Precise Positioning — Every Time
GPS Calibration Services You Can Trust
About Our GPS Calibration Services
CTPM offers ISO 17025 accredited calibrations for commercial GPS (GNSS) systems. Our certificates provide detailed positional accuracy data that is NIST Traceable and in SI units, meeting the growing quality standards of the Heavy Civil, Marine, Gas and Oil, and Nuclear Plant construction industries.
We offer precise speed and distance calibrations for automotive testing and proving grounds. Our certification covers all RTK Systems components, including:
- Base
- Rover
- Data Collector
- Radios
We provide traceable SI data with fast service and minimal downtime. GPS Time Standard is also available.

Why CTPM
Our clients praise us for outstanding customer service. We exceed expectations by understanding and meeting each client's unique needs, offering personalized attention, and fostering trust through open communication.
Contact us today for a calibration program designed to fit your specific requirements.
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Get Started in Three Easy Steps
Partnering with a trusted calibration service provider is simple:
Send Us Your Equipment List
Share what needs calibration.
Receive a Quote & Schedule Service
Get transparent pricing and a convenient service date.
Stay Compliant & Confident
Keep your equipment accurate and audit-ready.
Stay Confident & Compliant
Don't let calibration uncertainties disrupt your workflow. Partner with CTPM to ensure your GPS equipment meets the highest standards of accuracy and compliance.
Choose CTPM for Local Service with National Expertise
Your trusted partner for accuracy, compliance, and efficiency. Here’s what sets us apart:
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Accredited Labs
As part of the Accredited Labs family, we deliver trusted, ISO/IEC 17025 accredited calibration services backed by cutting-edge technology and unmatched precision.
Customer-Centric Service
We put your needs first, offering responsive support, flexible scheduling, and tailored solutions designed to fit your operation.
Commitment to Quality
From rigorous technician training to thorough documentation, quality is built into every step of our process so you can operate with total confidence.