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Grover MachineGiving A Shape to Metal

Who We Are


  • Protecting Homes and Commercial Buildings: Grover Machine is the pioneer of rollforming equipment for the rainware/guttering industry. We offer a full dedicated line of rollforming machines to produce gutter, elbow, downspout, fascia cap, J channel, soffit, and various trims to protect homes and commercial buildings. Adjustable feet are provided enabling the machine to be set perfectly level.
  • 60 Years of Experience: Established in 1958, Grover Machine Company has almost 60 years of experience in the construction industry.
  • Our Philosophy: At Grover, the production of machines is much more than an activity; it is a philosophy. Our philosophy is, as it has always been, to provide our customers with Quality, Durability, Efficiency, and Innovation. That is why Grover Machine Company has always combined quality of the materials and quality of the people.
  • A Leader in Our Field: Grover enjoys a position of leadership in our field based on innovative design and quality workmanship. We have the design and manufacturing experience, know-how, and the modern machine tools necessary to provide you with the best quality downspouts.
  • High Quality Materials and High Quality People: Our team consists of highly qualified specialists, knowledgeable and able to manage the departments of engineering, manufacturing and marketing.
  • High Tech, State of the Art Machine Shop: We have been constantly improving our manufacturing capabilities by converting our facilities to a "High Tech" state of the art cnc machine shop combined with a sophisticated computer design system, this enables us to improve our quality, to develop and to create innovative systems. Grover quality has been accepted and proven in the very competitive world market with machines sold in 30 different countries, in all continents.

Grover Rollforming Machinery to Feed the World


  • By 2050, we’ll need to feed two billion more people. Feeding everybody is becoming a challenge and many companies are trying the most efficient ways to feed the world. How can we do that without overwhelming the planet.
  • Modern mechanization is one way for farmers to increase yield.
  • Grover takes a lot of pride in participating in this challenge by offering innovative rollforming machines for the hydroponic agriculture industry. A new way to grow fruits and vegetables. Another innovation.

Quality U.S. Made Products


207 Prospect Ave.
St. Louis, MO 63122

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Grover Machine
207 Prospect Ave.
St. Louis, MO 63122