Welcome to Thoro

Thoro knows that “It’s not just a carton. It’s your brand.” You won’t find any “cookie-cutter” standard packaging here. Placing its greatest emphasis on quality, Thoro offers custom, innovative solutions to fit your goals and add value to your brand. Thoro is capable of running any quantity from small to large, with no minimum order requirement. So no matter how big or small, Thoro has a solution for you. Consistently providing unmatched quality and customer service makes Thoro Packaging a partner you can trust. Offering sustainable solutions, Thoro grows with your business.

For over 45 years Thoro has partnered with companies of all sizes, from small business to top Fortune 500 companies, in the medical, pharmaceutical, health & beauty, gourmet food and confections and other consumer product industries.

Who Is Thoro?

Thoro creates collaborative solutions
Thoro partners with our customers, suppliers, employees and our community
Thoro produces fabulous folding carton packaging to enhance the value of our customers’ brands
Thoro’s mission is to:

  • Provide the customer with products and services that add value and exceed expectations
  • Create an atmosphere of safety, security and advancement for our employees
  • Contribute to the community while being a steward of the environment

Our continuous focus on these values will provide our customers, suppliers, and Thoro Packaging with the opportunity to prosper and grow in the marketplace.

For Our Customers We:

  • Listen and respond to their needs
  • Develop creative solutions
  • Create win-win opportunities
  • Meet or exceed their requirements
  • Support the quality management system
  • Anyone can stop a job

For Our Innovation We:

  • Embrace change & new technology
  • Continually analyze & improve processes
  • Implement technology that adds value & increases responsiveness to customers
  • Conquer emerging business trends & philosophies
  • Think outside the box


Thoro Packaging is committed to meeting Customer, Statutory, and Regulatory requirements through continual improvement of the Quality Management System.

We deliver excellence by being flexible to our customer requirements.  We Can Do It!”

– Macy Steiner, Founder of Thoro Packaging

Can do! That is the attitude at Thoro.  You tell Thoro what you need and they make it happen.  This includes developing new techniques, new processes, or sourcing new materials to fit the needs of customers’ projects. Research and development is part of our culture. Thoro is committed to helping your business grow, and will stop at nothing to meet your expectations.  Thoro will grow with you, change with you, and provide sustainable solutions. Providing a partnership you can rely on and trust!

The History of Thoro


In 1967, Macy Dabek had a vision. He saw a need for a quality short-run folding carton company in Southern California.  Equipped with very little cash and a lot of determination, Macy Dabek founded Thoro Packaging. His desire was to focus on folding cartons and to be the best in the marketplace. So, in January 1968, with a single one color printing press, one small die cutter and Mrs. Dabek with glue bottle in hand, Thoro Packaging became a reality!

The following three years brought success to Thoro, which resulted in the move to a larger facility.  Continued growth resulted in the addition of an adjacent building. Then in July of 1990, Thoro Packaging’s success again resulted in another move to our current 54,000 square foot facility located in Corona, California. In 2003, an additional 38,000 square foot building was acquired for a finished goods warehouse and future expansion.

In June 1982, because of failing health, Macy Dabek stepped down as President of Thoro. The Board of Directors elected Janet Dabek Steiner as President/CEO to continue with Mr. Dabek’s vision of quality and customer satisfaction.

In keeping with the commitment to customer satisfaction, Thoro Packaging has invested in state of the art equipment and technologies necessary to support the goals of growth and continuous quality improvement.  Team meetings, on a frequent basis, allow employees to exchange ideas and implement programs to ensure consistent quality and “We can do it” behavior.

One indicator of our employees’ absolute commitment to quality occurred in June of 1999, when Thoro Packaging was awarded ISO 9002 certification by TUV Management Services, then upgraded to ISO 9001:2000 in April of 2000, and further upgraded to the ISO 9001:2008 standard in 2009. Thoro has successfully been recertified every year since the beginning.

In 2007, Macy Steiner, the grandson of Macy Dabek, took the role of General Manager after working at several positions within Thoro and spending time in Germany learning best manufacturing practices. Thoro is now a three generation family owned business.

Macy Dabek’s vision in 1967 has been realized as Thoro Packaging today continues to pursue the company’s commitment statement, “We deliver excellence by being flexible to our customer requirements. We Can Do It!”

“We deliver excellence by being flexible to our customer requirements. We Can Do It!”

–Macy Dabek Founder, Thoro Packaging