About InsulFab Plastics

InsulFab Plastics is one of the select few plastic component manufacturing companies that has been around for nearly a century. InsulFab Plastics was founded by Frank J. Hanus in 1923 in order to fill the need for a dependable company that could consistently offer high-quality contract manufacturing services. As the company grew over the years, InsulFab began to carve out a niche in the precision machining and stamping of engineering and high-performance plastic materials.

With a continual focus on exceeding our customer's expectations, InsulFab has established itself as one of the industry's most well respected and trusted sources for tight-tolerance CNC Machined and Stamped plastic components. InsulFab operates as an extension of our OEM partners. We're able to offer our clients significant resources ranging from sales, engineering, quality, and manufacturing expertise to help them achieve their precision component needs.

Our state-of-the-art manufacturing facility is located in Spartanburg, SC. We are an ISO 9001:2015 certified company that emphasizes a continued investment in best-in-class inspection and manufacturing technologies. From multi-axis CNC Machining to high-speed stamping, InsulFab Plastics is your sole source for precision plastic parts.

Our Core Competencies

CNC Machining


PCB Tooling