Call To Place an Order Our sales and support staff is ready to assist. Contact customer service for any questions about the use of your Radiation Alert® equipment. Click here for calibration questions. General Inquiries S.E. International, Inc. Customer Service Dept. PO Box 39 Summertown, TN 38483, USA 1.931.964.3561 firstname.lastname@example.org www.seintl.com Hours (Central Time Zone) Monday – Friday 8 am to 4 pm Saturday Closed Sunday Closed Map Contact Form Please contact customer service via the form below if you need assistance with your radiation detection needs.