Industrial Customers

• Air Liquide
• E.I. DuPont de Nemours
• Air Products and Chemicals, Inc.
• ICI Americas
• Allied Signal
• Konica
• Astra Zeneca
• Lear Seating
• Basell Polyolefins
• Rohm & Haas Electronics
• Ciba Pigments
• Siemens
• Dade Behring
• S.P.I. Polyols
• Delmarva Power/Conectiv
• W.L. Gore and Associates, Inc.
• Hercules
• Walker International

Commercial Customers

• Accenture
• Longwood Gardens
• Acme Markets
• MBNA America
• A.I.G.M.
• Office Max
• Albertson
• Stanley Steemer
• Borders Book and Music
• State of Delaware
• Cecil County
• Union Hospital
• Comcast Cable
• University of Delaware
• Dover Air Force Base
• Wilmington College
• First USA Bank
• Wilmington Friends School
• Goldey Beacom College
• Wachovia Bank