Thank you for your interest in ARKO laboratories. In an effort to answer your inquiries the following information is provided for your convenience.

ARKO Labs, Ltd.

1336 Main Street
Jewell, IA 50130

HOURS:

Monday-Friday  8:00 AM to 5:00 PM CST

ARKO Laboratories
PHONE: (800) 714-2756

FAX: (515) 827-5648

Drs. Koehnk & Feldman
PHONE: (515) 827-5491

E-Mail:  arko@arkolabs.com