News, Press Releases

PTI Engineered Plastics has been awarded the “Top Workplace of the Year” for 2023 by the Detroit Free Press.

Macomb, Michigan – November 20, 2023 – PTI Engineered Plastics has been awarded a Top Workplaces 2023 honor by The Detroit Free Press. The list is based solely on employee feedback gathered through a third-party survey administered by research partner Energage, LLC.

Survey results show PTI scored in the top 25% percentile in our industry for culture. For nearly 40 years PTI has worked hard to foster a sense of community and a purposeful culture through having holiday parties, fundraisers, walks to support cancer research, community river cleanup, car show to support our veterans, among others.

PTI also scored high for the encouragement of new ideas by promoting creative problem solving and encouraging employees to come forward with thoughts and ideas.

PTI’s owner and CEO, Mark Rathbone, thanked employees for participating in the process, “We want to take this moment to express our deep appreciation for your unwavering dedication and commitment to making PTI a great workplace. Your engagement, passion, and the sense of belonging you have fostered have been instrumental in earning this recognition. Without every one of you, this accomplishment would not have been possible.”

PTI has been named a Top Workplace seven times in the last 9 years by the Detroit Free Press.


About PTI Engineered Plastics, Inc.

Headquartered in Macomb, MI, PTI Engineered Plastics is an industry leader in custom injection molding and manufacturing of plastic components and assemblies, with a specialty in low volume production. With nearly 40 years in business, this technology-driven company has extensive capabilities in design, engineering, tooling, and low to high volume production with an array of secondary services. ISO Class 8 Cleanroom services include molding, assembly, and packaging. PTI is also fully versed in IQ/OQ/PQ validation protocol. Visit for more information.