United States
Main Laboratory
2887 Gilchrist Rd.
Akron, Ohio 44305
Toll Free: 1 (866) 778-ARDL 
Worldwide: (330) 794-6600
Fax: (330) 794-6610
Email: answers@ardl.com  

Gilchrist II Laboratory
2851 Gilchrist Rd.
Akron, Ohio  44305
Toll Free: 1 (866) 778-ARDL 
Worldwide: (330) 794-6600
Fax: (330) 794-6623
Email: answers@ardl.com

Kenmore Laboratory & Billing Office
300 Kenmore Blvd.
Kenmore, Ohio 44301
Toll Free: 1 (866) 778-ARDL
Worldwide: (330) 434-6665
Fax: (330) 434-0004
Email: answers@ardl.com

India
ARDL-India
B Block, 3rd Floor Plot, No.43A,
Cochin Special Economic Zone, Kakkanadu
Cochin - 682 037
Kerala, India
Worldwide: +91-484-3243862/63
Fax: +91-484-2413320
Email: info@ardl-india.com
Website: www.ardl-india.com