Grain Systems


Protein Systems






Contact GSI Group

Please select a GSI Group business division below. For general informational requests use our general contact information:

GSI Group
1004 E. Illinois St.
Assumption, IL 62510
Phone: 888-GSI-BINS
Intl. Tel.: 1-217-226-BINS
U.S. Fax: 800-800-5329
Intl.Fax: 1-217-226-3404


GSI Group Contact Information:
• GSI  (US-Grain storage, drying and handling)
• Farm Fans  (Grain dryers)
• David Manufacturing Company  (Grain drying and conditioning)
• Cumberland  (Poultry)
• Automated Production systems  (Swine)


For more information on GSI Group visit our division sites at