H & M Machine Service was founded in 1968 with a clear vision—to deliver high-quality screw machine products with precision, reliability, and integrity. Today, that vision continues under the leadership of President Sandra Loness Cammarata, who proudly carries forward her family’s legacy of craftsmanship and customer commitment.
For more than five decades, the H & M team has understood what it takes to meet the needs of every customer—attention to detail, innovative solutions, and dependable service. We specialize in producing high-throughput, high-quality parts at fair and competitive prices, combining time-tested expertise with modern technology to meet the demands of today’s industries.
Our production capabilities range from short runs of 100 pieces to large-scale orders exceeding 4 million. With machining capacity from 1/8” to 3 1/2” in diameter, we operate as a full-service Swiss, Lathe, and Mill shop. Together, our team brings more than 150 years of combined experience to every project, ensuring precision, consistency, and efficiency from start to finish.
Proudly based in the United States, H & M Machine Service supports a global customer base across a wide range of industries. Our quality management system is certified to ISO 9001:2015, ensuring that every part we produce meets strict quality and performance requirements. With a focus on continuous improvement and customer satisfaction, we deliver seamless production and shipping to clients worldwide.
At H&M, we don’t just make parts—we build partnerships based on trust, quality, and a shared commitment to excellence.
Our Story
In the early 1960s, brothers John and Rusty Loness owned a small machine shop. Rusty focused on tool and die work, while John specialized in automated screw machining. As demand for screw machine parts grew, John and his wife, Alfreda, saw the opportunity to build something of their own. In 1968, they founded H & M Machine Service, naming the company after their well-known nicknames, “Herman” and “Mable.”
In 1971, after serving his country in the military, their son Gene “Gus” Loness joined the business and worked alongside his father to master the trade. By the late 1980s, H & M had grown significantly, prompting John to incorporate the company and partner with Gus.
When John unexpectedly passed away in 1991, Gus took the reins, continuing to expand the shop with new equipment and a growing customer base. His wife, Wendy, became President in 2015, carrying forward the strong foundation John and Gus had built. Just a few years later, in 2018, the next generation stepped in as Gus’s daughters, Sandra Loness Cammarata and Michelle Loness Cook, became President and Vice President.
Sandra and Michelle grew up in the shop, learning firsthand from their grandfather and father what it takes to succeed in the machining industry. Today, they honor that legacy through hard work, a commitment to quality, and superior customer service. Under their leadership, H & M has proudly maintained its ISO 9001:2015 certification.
In 2020, H & M expanded its capabilities once again by adding Swiss machining to its portfolio—bringing even greater precision and value to the industries we serve.
Continuing our tradition of innovation and community impact, in 2025, H & M partnered with Boone Center, Inc. (BCI), a Missouri nonprofit dedicated to supporting adults with intellectual and developmental disabilities through meaningful employment. Through this partnership, BCI serves as H & M’s agent for procurement, logistics, shipping/receiving, and billing, while also providing co-packaging and co-manufacturing services. This collaboration strengthens our ability to deliver high-quality screw machine products at competitive prices, while supporting an important social mission in our community.
Growing up, Sandra and Michelle watched their grandfather and father give so many people an opportunity when they needed it most. From giving someone who was down on their luck a job even though there was no opening, to paying for a funeral for someone they barely knew when the family could not afford it, or buying lunch for an elderly woman at a restaurant without even telling her. The partnership with BCI is now another opportunity to give back.
Since 1968, H & M has been committed to precision, quality, and customer satisfaction—and with each generation, we continue to build on that legacy.
