Dart Container Corporation

What does Dart Container Corporation own?
Dart Container Corporation owns two primary brands: Dart (foam and plastic food service packaging products) and Solo (consumer cups, plates, bowls, and cutlery, known for the iconic red party cup). The company also produces compostable molded fiber products. Dart does not own brands outside the food service packaging industry.

Is Dart Container Corporation publicly traded?
No. Dart Container Corporation is entirely privately held by the Dart family and does not have shares listed on any stock exchange. There is no way for outside investors to purchase equity in the company. The company has never been publicly traded.

Who owns Dart Container Corporation?
Dart Container Corporation is entirely owned by the Dart family. Kenneth B. Dart and Robert C. Dart, sons of founder William A. Dart, hold controlling ownership. The company operates independently without external shareholders or institutional investors.

Who is the CEO of Dart Container Corporation?
Keith Clark serves as CEO of Dart Container Corporation.

When was Dart Container Corporation founded?
Dart Manufacturing Company was founded in 1937 by William F. Dart as a small machine shop in Mason, Michigan. His son, William A. Dart, developed the foam cup business and shipped the first insulated foam cups in 1960. The company was formally incorporated as Dart Container Corporation in 1963.

When did Dart Container acquire Solo Cup Company?
Dart Container acquired the Solo Cup Company in May 2012 in a deal valued at approximately $1 billion. The acquisition added the iconic Solo red cup brand and expanded Dart's product mix into paper cups and dinnerware.

How many employees does Dart Container have?
Dart Container employs approximately 12,800 people as of March 2026, down from approximately 13,630 in 2023. The company's workforce is concentrated primarily in the United States (approximately 91% of employees), with additional operations in Mexico, Canada, the United Kingdom, Argentina, and other countries.

What is Dart Container's annual revenue?
Dart Container's annual revenue is not publicly disclosed. Third-party estimates place it at approximately $3.2 billion, based on data from business intelligence providers. The company does not file detailed financial reports with the SEC.

Dart Manufacturing Company was founded in 1937 by William F. Dart as a small machine shop in Mason, Michigan. The shop manufactured key rings, steel tape measures, and dog tags for the Department of Defense. William A. Dart, his son, joined the family business in the late 1950s after graduating from the University of Michigan with degrees in metallurgy, mathematics, and engineering.

The father and son team experimented with expandable polystyrene (EPS) molding processes and shipped their first insulated foam cups in April 1960. Dart Container Corporation was formally incorporated in 1963. Among the company's first major clients were Chick-fil-A, Sysco, and US Foods, along with hospitals, schools, and sports stadiums.

During the 1960s and 1970s, Dart expanded operations to Pennsylvania, Illinois, California, and Texas, and began manufacturing plastic dinnerware and cutlery. In 1981, the company filed a patent for a press-down tab lid that allowed customers to drink while the lid remained on. Kenneth Dart became president in 1986, and the company expanded internationally to Mexico in 1996 and later to the United Kingdom, Australia, Argentina, and Brazil.

In May 2012, Dart Container acquired the Solo Cup Company in a deal valued at approximately $1 billion, adding the iconic Solo red cup to its portfolio. By 2013, the company had grown to 14,000 employees across 45 locations in 12 U.S. states and eight countries.

In recent years, Dart has invested in compostable molded fiber products and paper alternatives as demand for polystyrene foam has declined due to environmental regulations. The company has also expanded its polypropylene (PP) product lines, which are more widely recyclable than polystyrene foam.

In 2025, Dart Container earned recognition for sustainable packaging from industry organizations. On Earth Day 2025, Dart announced that WM (Waste Management, the largest recycler in the United States) had expanded recycling options for paper and polypropylene (PP) to-go cups, allowing residents serviced by WM across the U.S. to place these items directly in their recycling bins. Dart's PP products were recognized by the Association of Plastic Recyclers (APR) for recycling compatibility, in partnership with the Foodservice Packaging Institute (FPI).

