennoni Associates specializes in the creation of civil infrastructure projects. The company offers construction services, planning, surveys, transportation planning, lab testing, environmental engineering, landscape architecture, site design and other services. Pennoni serves East Coast clients including government entities and private companies. Affiliate Pennoni Engineering and Surveying of New York specializes in heating, ventilation, and air conditioning systems, electrical, plumbing, and fire protection engineering. Subsidiary Patton Harris Rust & Associates offers engineering and planning services in Maryland and Virginia.