• Proud to be Employee Owned


    Proud to be
    Employee Owned

    Proud to be owners as part of an ESOP
    company, all DPI employees are truly dedicated.

An employee-owned company, Diversified Plastics is a leading precision plastic injection molding and contract manufacturer. We provide small- to medium-sized custom plastic injection molded components and assemblies for a wide range of applications. In addition to manufacturing, we offer complete value-added services, including design assistance, 3D injection molded prototyping, decorating, assembly and clean room packaging. We have experience working with a wide variety of injection molding grade resins and exotic materials.

Request a quote, email or call us at +1 763.424.2525 today.

  • Nov 1st, 2018
    Great turnout for the Lunch and Learn about Carbon
    Great turnout for the Lunch and Learn about Carbon, sponsored by DPI, at MD&M Minneapolis. After the presentation, attendees were able to examine parts digitally manufactured with Carbon’s 3D-additive manufacturing technology. Learn more about Carbon > 
  • Oct 30th, 2018
    Diversified Plastics, Inc. joins the Carbon Production Network
    Carbon technology is next-generation 3D-additive manufacturing Diversified Plastics, Inc. (DPI), a custom plastic-injection molder and digital manufacturer of high-precision components, has announced that it has joined the Carbon Production Network (CPN). Carbon’s innovative digital manufacturing solution gives Diversified Plastics, Inc. the ability to offer customers prototyping and end-use part digital manufacturing. “Traditional plastic injection molding Read more...
  • Oct 25th, 2018
    Lunch and Learn about Carbon at MD&M Minneapolis
    A Carbon production partner, Diversified Plastics, Inc. is sponsoring a lunch and learn about Carbon on Thurs., Nov. 1 at 12:45 pm at MD&M Mpls. in room 101H. Register now, space is limited. #AdvMfgExpo #MDMMinneapolis https://goo.gl/7NAeBV
  • Aug 30th, 2018
    New Diversified Plastics, Inc. white paper provides insight on avoiding pitfalls when transferring tools to a new vendor
    Diversified Plastics, Inc. (DPI), a custom plastic-injection molder of high-precision thermoplastic components, has released a new white paper titled Avoid Pitfalls: Tool Transfer Protocols. This white paper provides information to minimize risk or impact on production and streamline the process of transferring tools to a new vendor. Changing plastic injection molding vendors may be necessary Read more...
  • Jun 15th, 2018
    Avoid Pitfalls: Tool Transfer Protocols
    WHITE PAPER Every mold transfer is a challenge. Transferring tools from one plastic injection molding company to a new supplier, with uninterrupted production, requires up-front planning and effective communication for a successful outcome. This white paper provides steps to take when transferring tools.  
  • Feb 5th, 2018
    Diversified Plastics expands capacity with larger, environmentally controlled, molding room
    To meet growing demand, Diversified Plastics, Inc. has enlarged its molding and packaging, environmentally controlled, room by 2,775 square feet (257.81 square meters). The company has also installed a new 250-ton molding machine that accommodates existing molds and increases capacity and flexibility in scheduling. In addition to this controlled environment, Diversified Plastics has two clean Read more...
  • Feb 5th, 2018
    CEO Jim Dow, 81 signs off after selling his Diversified Plastics to his beloved employees
    StarTribune article, by Neal St. Anthony https://goo.gl/LVhtCd The Brooklyn Park firm has grown to 80 employees. It became a profitable company with revenue that should top $15 million this year. Jim Dow, who just retired as a CEO at 81, probably deserves the Florida vacation this month as much as any boss I know. Dow, Read more...
  • Jan 5th, 2018
    Diversified Plastics, Inc. founder, James R. Dow, retires, leaving his imprint on the company’s history
    MINNEAPOLIS — After 40 years of leading Diversified Plastics, Inc. to success, James R. Dow retires as president. Succeeded by Kevin G. Hogan in August 2017, Dow will continue to serve as chairman of the board for Diversified Plastics, an award-winning, custom plastic-injection molder of high-precision thermoplastic components. “As a result of Jim’s exceptional leadership, Read more...
  • Oct 24th, 2017
    Erik Paulsen visits Diversified Plastics, Inc. as part of a tax reform listening tour to small businesses
    MINNEAPOLIS—Congressman Erik Paulsen (MN-03) recently visited Diversified Plastics, Inc., a custom plastic-injection molder of high-precision thermoplastic components, as part of a small-business tax reform listening tour. The objective of the visit was to learn firsthand how tax reform can help Minnesota businesses and families. “The research and development (R&D) tax credit provides a savings to Read more...
