All Quest Diagnostics Locations - Connecticut
- Ansonia
- Avon
- Bethel
- Bloomfield
- Branford
- Bridgeport
- Bristol
- Cheshire
- Danbury
- Darien
- Derby
- East Hartford
- East Haven
- Enfield
- Essex
- Fairfield
- Farmington
- Glastonbury
- Greenwich
- Groton
- Guilford
- Hamden
- Hartford
- Madison
- Manchester
- Mansfield Center
- Marlborough
- Meriden
- Middletown
- Milford
- New Britain
- New Haven
- New London
- New Milford
- Newington
- Newtown
- North Haven
- Norwalk
- Norwich
- Old Saybrook
- Orange
- Plainville
- Prospect
- Ridgefield
- Shelton
- Simsbury
- South Windsor
- Southbury
- Southington
- Stamford
- Stratford
- Torrington
- Trumbull
- Unionville
- Vernon
- Wallingford
- Waterbury
- West Hartford
- West Haven
- Wethersfield
- Windsor
- Windsor Locks