May 21, 2024
Landmark celebrates 40 years

Landmark Plastic is celebrating its 40 anniversary of delivering innovative solutions for the greenhouse industry. Since its founding by Bob and Leo Merzweiler in Ohio in 1984, Landmark Plastic has been a family-owned business that provides a wide range of thermoformed, injection molded and extruded sheet to the horticulture industry.

“Our mission has always been clear. For 40 years, we have worked tirelessly to understand the unique needs of growers and provide them with containers and growing systems based on their needs,” said Steve Merzweiler, president and chief operating officer for Landmark Plastic.

Landmark building and trays
Photo courtesy of Landmark Plastic

With a focus on new product development and enhancement, Landmark Plastic offers an array of containers, trays and growing systems tailored to meet the diverse needs of growers and retailers. From propagation trays, bedding packs, hanging baskets, to decorative containers, Landmark’s product offering continues to evolve to meet the needs of customers.

“Landmark Plastic has always taken pride in its systematic approach to solving its customers’ challenges,” added Bill Riffey, vice president sales and marketing. “From concept to production, our dedicated team of experts is committed to delivering superior service and results.”

Landmark Plastic’s offerings

  • Product development and customization
  • Manufacturing excellence
  • Branding solutions

As Landmark Plastic commemorates its 40th anniversary, the company reaffirms its commitment to innovation, quality and customer satisfaction in the horticulture industry. For more information, visit

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