  • Oct 18th, 2017
    Congressman Erik Paulsen Visits Diversified Plastics, Inc.
    Congressman Erik Paulsen visits with Roger Vang, CFO of Diversified Plastics, Inc. to discuss tax reform and what it means to businesses in the United States. Paulsen and Vang also discussed the advantages of Diversified Plastics employee owners through their employee stock ownership plan (ESOP) program.
  • Oct 3rd, 2017
    Diversified Plastics, Inc. wins Best In Class – Mid-size company of the 2017 Minnesota Manufacturing Awards
    MINNEAPOLIS—Diversified Plastics, Inc., a custom plastic-injection molder of high-precision thermoplastic components, was recognized as the winner of the Best In Class – Mid-size category for the 2017 Minnesota Manufacturing Awards. Finalists and award recipients were announced at a ceremony on September 28, 2017. “As this is our 40th year in business, it’s an honor to Read more...
  • Aug 3rd, 2017
    Diversified Plastics, Inc. appoints Kevin G. Hogan as CEO
    MINNEAPOLIS—Diversified Plastics, Inc., a custom plastic-injection molder of high-precision thermoplastic components, has announced the appointment of Kevin G. Hogan as chief executive officer (CEO). Hogan succeeds James Dow, founder and previous CEO of Diversified Plastics. Retiring in October 2017, Dow will continue to serve as chairman of the board. The company was sold to the Read more...
  • Aug 2nd, 2017
    Diversified Plastics Featured in Built in Brooklyn Park Video
    Diversified Plastics, Inc. featured in video for new ad campaign called, “Built in Brooklyn Park”. The campaign will focus on manufacturing and products made in Brooklyn Park. Its intent is to encourage economic growth in the area.
  • Jul 28th, 2017
    Parts Manufactured by Diversified Plastics, Inc. Get Closer to Jupiter’s Giant Storm
    Components manufactured by Diversified Plastics, Inc. are contained in an instrument on the Juno Spacecraft that is orbiting Jupiter. This spacecraft and its instruments are the closest human-built objects to travel past the biggest storm in our solar system, known as the Great Red Spot. NASA recently posted the closest images that have ever been Read more...
  • Jun 15th, 2017
    Diversified Plastics, Inc. finalist, Best in Class – Mid-size for the Minnesota Business Manufacturing Awards
    Diversified Plastics, Inc. has been named as a finalist in the Best in Class – Mid-size category for the 2017 Minnesota Business Manufacturing Awards. Winners in each category will be announced at the awards gala to be held on Sept. 28, 2017.
  • Jun 9th, 2017
    DPI’s Janel Rosine participating in Crown Rally 2017
    Janel Rosine from Diversified Plastic Inc. is participating in Crown Rally 2017 this weekend, June 9 through June 11. Benefiting the Epilepsy Foundation and Kars4Kids, the event unites automotive enthusiasts for driving and navigational adventures throughout the Midwest. Rosine is part of a team that has raised money for the event. Diversified Plastics is one Read more...
  • May 22nd, 2017
    Women’s Networking Breakfast held at ANTEC
    Annette Lund, vice president at Diversified Plastics, Inc. providing insight as a member of an influential panel of women in the plastics industry at ANTEC 2017. This was the first Women’s Networking Breakfast held at ANTEC the annual conference for the Society of Plastics Engineers (SPE).
  • Mar 28th, 2017
    Watch our new video. It provides insight into Diversified Plastics, Inc. plastic injection molding and contract manufacturing capabilities, facilities and equipment.
  • Feb 3rd, 2017
    Diversified Plastics, Inc. Celebrates Its 40th Anniversary
    MINNEAPOLIS—Diversified Plastics, Inc., a custom injection molding company of high-precision components, is celebrating its 40th anniversary. The parts manufactured by Diversified Plastics can be found in dental x-ray machines, lithium-ion batteries, Juno spacecraft instruments, medical devices, tournament-quality foosball tables and other products and equipment. Founded in 1977, by James R. Dow and William J. Cullen, Read more...
  • Jan 18th, 2017
    Diversified Plastics, Inc. appoints William K. Sourinta as quality manager
    MINNEAPOLIS—Diversified Plastics, Inc. has appointed William K. Sourinta as quality manager. Sourinta will play an integral part in continuous advancement and maintenance of Diversified Plastics’ quality systems to ensure that products meet or exceed customer requirements. In this role, he will also be responsible for training and keeping the company current and compliant with industry Read more...