Fleet Service Engineered for Maximum Uptime.
Sigma Fleet Services delivers on-site repair, advanced diagnostics, preventive maintenance, and mobile service for commercial fleets. We reduce downtime, accelerate return to service, and keep your operation moving.
Comprehensive fleet support—from preventive maintenance to unexpected repairs—built around your vehicles, operating demands, and service priorities.
Every capability is designed to reduce downtime, control maintenance costs, and keep your fleet ready for work.
Fleet Repair
Complete diagnostics and repair for commercial vehicles, from routine mechanical issues to complex electrical and drivability concerns. We identify the cause, complete the necessary repairs, and return vehicles to productive service.
Mobile Fleet Service
On-site diagnostics, scheduled maintenance, and field repairs delivered directly to your facility or vehicle location. Mobile service reduces unnecessary towing, minimizes disruption, and keeps minor issues from becoming major downtime events.
Preventive Maintenance
Customized maintenance programs aligned with vehicle mileage, duty cycle, manufacturer recommendations, and operating conditions. Proactive service helps prevent breakdowns, extend asset life, and maintain consistent fleet readiness.
Managed Fleet Care
Coordinated maintenance support for fleets that need greater control, consistency, and visibility. We help plan service, monitor maintenance requirements, coordinate repairs, and support better long-term fleet decisions.
Annual Inspections
Commercial vehicle inspection scheduling and corrective repair support designed to keep your assets compliant and operational. Identified defects are documented, prioritized, and resolved through a coordinated service process.
Dedicated On-Site Service
Recurring technician support at your facility for fleets with consistent service demand. Dedicated coverage provides a predictable maintenance schedule, faster issue resolution, and less disruption to daily operations.
Emergency Service
Priority intake and responsive service coordination when an unexpected breakdown removes a vehicle from operation. We assess the problem quickly, establish the appropriate response, and work to minimize costly downtime.
Minimize Downtime
Faster response and efficient repairs help keep vehicles productive.
Control Costs
Preventive maintenance and smart diagnostics reduce unexpected expenses.
Maximize Asset Life
Proactive care helps extend vehicle life and protect your investment.
Support Compliance
Inspection support and documentation help maintain safer, better-prepared fleets.
Repair the vehicle. Protect the operation.
When downtime threatens the route, Sigma can coordinate repair service and help identify replacement rental capacity to keep your fleet operating.
One call can start the repair process, establish the service priority, and determine whether temporary replacement capacity is appropriate while the vehicle is out of service.
Repair
Expert diagnostics and repair focused on returning the vehicle to productive service.
Replace
Access replacement Transit and step van capacity when keeping the operation covered matters.
Protect
Coordinated service support that helps reduce disruption and protect fleet uptime.