OSS is a medium-sized company and a global specialist for the Design, planning, manufacturing, assembly and maintenance of innovative and resource-efficient cooling systems for the chemical, power plant and metallurgical industries.



OSS, as former subsidiary of the Oschatz GmbH, is a medium-sized company and a globally operating specialist in the design, planning, manufacturing, assembly and maintenance of innovative and resource-efficient cooling systems for the chemical, power plant and metallurgical industry. Our technologies are optimally tailored to our customers' processes and meet the highest environmental and emissions requirements.

With our product and service portfolio, we offer the international industry and energy sector a range of services that covers the entire life cycle of industrial plants.

Our aim is to offer our customers the best performance on the market – through innovative solutions and clear competence and cost advantages based on our service portfolio.

Professionalism, technical qualifications and customer orientation are prerequisites for the recognized high level of our work and make us a high-performance partner to the industry.

Official headquarters: České Budějovice, Czech Republic
Subsidiaries: Germany and Slovakia
Manufacturing locations: Czech Republic and Slovakia


2009 - foundation of Oschatz Services & Solutions s.r.o. (OSS) as a subsidiary of the Oschatz Group
2011 - opening of the production facility in Prague
2013 - foundation of Oschatz Slovakia s.r.o. as a subsidiary of Oschatz Services & Solutions s.r.o.
2017 - Oschatz Services & Solutions s.r.o. becomes a subsidiary of Christof Industries
2018 - opening of the manufacturing facility in Demandice
2023 - separation from Oschatz Group and changing of company name to OSS Industrial Solutions s.r.o.
2023 - foundation of OSS Industrial Services GmbH as a subsidiary of OSS Industrial Solutions s.r.o.


Our values have always been an essential part of our company and are our unique strength.
They are a promise to our customers and to our employees.

Trust Our business relationships work as partnerships based on equal footing.

Responsibility We take responsibility for how we treat our employees and business partners, the environment and social development.

Growth We strive for sustainable growth. Our success is based on responsible progress and sustainable innovations.


Depending on the requirements, we support our customers with specifically tailored services and products, particularly for cooling systems, waste heat boilers and water-steam cycles in the chemical, power plant and metallurgical industry. With future-oriented service and innovative technologies, we pursue one goal: sustainable and efficient systems for our customers.

  • Feasibility studies
  • Damage analyses and system optimisations
  • Technical consultancy
  • Process engineering
  • Project management
  • Basic und detail engineering
  • Boiler design
  • Strength calculations for boiler parts, pressure vessels, piping
  • Finite element method (FEM) analyses
  • Thermo analyses (FEM)
  • Pipe statics for piping routes, piping bridges, air and gas channels
  • Support/ suspension design solutions
  • Boilers and Boiler parts
  • Repairs and alterations of boiler parts/water-walls
  • Pre-assembly of piping and structural steel
  • Overlay welding (manual and automated)
  • Specialised services (induction bending, omega-tube wall automated welding, plate rolling etc.)
  • Quality management
  • Transport and logistics
  • Spare parts and after sale service
Installation & Maintenance
  • Installations of boiler systems incl. supervision activities
  • Final inspections
  • Revamps of Boiler Systems
  • Maintenance services at client‘s site


As a fully integrated fabricator and boiler equipment company, OSS is qualified to work on any boiler or steam generator and to improve the boiler performance if desired.
Our aim is to offer our customers the best service on the market and to be a reliable and trustworthy partner in all areas.


We offer complete solutions for boiler systems and pressure vessels in various industrial sectors (Calculations, design, manufacturing, assembly and maintenance)


Highly qualified manufacturing and assembly personnel with industry-specific know-how


High availability of our assembly staff at the customer's site in the event of a malfunction or repair.


The production and assembly of spare parts is always carried out by the same personnel.

Our company is equipped and certified in line with the latest standards, coupled with our experts know-how that ensures not only technical perfection but also that we deliver all manner of industrial fabrication and pre-mounting of plant components on time and on budget.

OSS is in possession of the following certificates:

  • EN ISO 9001
  • SCCP / SCP
  • License for Fabrication and Welding (EN 3834-2 und AD 2000-HP 0)
  • ASME Stamp U, S, R


Our employees in the offices and workshops form our high-performance group for sales, project management and services. This means we can offer tailor-made technologies, solutions and services to our customers from a single source.


České Budějovice, Czech republic
- Headquarters
- Engineering, Project Management


Dortmund, Germany
- Subsidiary
- Process Engineering, Consulting


Prague, Czech republic
- Workshop
- Boilers and Boiler parts


Demandice, Slovakia
- Workshop
- Boilers and Boiler parts

Locations map


Over the years our client base has grown steadily – it now spans five continents and includes the world’s leading companies in the in the chemical, power plant and metallurgical industry. Since we work under strict confidentiality agreements with our industrial partners, these business relationships are not publicly disclosed.
Following you will find an excerpt of our worldwide projects and references.