OMS vs CMMS: What Is the Difference?
A CMMS (computerized maintenance management system) manages maintenance work: assets, work orders, preventive maintenance schedules and spare parts. An OMS (operations and maintenance management system) includes those CMMS functions and extends them to wider operations, such as contracts and budgets, projects, service-provider evaluation, quality indicators and cross-site benchmarking.
Side-by-side comparison
| Capability | Typical CMMS | OMS |
|---|---|---|
| Asset register and history | Yes | Yes |
| Work requests and work orders | Yes | Yes |
| Preventive maintenance scheduling | Yes | Yes |
| Spare parts and inventory | Usually | Yes, with purchasing and supplier KPIs |
| Operating contracts and contract budgets | Rarely | Yes |
| Projects and installation planning | Rarely | Yes |
| Service-provider and employee evaluation | Limited | Yes |
| Multi-site dashboards and benchmarking | Varies | Yes |
When is a CMMS enough?
A CMMS is often enough for a single site whose main goal is to organize maintenance jobs and PM schedules.
When do you need an OMS?
An OMS fits organizations that run many sites or contracts, rely on subcontractors, or need management reporting that links maintenance with cost, quality and operational performance. Facility management companies, healthcare clusters and multi-plant industrial groups are typical examples.
Where Steady OMS fits
Steady OMS is described by its publisher as a computerized maintenance management system that maximizes operational intelligence and lets operators control daily O&M activities wherever they are. It combines CMMS functions with operation management, benchmarking and cost control, and it is included in Steady ERP and Steady HIS.
Related reading: What is an OMS? · Work requests vs work orders
Frequently asked questions
Is Steady OMS a CMMS?
Yes. Steady OMS provides CMMS functions such as assets, work orders, preventive maintenance and stock control, and adds broader operations management features.
Can I start with CMMS features and add more later?
Yes. Steady OMS is offered in different plans, and organizations can also move to Steady ERP, which includes everything in OMS.
Talk to Steady Solutions
Tell us about your sites, assets and processes, and our team will show you how Steady OMS, ERP or HIS fits your organization. You can also contact us directly or call +966 55 337 0220.