Weißer & Grießhaber GmbH - Excellence in Plastics
About us
Weißer + Grießhaber GmbH is a family-owned company based in the Black Forest, now in its third generation. Since 1969, we have been manufacturing high-precision plastic components with in-house mouldmaking expertise for the automotive, building technology, automation, and medical technology industries.
Our core competencies include micro injection molding, multi-component technology, and the production of complex plastic assemblies – all driven by a passion for smart and reliable solutions.
Our development and production processes are always carried out in close collaboration with our customers. Transparent communication, dedicated points of contact, and customized supply chain concepts ensure dependable results – from application development to series production.
Products & services
Gear and Transmission Technology
Plastic gears and gearboxes are at the heart of Weißer + Grießhaber’s expertise. Engineered for precision, durability, and maximum efficiency, our solutions deliver outstanding performance for a wide variety of drive and rotational applications. Visit us at KPA Ulm to discover how we can drive your success.
Gear and Transmission Technology
Plastic gears and gearboxes are at the heart of Weißer + Grießhaber’s expertise. Engineered for precision, durability, and maximum efficiency, our solutions deliver outstanding performance for a wide variety of drive and rotational applications. Visit us at KPA Ulm to discover how we can drive your success.
Gear and Transmission Technology
Plastic gears and gearboxes are at the heart of Weißer + Grießhaber’s expertise. Engineered for precision, durability, and maximum efficiency, our solutions deliver outstanding performance for a wide variety of drive and rotational applications.
Lenses and optics
Weißer+Grießhaber is one of the leading manufacturers of technical plastic lenses and optical components. Our products direct light precisely and reliably in safety-related applications such as automatic door systems, robotics solutions and industrial trucks. The highest standards of transparency, profile accuracy and surface quality are a matter of course for us and characterise every step of the manufacturing process.
Microfilters and Thin-Wall Technology
At Weißer + Grießhaber, we specialize in high-precision plastic injection molding for micro applications. We produce thin-walled, finely structured, and long-flowing components – from microfilters and complex internal parts to housings and connectors. Our solutions are durable, energy-efficient, and ensure reliable processes, even in high-volume production.
Plastic assemblies and systems
Our strength is in manufacturing complex plastic assemblies and systems – from simple modules to highly precise actuators. From the very start of development, we contribute our application-specific expertise and in-depth process knowledge to ensure the best possible outcome for your project.
Job ads
Process Technician for Plastics and Rubber Technology (m/f/d)
You operate, set up and start injection molding machines and automation systems independently, ensure a smooth production flow and meet quality and delivery requirements. You optimize processes, support new production launches and contribute to Lean and improvement initiatives. Profile: Completed vocational training, strong interest in modern technology, solid knowledge of materials, machines and tools, experience with Arburg/Demag machines and handling systems such as Wittmann, Geiger or Yaskawa. You work responsibly, flexibly and as part of a team. We offer: A secure position in a family-owned company with 30 days of vacation, profit sharing, onboarding, training, pension plan, health programs, cafeteria, free water/fruit, JobRad, a modern industrial environment and employee events
Technical Project Buyer (m/f/d)
You handle project purchasing for components, machines and equipment, manage inquiries and supplier comparisons, negotiate prices, quality and delivery terms, and ensure material availability. You work closely with project management, engineering and production and maintain project documentation. Profile: Technical degree or training with purchasing/business qualification, 3+ years of (project) purchasing experience, fluent German/English, confident with MS Office and ERP (SAP/IK Office), communicative, structured and a team player. We offer: A secure role in a family-owned company with 30 days of vacation, profit sharing, onboarding, training, pension plan, health programs, cafeteria, free water/fruit, JobRad, flexible hours, corporate benefits, mobile working and a modern work environment.
International Version – Shift Leader Injection Molding (m/f/d)
We are looking for a Shift Leader for our injection molding department in a 2 shift operation. You will lead a team of around 10 employees, coordinate tasks and staffing, and ensure stable processes, high quality, and on time production. You are responsible for OEE, conduct daily shopfloor meetings, and drive Lean and improvement initiatives. Profile: Qualified Process Mechanic for Plastics and Rubber Technology (master level preferred), first leadership experience, strong technical interest, ideally automotive background, independent, solution oriented and a strong team player. We offer: A future oriented role in a family owned company with a collaborative culture, 30 days of vacation, profit sharing, modern equipment, structured onboarding, training opportunities, pension plan, health programs, cafeteria, free water and fruit, JobRad leasing and employee events.