tree in backyard


in business since
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About Us

  • on Angie's List for 3 years
In brief, Don Lee Margin has been serving the janitorial and maintenance needs of local communities here on the Eastern Shore for nearly 50 years. Don-Lee Margin legacy began in 1967 with a “one man/one truck” crew completing small janitorial jobs. Growing steadily as demand increased, we became the Resident Janitorial Contractor to the E.I. DuPont Nylon Plant, along with many other large facilities across Delaware and the Eastern Shore of Maryland. With a rich history of providing quality products along with superior service and performance, we have grown to where we now support hundreds of customers, 24 hours a day, 7 days a week, all across the Delmarva Peninsula. As the premier Janitorial and Maintenance Contractor here on the Shore. To that end, we wanted you to be aware that the owner of Don-Lee Margin (along with her Management Team) would very much welcome an opportunity to get on your calendar and meet with you personally to gain a comprehensive understanding of your janitorial needs and to amplify on how we could partner with your Organization to the mutual benefit of us both. In the interim, please feel free to visit our website at for a general overview of the products and services we believe may be of interest to you.
Phone Number
(302) 629-7567
Seaford, DE