01/06/2026
At STMC, we love backing hard work and big dreams. That’s why we’re proud sponsors of Ami Martin in his quarter midget racing season. Great job on your first season racing in a competitive class!
Southington Tool & Mfg. Corp. or also referred to by many as "STMC" is a manufacturer of stamped and formed metal and wire components.
300 Atwater Street
Plantsville, CT
06479
| Monday | 8am - 4:30pm |
| Tuesday | 8am - 4:30pm |
| Wednesday | 8am - 4:30pm |
| Thursday | 8am - 4:30pm |
| Friday | 8am - 4:30pm |
Be the first to know and let us send you an email when Southington Tool & Manufacturing Corp posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.
Send a message to Southington Tool & Manufacturing Corp:
Southington Tool and Mfg. Corp. (STMC) is an industry leader in the production of quality Metal Stampings and Formed Wire Components utilizing Fourslide, CNC Wire Forming and Power Press equipment. In business for over 40 years, we take pride in providing quality critical products.
Southington Tool & Mfg. Corp (STMC) was founded on July 7, 1970 by Edward W. Kalat. From its beginning in 1970 as a supplier to the hardware industry STMC quickly expanded. In 1978, STMC began providing quality components to the medical industry. Since then, STMC has expanded into the aerospace, electrical, automotive, fi****ms, and other markets.
In 2011, five associates from the management team purchased the company from Mr. Kalat. It is their intention to continue the traditions of STMC and bring about their vision for the company.
Today the strength of the company is our associates; STMC has a strong group of long-term, dedicated and knowledgeable associates in production, quality, customer service and tooling. Because of our associates and equipment, we provide products which are delivered on-time and meet your requirements the first time and every time. We have embraced and implemented the philosophies of Lean Manufacturing, SPC, 5S and Six Sigma and we continually look for ways to drive down costs in order to compete in global markets.