Colonial Spring Company Partners


SEI MetalTek is a privately owned operating company that invests its own capital in the acquisition and development of manufacturing companies in the metal fabrication, processing and testing industries

logo-springeng Spring Engineers of Houston manufactures custom springs, compression springs, torsion springs, and springs washers in a variety of metals: brass, copper, titanium, and stainless steel. We are ISO 9001:2000 certified.
logo-hrdwr Hardware Products has over a century of spring manufacturing excellence; we not only make the stock springs you need but help you manage your JIT inventory as well. We know we can do this because we manage what we believe is one of the oldest stock spring inventories in the country: our own!
logo-jmd John M. Dean, Inc. has been in business for over 100 years manufacturing pins and pointed wire products for industry. Our quality products are manufactured to customer specifications from Steel, Music wire, Stainless Steel, Monel, Nickle-Silver, Titanium and many other materials. We can heat treat, polish, bend, knurl, flatten, plate, assemble, package and perform many other secondary operations for you. We can make small or large quantities to your exact requirements.


An SEI MetalTek Company

  • Colonial Spring Company

    95 Valley Street

    PO Box 1079

    Bristol, CT 06011


    phone: (860) 589-3231