North Sioux City Business Directory

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Call / Customer Service Center

  Diversified, Inc.
600 N Derby Ln
PO Box 230
North Sioux City, SD 57049
Phone 605-242-5100 | Fax 605-242-5138
Telemarketing of phone service
Alorica
300 Centennial Dr
PO Box 1250
North Sioux City, SD 57049
Phone 605-422-4007 | Fax 605-422-4092
Hours 24/7
www.aloricajobs.com
Alorica provides a variety of advanced customer contact management solutions such as customer care, technical support, sales, collections and social media services for Fortune 1000 companies.
  Avertech, Inc.
600 N Derby Ln, Ste 1A
North Sioux City, SD 57049
Phone 952-484-8844
Call center for IT support
  Maaske Marketing
600 N Derby Ln
North Sioux City, SD 57049
Phone 605-242-5102 | Fax 605-242-5101
Phone Business Services