Full-Service Mechanical Contractor

Rooted in Southwest Michigan since 1983, serving customers across the U.S.

Jergens delivers integrated industrial services from a single point of accountability. Our in-house fabrication shop, certified welding crews, and experienced field teams in multiple trades handle complex scopes that other contractors have to piece together from multiple subs. From planning through commissioning, we work as an extension of your team—partnering with you to keep your project on schedule, on budget, and built right.

1983

Established

Capital Projects &

Maintenance Agreements

500+ Years of

Industrial Leadership Experience

In-House

Turn key Solutions

Nationwide

Service Coverage

OSHA 30

All onsite personnel OSHA 30 certified

Our Mission

To provide quality products, services, and craftsmanship that ensures projects are completed right the first time, on time, and to our customers’ total satisfaction.

What we Do

Industrial Divisions

Comprehensive capabilities under one roof — from engineering and in-house fabrication to field installation and ongoing maintenance.

Prefabrication

Union, ASME-certified shop with orbital welding, spool fabrication, and a controlled environment for pharmaceutical and high-purity applications. Two CWIs on staff. In-house blasting and painting.

Tanks & Vessels

Fully equipped ASME code fabrication shop where we can alter and repair your pressure vessels. Field team of highly skilled code welders offering 24-hour emergency service.

Process & Specialty Piping

High-purity and high-pressure process piping for pharmaceutical, chemical, and industrial facilities. Design-build with in-house prefabrication to minimize field congestion and accelerate schedule.

Plumbing

Industrial and commercial plumbing systems designed and installed by licensed journeymen. From new construction to tenant improvements, built to code and designed to perform.

Millwright Services

Precision equipment installation, alignment, rigging, and mechanical maintenance. Experienced crews for plant shutdowns, relocations, and ongoing maintenance programs.

Sheet Metal & Specialty Metal

Custom sheet metal fabrication for pharmaceutical clean rooms, industrial HVAC systems, and specialty applications. All materials cut, formed, welded, and assembled in-house.

HVAC & Mechanical Services

Full-scope commercial and industrial HVAC and refrigeration — new construction, retrofits, and ongoing service and maintenance contracts for facilities across Southwest Michigan.

Insulation Services

Mechanical insulation for process piping, vessels, and equipment. Specialists in custom removable covers for valves, flanges, and equipment requiring routine maintenance access.

Painting & Blasting

50 years of combined Industrial and Commercial coating. Mendon shop features a 27’× 13′ Garmat spray booth with exhaust and baking capabilities. NACE-certified coatings inspector on staff.

Markets we Serve

Industries We Work In

Demanding sectors require a contractor with the certifications, experience, and quality systems to match. Jergens works where the stakes are highest.

Pharmaceutical

GMP environments, clean utilities, WFI systems, and stainless fabrication for pharma facilities across Southwest Michigan.

Chemical

Process piping, specialty alloy fabrication, and mechanical systems for chemical processing facilities with strict safety and compliance requirements.

Food & Beverage

Sanitary-grade fabrication and piping for food processing and beverage manufacturing, built to food-grade and FDA standards.

Power Plants

High-pressure piping systems, insulation, and mechanical contracting for power generation with ASME-compliant fabrication throughout.

Paper & Pulp

Process piping, millwright services, and turn-key mechanical systems for paper manufacturing plants.

Commercial Facilities

Full mechanical scope for schools, hospitals, and government buildings — HVAC, plumbing, and piping from design through commissioning.

Why Jergens

Certifications & Capabilities

Our in-house certifications and workforce give project owners the confidence to put large-scale, high-compliance work in our hands.

  • Design-Build and turn-key project delivery

  • Orbital welding for high-purity pharmaceutical and food-grade applications

  • R-Stamp, U-Stamp, and PP-Stamp pressure vessel certifications

  • Certified Welding Inspectors (CWIs) on staff

  • In-house blasting and painting for complete project control

  • Specialists in GMP environments and clean utility systems

  • WFI (Water for Injection) system design and installation

  • Pre-fabrication reduces field congestion and accelerates install

  • Maintenance Services & Workforce Solutions

Our Vision

To build a legacy of excellence through exceptional service and trusted solutions that sustain lasting relationships.

Put Jergens to Work

We’re committed to the quality of our services and products. If you are interested in requesting any of our services please feel free to contact us.