
Cut downtime and optimize facility performance
Sigma Lean helps facilities nationwide streamline maintenance spending, implement CMMS systems, and shorten lead times. Best of all, we offer a risk-free initial assessment—we only get paid when your business is on track to save.
Comprehensive lean solutions for your plant
With 20 years of hands-on experience, James Derby and our expert team deliver practical, results-driven consulting. From CMMS overhaul to parts management, we eliminate inefficiencies across every square foot of your operations.
CMMS restructuring
Ensure your computerized maintenance management system works for you. We handle full implementation, restructuring, and workflow optimization.
VMI and parts sourcing
Partnering with industry leaders, we build dependable vendor-managed inventory programs to cut lead times and stockout risks.
Maintenance organization
Transform chaotic maintenance spaces and parts rooms into lean, 6S-compliant areas that speed up technician turnaround.
Training and guidance
Receive flexible onsite guidance, remote coaching, and hands-on maintenance training designed to sustain your productivity gains.

Decades of hands-on facility expertise
Founded by James Derby, Sigma Lean brings 20 years of real-world facility maintenance and operational knowledge. Based out of Naples, Florida, we travel nationwide to help facilities uncover hidden waste, lower operational expenditures, and establish reliable preventive maintenance programs.
Proven results without upfront risk
"Sigma Lean revamped our CMMS and restructured our entire storeroom. Our equipment downtime dropped by 30% in just four months."
Plant Director
Paul Newman
"Their zero-risk pricing model made bringing them on an easy decision. The initial assessment opened our eyes to massive parts spending waste."
Operations Manager
Drew Gains
"The hands-on training James Derby provided to our maintenance technicians was invaluable. We now operate smoother with significantly fewer delays."
Maintenance Supervisor
Levi Carson
Start with a Risk-free facility assessment
Let our team analyze your current maintenance workflows, part sourcing, and equipment reliability. We will identify clear opportunities to save money and reduce downtime across your entire operation.
Get in touch with us
Naples headquarters
Sigma Lean
Naples, FL, United States
Phone: 561-879-0714
Email: sigmalean@outlook.com
Serving facilities nationwide
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