Advanced Thermoforming Solutions

About Us

For 70 years, Ray Products has been helping our customers create 3D thermoformed plastic parts. Using some of the most advanced machinery and materials in the business, we work with a wide variety of industries to create the parts you need.



On April 1, 1949, Allen Ray along with — as the Alhambra Free Press put it — “his pretty wife, Margaret” founded Ray Products.

Today, 70 years later, some things are a bit different than they were then. Allen and Margaret might not recognize our current (much larger) headquarters, and our thermoforming equipment might look a bit alien to them. In those early years, the company mostly just produced one product: plastic baby bassinets. Today, Ray Products makes custom plastic pieces that are used around the world in everything from medical devices to commercial aircraft.

But some things haven’t changed. For one, the company is being run by Allen and Margaret’s grandson Brian. For another, we’re still committed to delivering the highest quality custom plastic parts available.

Back in the 1950s, Allen and Margaret’s bassinet-making technology was on the cutting edge. Today, we still are. We’ve invested millions in equipment that lets us do more for our customers, like 4-axis fully-robotic trimming and the largest thermoforming capabilities on the west coast.

Our company’s also inherited Allen’s habit of telling it like it is. For more than half a century, Ray Products customers have known that we’re always good for a straight answer.

We’re not out to make a quick buck, and we’ve spent well more than half a century building a reputation we’re proud of. We’ve been doing business this way since Truman was in the White House, and we’re not planning to stop any time soon.

If you’re interested in working with a plastics manufacturer that combines the latest thermoforming technology with 70 years worth of reputation, we’d love to hear from you.


Ray Products Opens In Alhambra


Allen and Margaret Ray found Ray Products in a 1,000 sq. ft. warehouse at 703 S. Palm in Alhambra, originally as a custom fabrication shop. They purchase the company's first thermoforming machine in 1952.


Moves To Bigger Space In El Monte


Ray Products outgrows its Alhambra location and moves to a new 18,000 square foot facility in El Monte, CA. By this time, Ray Products is manufacturing custom enclosures for the early computer industry, which requires the development of new and improved techniques for forming, trimming and assembly.


Bruce Ray Becomes President


After joining the company as controller in 1965, Bruce Ray purchases the company from his parents in 1975 and succeeds his father as president. In 1983 the company sets up an off-site paint facility to offer high quality painting and silk-screening services to its customers.


Moves To Bigger Space in Ontario


In August of 1995, Ray Products moves into a 48,000 square foot facility in Ontario, CA. The new facility substantially increases capacity, improves the flow of production and increases efficiency by allowing both manufacturing and finishing operations to happen under one roof.


Brian Ray Becomes President


Brian Ray takes over the company from his father, Bruce, in 1997, representing the 3rd generation of family ownership for Ray Products.


Adds Large Part Thermoforming & 4D Robotic Trimming


Ray Products makes substantial investments in offering its customers the latest in thermoforming equipment, including large-part thermoforming in 2005, 6-axis fully-robotic trimming in 2007 and the largest 10' x 18' pressure-forming capabilities on the west coast in 2012.

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