Commercial & Industrial Mechanical Contractor

Full-Service Mechanical Solutions Built on Experience, Safety, and Trust

SSMI designs, fabricates, installs, and repairs HVAC, sheet metal, plumbing, and process piping systems for commercial, industrial, institutional, and specialized facilities.

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Mechanical Contracting Fabrication Service & Maintenance

Who We Are

A Full-Service Mechanical Contractor Serving Complex Facility Needs

SSMI provides a complete range of mechanical contracting capabilities, including HVAC, plumbing, refrigeration, process piping, design build, shop fabrication, BIM, 3D coordination, and repair service.

Our team supports projects and service needs across commercial, industrial, institutional, healthcare, educational, municipal, and specialized environments where quality, safety, coordination, and reliability matter.

Our Services

What We Offer

From fabrication and installation to service and repair, SSMI brings together the people, equipment, and project experience needed to support demanding mechanical systems.

Mechanical

Full-service mechanical contracting including HVAC, plumbing, refrigeration, process piping, design-build, fabrication, BIM coordination, and repair services.

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Sheet Metal

Sheet metal fabrication and installation capabilities supporting HVAC airside systems, ductwork, specialty fittings, and coordinated project delivery.

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Industrial

Industrial mechanical contracting for process piping, pipe fabrication, skid fabrication, plant maintenance, outages, and demanding industrial environments.

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Plumbing

Commercial and industrial plumbing services integrated with broader mechanical systems and facility support needs.

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Power & Nuclear

Specialized mechanical support for power and nuclear environments where safety, documentation, and disciplined execution are essential.

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Service

Responsive mechanical service, preventative maintenance, HVAC support, plumbing, refrigeration, process piping, and utility repair services.

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SSMI workforce and mechanical service team

The SSMI Difference

Experienced People. Practical Solutions. Work Done Right.

SSMI’s strength comes from its people, their experience, and their commitment to dependable work. Our teams understand that facilities rely on mechanical systems for comfort, process needs, production, and day-to-day operations.

Experienced office, shop, and field teams working together
Large-scale fabrication capabilities supporting project demands
Responsive communication and practical problem solving
Commitment to customer satisfaction, safety, and honesty

Safety Commitment

Built Around Safety and Accountability

Safety is a core part of SSMI’s company objectives and project culture. We focus on protecting our people, our clients, and the environments where work is performed.

Safe Work Environments

We prioritize safe and healthy conditions for employees, clients, and project sites.

Quality Execution

Our work is guided by experience, planning, coordination, and attention to detail.

Professional Accountability

We believe in honest communication, dependable follow-through, and work we can stand behind.

Project Experience

Project Experience Across Demanding Markets

SSMI has supported major commercial, healthcare, institutional, industrial, sports, municipal, and specialized projects across a wide range of facility types.

Healthcare & Research

Hospitals, laboratories, pharmaceutical facilities, medical campuses, and research environments.

Education & Institutional

Schools, colleges, universities, government facilities, and institutional buildings.

Industrial & Process

Manufacturing, steel, chemical, gas, power, process piping, and plant support environments.

Sports & Public Venues

Stadiums, arenas, sports complexes, and large public-use facilities.

Commercial Buildings

Office buildings, retail facilities, mixed-use environments, and commercial construction.

Municipal & Utilities

Treatment plants, site utilities, infrastructure-related systems, and specialized mechanical needs.

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Regional Presence

Our Locations

SSMI maintains a strong regional presence, with headquarters in Pittsburgh and branch offices supporting clients across Pennsylvania, Delaware, New Jersey, and the Philadelphia area.

Main Office

Pittsburgh

Headquarters and primary office location for SSMI operations.

Branch Office

Delaware

Serving Delaware, New Jersey, and the Philadelphia area.

Branch Office

Latrobe

Supporting regional commercial and industrial clients.

Branch Office

Harrisburg

Supporting clients throughout Central Pennsylvania and surrounding areas.

Real People • Proven Experience • Done Right the First Time

Our Commitment

At SSMI, we believe our work should be personal, reliable, and done right the first time. Whether we are supporting a large construction project or responding to a service call, our team is committed to delivering dependable mechanical solutions backed by experience and accountability.

When you work with SSMI, you speak with real people who understand your needs and take pride in providing honest guidance and high-quality workmanship. Our approach is built on safety, communication, and long-term relationships.

From fabrication and installation to maintenance and service, our goal remains the same—provide consistent, reliable support and stand behind the work we do.

Ready to Talk With a Real Person?

Whether you need mechanical contracting support, fabrication capabilities, service, maintenance, or help planning a project, SSMI is ready to have a real conversation about your facility’s needs.

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