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In January, 1946, Nels WERNER Seaquist and Alex WERNER Carlson were both employed by Oak Manufacturing Co. in Crystal Lake, Illinois (USA). As both men had a tool and die background, they decided to form their own business, using their common middle name, "Werner".

Werner Die & Stamping, which would later branch off into Seaquist Valve, began its operations in a small garage on Hickory Nut Lane in Cary, IL, that was converted into a job shop. The garage, pictured here at left, measured only 25' by 30', but was the original location where work was performed on what would later become Seaquist's initial line of aerosol valves.

The newly formed company used the Hickory Nut garage for only a few months. In late 1946, Werner Die & Stamping rented the second floor of the Freeman Garage on Spring Street in Cary, Illinois, pictured second left, where they began work on a valve for Continental Can Company of Chicago. These valves were made under a patent granted to John Henchert of Continental Can Co.

Seaquist started out as an IDEA of two local residents during the mid 1940's.


In 1948, the first shipment of low pressure aerosol valves was made to Continental Can from the Freeman facility. By the end of the year, six million aerosol valves were produced, which represented the greatest portion of the market at that time.

In 1949, Werner die built its own plant on First Street in Cary, Il. This 5,000 square foot facility was a major advancement for the young, pioneering organization.

In 1952, Nels Seaquist bought the tooling from Continental Can Company and was in business on his own. Aero Valve Corporation and Seaquist Manufacturing Company were established.


In 1953, Nels Seaquist designed a new valve whose primary parts could be made of molded plastics with molded orifices. The ultimate result was the NS-31.

In 1964, Pittway Corporation acquired the Seaquist Manufacturing Company and Aero Valve Corporation. Seaquist grew and established several separate divisions in North America: Seaquist Canada (1968), SeaquistClosures (1976) and Seaquist Pumps (1987).

In 1968, Seaquist Valve began construction of a totally new plant facility that was placed in full scale operation in June of 1969.

In 1985, a ground breaking ceremony marked the beginnings of the new Seaquist Molding Center (right). The first shipment of buttons were produced and delivered to Seaquist Valve on October 30. The start-up operation included two molding machines and twenty people.

Today, the molding center employs over 80 people.

In 1992, Seaquist Valve and Seaquist Pump merged to become Seaquist Dispensing. Seaquist Group spun off from Pittway and formed AptarGroup, Inc. AptarGroup went public on the NYSE in April, 1993.

In 1996, Seaquist Dispensing and Perfect Valois Ventil (Germany) merged within AptarGroup to become SeaquistPerfect Dispensing.