About Mark’s

Our Customer Satisfaction Goal

Our company has been a leader in complete light, medium, and heavy duty truck repair services with hundreds of projects completed in the Portland repair facility. Our company provides the knowledge, special equipment, expertise, and professionalism to do your job on time and on budget.

We are dedicated to helping make your business trouble-free.

Give us a call at 503-670-9556.

What Sets Us Apart From the Competition?

  • “Bumper to Bumper Service” including body, drive train, and rear end.
  • Custom fabrication.
  • Specialty projects.
  • One-on-one relationship.
  • Mark’s easily accessible style relationship with his customers.
  • High quality work.
  • Dependability.
  • No hidden fees.
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Our History

Mark Bay, owner of Mark’s Quality Repair Service, LLC has been in the diesel truck and equipment repair business for over 30 years. The repair business has been his life’s work and Mark takes his work very seriously. In the beginning Mark’s was a simple two-man, one shift shop. Since then, Mark has added five bays to his repair shop. All of Mark’s work is guaranteed to customer satisfaction and each mechanic is Class “A” rated and professionally trained. Mark was born and raised in Oregon. Growing up he worked for his dad at an early age in the logging and commercial fishing business. He spent 20 summers in the commercial fishing business, and loves to hunt big game and water fowl. He is married with 2 boys and volunteers as a coach and board member in the youth football program helping 300 kids learn sportsmanship. He has been coaching youth sports for 13 years.

Our Guarantee

Quality workmanship, great service, limited downtime at affordable competitive rates. Save time and have us call you by filling out our online contact form.
You can also call us at 503-670-9556.