About
Your Partner in Quality Calibration
Since 1988, Southwest Calibration Service has supported the test and measurement needs of manufacturers across energy, aerospace, pharmaceutical, industrial, and chemical processing industries.
As an ISO/IEC 17025-accredited laboratory, we provide NIST-traceable calibration and conformity testing to help maintain accurate measurement systems, meet compliance requirements, and stay audit-ready.
Accredited Calibration Services
Southwest Calibration Service has been accredited by the ANSI National Accreditation Board (ANAB) since 2007.
We invest in equipment, training, and technology to support a wide range of calibration services and continuously expand our scope of accreditation to meet evolving customer needs.
Why Choose Us?
Setting the Standard in Calibration
Southwest Calibration supports manufacturers with consistent 7-day turnaround, audit-ready documentation, and reliable process control from intake through completion. ISO/IEC 17025 accreditation and NIST-traceable testing support compliance and measurement accuracy across industries, including energy, pharmaceuticals, and aerospace.
30+
Years of Industry Expertise
100%
Client Satisfaction
5,000+
Clients Served
27,000+
Calibrations Completed Annually
Calibration Services
Southwest Calibration provides ISO/IEC 17025-accredited calibration across a range of measurement disciplines, including:
Onsite Calibration
Southwest Calibration provides onsite calibration services for equipment that cannot be easily shipped or where downtime must be minimized. Our team performs calibration at your facility to help maintain compliance while keeping operations running. Onsite services are ideal for:
How It Works
Request a quote or schedule a service
Send in equipment or schedule onsite calibration
Calibration performed under ISO/IEC 17025 procedures
Equipment returned with complete, audit-ready documentation
Metrology Equipment Sales
Southwest Calibration provides metrology equipment sales across leading manufacturers, with calibration completed prior to delivery to ensure accurate, audit-ready measurement from the start. We work with manufacturers including:
Based in Houston,
Servicing the World Since 1988
From Colombia to Costa Rica and India to Indonesia, we support calibration needs across the U.S. and internationally.
What Our Clients Say
Contact
Precision Matters.
Let’s Get Started
Do you have equipment due for recalibration? Schedule a service with Southwest Calibration to keep your tools accurate and compliant. Contact the team to discuss your calibration needs.
