LabCorp is the second- largest U.S. medical testing company and offers many of the same genetic tests that Quest does.
FORBES: Magazine Article
2.
LabCorp lowered its sales, general and administrative expenses to 21% of revenue last year from 26% in 1999, enabling it to almost triple the net margin to 11.8%.
FORBES: Magazine Article
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LabCorp laboratories across the nation also were collecting samples.