Lars Harper, so-founder and President of PWI Stratform thermoformers in Winston-Salem, NC.

PWI, established in 1964 in Winston-Salem, North Carolina, added its thermoforming division in 1992. Since then, PWI Stratform has expanded its capabilities to meet client needs. Contact us today to learn how we can help you achieve your goals - from prototypes to large runs - through our in house design and manufacturing services. 


Sample of thermoformed custom packaging material.

PWI prides itself on delivering high quality, low cost plastic thermoforming solutions. From prototypes to large runs, PWI consults with clients to identify optimal materials and techniques to meet and exceed expectations. 


Various equipment available to meet client needs, including this sheet-fed vacuum former.

We offer a wide range of services, techniques, and machinery to get your job done right. Learn more about our capabilities, or reach out to see how we can bring your ideas to reality.