Proos is a nearly 100-year-old Grand Rapids, Michigan based manufacturing and fabrication company, whose mission is to utilize our CAN DO attitude in order to successfully and effectively exceed our customers’ needs and expectations daily. Our philosophies of providing high quality products and excellent customer service continue to make us successful. Some of our capabilities include:

Metal Stamping

Metal Stamping at Proos ManufacturingFor almost 100 years, Proos Manufacturing has excelled in the art of metal stampings, metal forming and value added assemblies. Our skilled team upholds the Proos family tradition of providing excellent service and outstanding quality.

Sheet Metal Fabrication

Metal Fabrication at ProosProos Fabrication is a precision fabricator of metal products. We can fabricate from standard drawings or according to your custom specifications in stainless steel, aluminum, steel, brass, galvanized steel and copper. Our team has the experience, resources and skill to provide you with superior service for your metal fabrication needs.

Engineering & Design

Engineering and Design at ProosAt Proos, we provide our customers with a full array of engineering and design services. Our team passionately pursues engineered solutions with unique insight and innovation. Our outstanding engineers are the difference between our company and our competitors!

  • Program Management
  • Prototyping


Assembly at Proos As we’ve expanded from the automotive industry into the office furniture, medical, defense, industrial and energy application industries, we’ve developed a full range of vertically integrated manufacturing solutions to meet the evolving needs of our customers. Read about the vast array of assembly capabilities Proos provides throughout the industries we serve.

Quality Assurance

Quality Assurance at ProosQuality assurance is of the utmost priority at Proos. We ensure we continue to meet our customers’ expectations on design, manufacturing, fabrication, supply chain and distribution by focusing on the quality of our products and our service.

Blow Molding

Blow molding at ProosAt Proos Fabrication we can blow mold products up to 8 pounds and 30 inches long, depending on the configuration of the part. We use a high-density polyethylene material – a substance known for its large strength-to-density ratio.

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2555 Oak Industrial Dr. NE, Suite A, Grand Rapids, MI 49505 (616) 454-5622