Knowles On Site Repair, Inc.

Knowles On Site Repair, Inc. is a 24/7 full-service shop for trucks, trailers, and equipment, handling everything from major repairs to annual inspections. We take pride in what we do for our customers, both large and small, which is why we have invested heavily in the latest software and technology to ensure issues are diagnosed accurately and repaired right the first time. Our software is exactly what you will find at any dealership—the only difference is ours comes with GREAT CUSTOMER SERVICE. You can count on us.  Let us be your mechanic.

About Us

Knowles On Site Repair, Inc. is a 24/7 family-owned and operated business.  We are truck and trailer repair specialists with ASE certified technicians and the latest diagnostics software. We specialize in Caterpillar, Detroit, Cummins, Volvo, Mack, Hino, Isuzu, and International, as well as all truck and trailer manufacturers.  We also provide lifegate repair, welding, mobile welding, DOT Inspections, A/C, fleet maintance, PMs, and electrical diagnostics.

Knowles On Site Repair, Inc. was established in 2000 with just one service truck.  We have grown to four shops, with more than 50 employees and over 25 service trucks, servicing the Gulf Coast.   Our goal at Knowles On Site Repair, Inc. has remained the same since day one - make customers' jobs easier and less stressful.  We are proud to be serving Gulf Coast business owners and operators.

Our Services

• Air Conditioning

• Dry Bulk Trailer Repairs

• Electrical

• Engine

• Frame, Alignment & Suspension

• Hydraulics

• Hyrail Inspections

• Liftgate

• Load Shifts

• Mobile Fueling

• Mobile Welding

• Mobile Repair Service

• Preventative Maintenance

• Radiator & Cooling

• Tire Services

• Trailer Repair

• Transmission & Drive Line

• Truck Repair

• Vehicle Inspections - Trailer

• Vehicle Inspections - Truck

• Welding