Contact Us

Retlif Testing Laboratories
795 Marconi Avenue, Ronkonkoma, NY 11779 USA
Tel: (631) 737-1500
Fax: (631) 737-1497
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Retlif’s Corporate Partners with Preferred Rates

Holiday Inn Long Island- Islip Airport
1730 North Ocean Ave, Holtsville NY 11742
Tel: (631) 758-2900

Booking Link for Special Rate Below
Retlif Testing Laboratories at Holiday Inn Long Island Airport

Hyatt Regency Long Island
1717 Motor Parkway, Hauppauge, NY 11788
Tel: (631) 784-1234

Booking Link for Special Rate Below
https://www.hyatt.com/en-US/hotel/new-york/hyatt-regency-long-island/haupp?corp_id=1006194

Retlif Testing Laboratories
101 New Boston Road, Goffstown, NH 03045 USA
Tel: (603) 497-4600
Fax: (603) 497-5281
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Retlif Testing Laboratories
3131 Detwiler Road, Harleysville, PA 19438 USA
Tel: (215) 256-4133
Fax: (215) 256-4130
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