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About Us


Southington Tool & Mfg. Corp. (STMC) is an industry leader in producing fourslide, wire formed and stamped products for a wide range of markets from medical and automotive to hardware and electrical. Within these markets we produce products as small as medical staples and surgical clips to something as large as face plates for door handles. In the automotive and lighting markets we supply terminals, mounting brackets, springs and a variety of other applications. Our extensive line of fourslide machines are capable of forming flat stock from .003" thick to .125" and forming wire diameters from .002" to .187".

STMC offers metal stamping services. With straight sided power presses ranging from 22 tons to 100 tons, we can stamp and form parts ranging in thickness from .002" to .156".

STMC offers tightly toleranced CNC wire forming services. Utilizing specialized forming machines with automatic wire feed and straightening, we offer a wide range of wire forming capabilities for products with wire diameters ranging from 0.010" to .120".

STMC also offers several in-house secondary operations such as: deburring, tumbling, ultrasonic cleaning, vacuum annealing, welding and assembly. Additionally, we maintain a strong base of approved suppliers for outside services such as plating, heat treating, electro-polishing and many more.

Brief History:

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, Southington Tool began providing quality components to the medical industry. Since then, STMC has expanded into the aerospace, electrical, automotive, and firearms markets. In 2011, five associates from the management team purchased the company from Mr. Kalat. It is their intention to continue the traditions of Southington Tool & Mfg. Corp., 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 work 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.

STMC is a stable privately held company with a management team that has been in-place for 20 plus years. With over 40 years of manufacturing experience, Southington Tool & Mfg. Corp. is well positioned to offer a variety of solutions for applications requiring custom metal components from prototype to mass quantities, wherever experience counts and quality matters.

Southington Tool & Mfg. Corp.


Traveling I-84 Westbound:

Take exit 30. At end of exit ramp, take a left.
At the stop light take a right on to Atwater Street.
Building is located - mile on the right.
Go up the driveway and follow the sign to Visitor's Parking.
Please enter thru office entrance.

Traveling I-84 Eastbound:

Take exit 30. At end of exit ramp take a right.
Building is located - mile on the right.
Go up the driveway and follow the sign to Visitor's Parking.
Please enter thru office entrance.

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Southington Tool & Mfg. Corp.