only dealer with on-site mobile repair! 903-335-8940 CLICK HERE

1811 W Industrial Blvd Sulphur Springs, TX 75482
CALL 903-335-8940 | TOLL FREE 844-412-7354 | FAX 903-919-5024


Welcome to CornerStone United:
CornerStone United is proud to be the first-choice provider of warranty, protection, and specialty programs. With more than 30 years behind us, we are the most established service plan administrator in North America, combining old world values with new world innovation for a service and total solutions initiative that is second to none.

Our mission is to be the ultimate source of protection of consumer investments in life’s pleasures, luxuries, and necessities. We accomplish this through customized total solutions, exceptional customer service, innovation and technology, proactive due diligence, problem-solving, specialized expertise, and backing by industry leaders in insurance and finance.


Extended Service Contracts:

CornerStone’s Extended Service Contracts (ESC) are available for in all of the markets we serve.  An ESC is a logical extension of the benefits consumers receive through a manufacturers warranty program.  Not only does an ESC help the consumer protect the investment they have made, but it’s also a piece of mind
from unwanted repair cost. 

 Extended Service
 Extended Protection
 Extended Confidence
 The ConerStone Advantage!   
If there you have any questions, or there is anything we can do, please do not hesitate to call us, at 903-335-8940, or go on over to our contact us page. From there send us a message with a good email and telephone number, and we will do our best to get your needs taken care of! We look forward to serving you!


Tire and Wheel Road Hazard Protection Plan

The NSD Tire & Wheel Protection Plan picks up where the factory warranty and service contract leaves off! Includes 5 & 7 Years of Coverage with UNLIMITED MILEAGE. Full coverage of all mounting and balancing associated with the repair of any tire repaired or replaced, under contract. NSD will also absorb the cost of taxes associated with the replacement of a tire or wheel.

Benefits backed by “A” rated insurance carrier

  • Increase your customer satisfaction and retention.
  • Cars, Light Trucks, Motorcycles, Single and Dual Axle Trailers.
  • 5 & 7 year trailer and RV Coverage.

Tire Protection and Wheel and Rim Protection:

Covered Road Hazard:

Potholes, rocks, wood debris, metal parts, plastic or composite scraps or any item in the roadway that is not supposed to be there.

Coverage Includes:

  • Repair or replacement coverage for tire and rims (including mounting, balancing, and taxes).
  • Emergency road assistance benefit.

* For most programs, see contract for details.

More Benefits:

Flat Tire Coverage:

You will be reimbursed for the full amount of charges incurred for the repair of flat tires caused by road hazard.

Tire Replacement:

Reimbursement is provided should the tire become non repairable due to impact leads, snags, cuts, puncture, or other road hazards.

Wheel/Rim Protection:

Reimbursement is provided for expenses arising out of the repair or replacement of wheels rendered unserviceable due to failure of the wheel covered under your contract.

Mounting/Balance and Taxes:

Reimbursement is provided for any tire covered by your agreement. We will absorb the cost of all local and state taxes, where applicable, as required as part of a covered repair.

Whenever you are driving, you’ll like the secure feeling of knowing that you are protected by the Nation Safe Drivers Tire and Wheel Road Hazard Protection Plan. Fast response and excellent service are just two reasons why millions of motorists rely on Nation Safe Drivers for on-the-road protection. Call or email the finance dept. Just Email  for additional info and prices