Billing
Billing/Documentation inquiries
417 882 8012
Mail your purchase orders to:
MacKinney Systems
4411 E State Highway D, Suite F
Springfield, Missouri 65809
Email your purchase orders to:
admin@mackinney.com
Fax your purchase orders to:
417 882 7569
Billing problems
To report problems with your billing or to get billing information,
please call (417) 882-8012, 8:00 a.m. to 5:00 p.m. CST, Monday through
Friday. Please have your customer number and/or invoice number
available when calling.