Quest Diagnostics vs Theranos
Side by side, from the public record each company was imported from. Where a figure is missing it is because no source we hold states it — not because it is zero.
Quest Diagnostics is the older of the two, founded in 1967 — 36 years before Theranos.
- Founded
- 1967
- 2003
- Status
- Active
- Closed 2018
- Headquarters
- Madison, United States
- Palo Alto, United States
- Industry
- health care
- health care
- Legal form
- Delaware corporation
- privately held company
- Listed on
- New York Stock Exchange
- Not recorded
Facts on both companies come from the public records named on Quest Diagnostics and Theranos.