About Us

We deliver trusted critical infrastructure solutions that ensure the reliability, resilience, and performance of our customers’ mission-critical operations.

Server room with rows of glowing blue server racks and a metal walkway.

Delivering Excellence.

For over 20 years, we’ve maximized uptime for data centers and mission-critical facilities nationwide — delivering OEM-agnostic, vendor-neutral maintenance across every major UPS and battery platform.

Endure Critical Solutions is built to respond.

60+ Field Service Engineers

Every engineer is cross-trained across all major OEM platforms.

One Vendor, Full Stack

UPS, batteries, STS, PDU, DC plants, rectifiers, lighting inverters, and monitoring.

Six Offices, Continental Reach

Madison, WI (HQ), Dallas, Houston, Detroit, Orlando, and Toronto, ON.


Who We Serve

Critical power fails the same way in a hospital as it does in a hyper-scale data center. What changes is the regulatory environment, the maintenance window, and what an outage actually costs. Those differences are what we plan service around.

When downtime costs revenue.

  • Data Centers
  • Financial
  • Telecom
  • Retail
  • Enterprise

When downtime costs more than money.

  • Healthcare
  • Life Sciences
  • Government
  • Education

When you are the power.

  • Utility
  • Petrochemical
  • Microgrids

Our ExpertiSe

Specification, installation, maintenance, and the engineering studies that keep it all compliant. All handled by one team, under one point of accountability.

Services

  • UPS Maintenance
  • Battery Installations
  • UPS Equipment Design
  • UPS and Battery Rentals
  • Project Solutions

Equipment Sales

  • PDU, STS, DC Plants
  • Rectifiers
  • Lighting Inverters
  • Energy Storage (BESS)
  • CO, MSC & Cell Site Power

Specialized Engineering & Analysis

  • Arc Flash Analysis
  • Infrared Scanning
  • DC Power Engineering
  • Disaster Recovery

Our Service Coverage

Orange denotes a dedicated Account Manager & 24/7 emergency phone support.

Map of US states and Southern Ontario highlighted in orange.

01. Expertise

UPS Field Service Engineers

In critical power, a service agreement is only as good as the person who shows up. Ours arrive factory-trained on the platform in front of them, certified to work it safely, and positioned close enough to key markets to be on site fast when something fails.

60+ Highly Skilled Field Service Engineers

  • Coverage throughout North America
  • Strategic coverage in key data center markets
  • 4-hour response capabilities

Rapid Emergency Response

  • Expert support for mission critical environments

Safety Focused

  • OSHA10, NFPA 70e, CPR & HAZCOMM certified
  • State specific certifications (CA & WA)
  • Strict PPE and safety compliance

Factory Trained Across OEM Brands

  • Comprehensive Training Lab
  • Continuous technical training across OEM platforms

02. Expertise

UPS Services

Four service programs covering the full lifecycle of a UPS: scheduled maintenance, emergency response, service agreements built around your budget structure, and documentation that tells you what actually happened.

Preventive & Predictive Maintenance

  • Scheduled preventive maintenance
  • Capacity & runtime testing
  • Visual & electrical inspections, thermal imaging

Emergency Response & Rapid Restoration

  • 24/7 emergency response
  • 4-hour on-site response (where contracted)
  • Remote diagnostics & remediation
  • Emergency parts logistics

Flexible SLA Programs

  • Customized service level agreements
  • Flexible OpEx/CapEx support

Documentation & Root Cause Analysis

  • Detailed field service reports and scope of work
  • Corrective action recommendations

03. Expertise

Asset Management & Analytics

We use asset data to right-size your SLA, so the scope of work fits what your equipment actually needs — not what’s convenient for us.

Asset Visibility

  • Multi-OEM asset management platform
  • Complete asset inventory
  • Customizable heat maps

Data-Driven Maintenance

  • Asset health & end-of-life (EOL) reporting
  • Predictive maintenance to avoid unscheduled downtime
  • Automated health alerts

Performance Analytics

  • Customizable KPI reporting
  • Asset health scoring
  • Lifecycle performance dashboards

Lifecycle Planning & Reporting

  • Predictive parts replacement
  • Capital planning support
  • Actionable reports to drive informed decision-making that align with KPIs

04. Expertise

Comprehensive Battery Solutions

Batteries are the part of a UPS system that’s guaranteed to fail, the only question is whether it happens on your schedule or theirs. We test, plan, replace, and dispose of them so the answer is always yours.

Battery Lifecycle Management

  • Capacity testing & health assessments
  • Lifecycle planning
  • Battery replacement execution
  • Certified recycling & disposal

System Upgrades & Modernization

  • Battery upgrades
  • Increased capacity & reliability
  • Designed for future power demands

Site Assessments & Turnkey Installations

  • Comprehensive site evaluations
  • Turnkey battery installations
  • Testing, commissioning & startup

BESS/Generator & Switchgear Services

  • Commissioning, acceptance testing
  • Vendor coordination
  • Integrated power system support

Standards & Compliance

  • IEEE, NERC & OEM compliance
  • Industry best practices
  • Documentation for audit readiness

Our warehouses (Madison, Dallas, Houston, Detroit, Orlando, and Toronto) stock more than 15,000 OEM and aftermarket components: fans, fuses, contactors, capacitors, circuit boards, and batteries. Over 20 years of service data tells us which parts fail on which platforms and when, so what sits on the shelf is what a failing UPS is most likely to need.

We also supply new, refurbished, and rental systems across single- and three-phase UPS and lighting inverters.

Let’s Find the Solution That Keeps Your Business Powered On.

Explore our solution lines, or talk to an expert about coverage built around your facility — every OEM, every asset, one accountable team.

Row of large, gray server cabinets with perforated doors, under ductwork.