OEC Systems

Tel 423.378.3121 Fax 423.578.3731

PC Service & Sales

Need computer repair? Have hardware or software conflicts? Networking issues? Call OEC. Repair's on-site or in-house. Visit...

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Point of Sale

The Tri-Cities and the Mountain Empire's oldest and most trusted source for Cash Registers and Point of Sale Systems. Visit...

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Printer Service

OEC Systems - Is an Authorized Printer Service Center. We service - repair all major brands of printers.Visit...

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Computer, Point of Sale, Printer Computer, Point of Sale, Printer Computer, Point of Sale, Printer

Welcome To OEC Systems

Computer Service

PC Sales & Service

All computer and laptop sales or repair, equals local service.

Point of Sale

Point of Sale

We program our cash registers and supply cash register receipt paper.

Printer Repair


Printer service and repair for both POS Systems and Computers.


Basic computer system.
PC Tower Keyboard Monitor.
Point of Sale
Point of Sale Cash Register.
Printer Repair & Service
Printer Service & Repair.
Damaged monitor screen repaired.
Viewing screens repaired.


Need computer repair? How about service? Need Point of Sale? How about EMV smart payment for debit or credit cards? Need printer repair or service? Typewriter repair? Need broken laptop screen repaired?

Founded in 1977, OEC has been providing the Tri-Cities with both service and sales.

OEC's work force can deliver the professional know how when you need it, providing customer's with expertise & practical solutions.

You get access to our network of qualified experts with just one click or a call. Dial up OEC @ 423.378.3121 or Fax @ 423.578.3731. Open Monday - Friday 8:00 AM - 5:00 PM.

  • Computer & Laptop Sales - Service
  • Point of Sale - Sales & Support
  • EMV - Secure POS Solution
  • Cash Register Sales - Support
  • Cash Register Printer Sales & Service
  • Cash Register Receipt Paper
  • Network Server Sales - Support
  • Networking Services - Support
  • Web Hosting - Support
  • Email Hosting Services
  • Authorized Printer Service
  • More