Customer Log-In

We are pleased to offer our customers online access to our MudCats Calibration System for access to your asset records. Click here for login access. 

If your company is not signed up for this free service, please click here to request access. 


Need a Quote?

We will be happy to review your requirements and prepare a quote for you. Click here  to request a quote. 

Do you have equipment that is due for recalibration?  Click here  to request service or a quote. 

Need new equipment? 
Click here 
for a quote.


 Click the links below to view our current
Scope and Certificate, and our Capabilities.

Current ISO 17025 Certification

Current ISO 17025 Scope of Accreditation

Dimensional Capabilities

Electronic Capabilities

Physical Capabilities

Temperature Capabilites


Looking for answers?
Check out these most asked questions...



Southwest Calibration Service is accredited to do specific calibrations. We are ISO/IEC 17025:2017 accredited by ANABPlease refer to our current Certificate of Accreditation and our current Scope of Accreditation for your requirements. 

Turn-Around Time

This is determined at the time the order is received. It depends on several variables, ie. number of pieces of equipment, workload of that particular lab and the condition of the equipment. Please contact us for an estimated turn-around time

Expedited Service

We offer expedited service at an additional cost. This is dependent on the above conditions. Please email us with your needs.

Recall System

We notify customers by email of equipment coming due for calibration.

Professional Memberships 

We are members of National Conference of Standards Laboratories International (NCSLI) and a charter member of National Association for Proficiency Testing (NAPT).

On-Site Calibrations 

We do calibrate Rockwell hardness testers, optical comparators, pressure gauges and transducers, ovens, surface plates and electronic equipment at your facility. A service call charge (Houston area) or service call plus mileage (if outside of Houston area) will be added to your invoice. Please contact us for a quote.

We sell new equipment 

We sell new equipment which come with SCS Calibration Certificates. By “one stop shopping” you can write one PO to include the new equipment and the calibration. For specific inquiries, contact us through email or by phone or fax.