PCO (Pennsylvania Certified Organic)
106 School Street
Suite 201
Spring Mills, PA 16875
Phone: 814.422.0251
Fax: 814.422.0255
E-mail: pco@paorganic.org

OT (Oregon Tilth)
470 Lancaster Drive NE
Salem, Oregon 97301
Phone: 503.378.0690
Fax: 503.378.0809
E-mail: organic@tilth.org

OEFFA (Ohio Ecological Food and Farm Assoc.)
41 Croswell Road
Columbus, Ohio 43214
Phone:  614.421.2022
Fax: 614.421.2011
E-mail: oeffa@oeffa.org

QAI (Quality Assurance International - California)
9191 Town Centre Drive
Suite 510
San Diego, California 92122
Phone: 858.792.3531
Fax: 858.792.8665
E-mail: qai@qai-inc.com

GOA (Global Organic Alliance - Ohio)
P.O. Box 530
3185 Township Road 179
Bellefontaine, Ohio 43311-0530
Phone: 937.593.1232
Fax: 937.593.9507
E-mail: globalorganicalliance@hughes.net

SCS (Stellar Certification Services - Oregon)
Demeter Association, Inc.
Post Office Box 1390
Philomath, Oregon 97370
Phone: 541.929.7148
E-mail: info@demeter-usa.org

ICO (Indiana Certified Organic)
8364 S. SR. 39
Clayton, Indiana 46118
Phone: 317.539.4317
Fax: 317.539.2739
E-mail: icollc@earthlink.net

QCS (Quality Certification Services - Florida)
QCS Office
P.O. Box 12311
Gainesville, Florida 32604
Phone: 352.377.0133
Fax: 352.377.8363
E-mail: qcs@qcsinfo.org

OCIA (Organic Crop Improvement Association)
1340 North Cotner Boulevard
Lincoln, Nebraska 68505-1838
Phone: 402.477.2323
Fax: 402.477.4325
E-mail: info@ocia

Kentucky Department of Agriculture
Mac Stone
100 Fair Oaks Lane
Fifth Floor
Frankfort, Kentucky  40601
Phone: 502.564.4983
Fax: 502.564.0854
E-mail:  mac.stone@ky.gov