Phone Number: (316) 943-9374 Fax: (316) 943-1377 Office Email: office@ks.rdspos.com General Manager: Jeff Klaus (jklaus@rdspos.com) Area Sales Manager: Mike Juge (jklaus@rdspos.com) Support Manager: James Clark (jclark@rdspos.com) Service Manager: Brian Eberspacher (beberspacher@rdspos.com)