Built on
Precision.
Grown on Trust.
Since 2019, MetroKleen | MKMaintX has been the trusted partner for commercial facility maintenance across the United States — evolving from a Boston janitorial firm into a nationwide infrastructure management powerhouse.
Today, we manage more than 12,400 commercial facilities across 35 states, providing HVAC, janitorial, electrical, plumbing, lighting, and landscaping services under a single master contract. Our self-perform crews deliver a 99.2% SLA compliance rate, rapid emergency response, and the consistency that property managers, facility directors, and multi-site operators need to keep their buildings running without interruption.

EXCELLENCE
Invisible Excellence,
Visible Results
Our mission is simple: to make facility maintenance invisible. When we do our job right, you never have to think about it. The lights work, the air is clean, the grounds are pristine, and your operations run without interruption.
We achieve this through a combination of trained professionals, predictive maintenance technology, and an unwavering commitment to exceeding every service level agreement.
Every MetroKleen | MKMaintX technician is background-checked, trade-certified, and consistently assigned to your facility so they know your building, your equipment, and your team. From routine janitorial and preventive HVAC maintenance to emergency plumbing repairs and full-scale lighting retrofits, we handle every trade in-house. No subcontractor sprawl, no vendor coordination headaches, no gaps in accountability — just one phone call and one contract for all your facility maintenance needs.
WHAT SETS US APART
Our Operating Principles
Six pillars that guide every decision, every dispatch, and every service delivery.
From precision execution to proactive communication, these principles define how we protect your buildings, your budgets, and your operations every single day.
Precision
Every task executed with military-grade accuracy and attention to detail.
Reliability
Consistent, dependable service delivery you can count on, 365 days a year.
Responsiveness
Rapid deployment and communication — because downtime is not an option.
Excellence
Continuously raising the standard of facility maintenance through innovation.
Partnership
We integrate with your team, not just your facility. Your success is ours.
Innovation
Leveraging cutting-edge technology to deliver smarter, more efficient solutions.
Key Milestones
From a single Boston janitorial crew to a nationwide self-perform facility maintenance network managing 12,400+ buildings, our growth reflects a relentless focus on service quality, technology adoption, and long-term client partnerships.
Ready to Partner
with MetroKleen | MKMaintX?
Join 12,400+ facilities that trust MetroKleen | MKMaintX for reliable, professional maintenance.
One contract, all trades, nationwide coverage. Request a free facility assessment and discover how our self-perform teams can reduce your vendor sprawl, lower your maintenance costs, and keep your buildings operating at peak performance.