About Us
Built for Mission-Critical Power
JMS Critical Power was founded by experienced electrical professionals who understand what's at stake when critical power systems fail. We bring deep technical expertise, certified technicians, and a commitment to getting it right — every time.
JMS Critical Power was built from the ground up by technicians who spent years in the field maintaining UPS systems, testing transformers, and diagnosing medium-voltage cable failures for some of the most demanding facilities in the region.
We saw a gap in the market: facilities needed a service provider that combined deep technical knowledge with the responsiveness and accountability of a dedicated partner — not a large national company that treats every job like a ticket number.
Today, JMS Critical Power serves data centers, mining operations, industrial plants, and utility facilities across the region. Our approach is straightforward: show up prepared, do the work right, and stand behind every job we complete.
Technical Excellence
We invest in training, certifications, and equipment so our technicians can handle the most complex power systems with confidence and precision.
Accountability
Every job comes with detailed documentation and a clear report. You always know what we found, what we did, and what we recommend next.
Rapid Response
Power emergencies don't wait for business hours. JMS Critical Power offers emergency on-site response so your facility gets the help it needs — fast.
Safety First
We follow strict safety protocols on every job. Our technicians are trained to work safely in high-voltage environments and comply with all applicable standards.
Certifications & Standards
JMS Critical Power technicians hold industry certifications and follow established testing standards to ensure every service is performed to the highest level of quality and safety.
Electrical testing performed to InterNational Electrical Testing Association standards
All field work performed in compliance with OSHA electrical safety standards
Factory-trained on Liebert, Eaton, and Toshiba UPS platforms
Certified operators for the Baur HVA28TD VLF cable test system
Arc flash safety and electrical work practices per NFPA 70E
Battery and hazardous material disposal in compliance with EPA regulations
AVO Training Institute — transformer maintenance and diagnostic testing
AVO Training Institute — battery maintenance, testing, and safety procedures
Our Equipment
We invest in professional-grade test equipment so our technicians arrive on-site ready to perform accurate, reliable diagnostics — not guesswork.
Baur HVA28TD
Very Low Frequency (VLF) cable test system for medium-voltage cable withstand and tan delta diagnostics up to 28 kV
Megger Test Sets
High-voltage insulation resistance testers for transformer and cable diagnostics
Load Bank Units
Portable load banks for full-capacity UPS testing and runtime verification
Thermal Imaging Cameras
Infrared cameras for non-contact thermal diagnostics on UPS, switchgear, and transformers
TTR Test Sets
Transformer turns ratio test equipment for winding integrity verification
Power Quality Analyzers
Multi-channel power quality monitoring for voltage, current, harmonics, and transients
Ready to Work With Us?
Contact JMS Critical Power for a no-obligation quote on any of our services. We respond within one business day.