On average, employees in Frederick, MD at Keller Masonry give their company a 5.0 rating out of 5.0 based on 1, whereas overall Average Rating of Keller Masonry is 5.0 out of 5.0 based on 1 Keller Masonry Review Ratings. The happiest Keller Masonry employees in Frederick, MD are Anonymous Employees submitting an average rating of 5.0.
"I've owned Keller Masonry for the last 10 years."
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