Dart Container's workforce has declined from approximately 13,630 employees in 2023 to approximately 12,794 as of March 2026, a 6.1% reduction. This decline reflects plant closures, market shifts away from foam products, and operational efficiency improvements. The company had 146 active job postings in 2026, a 17.1% increase from 2025.

Dart Container does not have formal sustainability certifications or science-based targets for carbon emissions reduction. The company's sustainability efforts focus on recycling infrastructure, product diversification, and operational efficiency.

Recycling programs: Dart Container has operated foam recycling programs since the 1990s, using foam recycling densifiers and collection programs at its manufacturing facilities. However, the effectiveness of foam recycling has been questioned by environmental groups, who note that most foam products end up in landfills despite the company's recycling efforts.

Product diversification: Dart has expanded its portfolio of sustainable products, including compostable molded fiber products manufactured from renewable resources like bamboo, sugarcane, and wheat straw. The company has also expanded its polypropylene (PP) product lines, which are more widely recyclable than polystyrene foam. In 2025, Dart's PP products were recognized by the Association of Plastic Recyclers (APR) for recycling compatibility.

Earth Day 2025 milestone: On Earth Day 2025, Dart announced that WM (Waste Management), the largest recycler in the United States, had expanded recycling options for paper and PP to-go cups. Residents serviced by WM across the U.S. can now place paper and polypropylene to-go cups directly in their recycling bins for local pickup. This development was facilitated through a partnership with the Foodservice Packaging Institute (FPI).

Operational efficiency: Dart's vertically integrated operations allow for greater control over environmental impacts throughout the production chain, from raw material sourcing to finished product delivery. The company has implemented energy-efficient manufacturing processes and waste reduction programs across its facilities.

Dart Container is not a Certified B Corporation and does not have published science-based targets for carbon emissions reduction. The company's sustainability efforts are focused on product-level improvements rather than formal certifications or corporate-wide commitments.

Dart Container has received recognition for its sustainability and packaging innovations:

• Sustainable Packaging Recognition (2025): Dart Container earned recognition for sustainable packaging from industry organizations
• Association of Plastic Recyclers Recognition (2025): Dart's polypropylene (PP) products recognized for recycling compatibility
• WM Recycling Partnership (2025): Paper and PP to-go cups from Dart now accepted in WM's residential recycling program across the United States
• Foodservice Packaging Institute Partnership: Strategic partnership with FPI for market development and research on recyclable packaging

These recognitions are based on industry assessments and third-party evaluations.

Dart Container Corporation has faced significant environmental scrutiny and regulatory challenges.

Polystyrene foam bans: Several U.S. states and municipalities have banned or restricted expanded polystyrene foam food service containers, citing environmental concerns about plastic pollution and marine debris. States with foam bans or restrictions include California, New York, Maine, Washington, Colorado, and others. These bans directly affect Dart's core foam product business and have contributed to the company's workforce reductions and product diversification efforts.

Environmental group criticism: Environmental groups have criticized Dart Container for its role as the world's largest foam cup manufacturer, arguing that the company's products contribute significantly to plastic waste and environmental pollution. Organizations including the Plastic Pollution Coalition and the Environmental Working Group have called for phase-outs of polystyrene foam products.

Recycling claims scrutiny: The company has faced scrutiny over its environmental claims and marketing practices, with some consumer advocacy groups questioning the environmental benefits of certain recycling programs and the actual recyclability of foam products in local communities. While Dart operates foam recycling densifiers, the majority of foam products are not recycled in practice due to limited recycling infrastructure.

Workforce reductions: Dart Container's workforce has declined from approximately 13,630 employees in 2023 to approximately 12,794 in March 2026, a 6.1% reduction. These reductions reflect plant closures, market shifts away from foam products, and operational efficiency improvements. The company has not publicly disclosed detailed information about specific facility closures or layoff events.

Regulatory compliance: Dart Container must comply with varying state and local packaging regulations across different jurisdictions. The company has had to adapt its product offerings and manufacturing processes to comply with evolving environmental standards and packaging bans, which increases operational complexity and costs.