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Corporate History

Over 50 years ago a bright engineer named Gary N. Burnett started a company in his garage. Gary was a capable and hard working man who started making small items such as heat shields. Gary would work late into the night on his personal projects while working for Temescal during the day. Temescal was known for making complex gate valves. Eventually Gary generated enough business to move his manufacturing to Pacific Street in Hayward California where in 1968, he started the GNB Corporation. He enlisted a couple of his friends from Temescal as his assistants. During the early years, Gary took almost any type of work he could find. He built complete turn-key coating systems, planetary gear drives, positioners, custom machining, engineering work; and he built a variety of products for the vacuum industry. In the 70’s and 80’s, Gary worked to simplify his vacuum valve designs. GNB had an important market niche of supplying large gate valves for the metallurgical field, and Gary did his best to reduce the complexities found with most valve designs at the time. Much of Gary’s engineering and design work can still be seen in our current gate valve designs.
Corporate History
Corporate History

Sierra Concepts Corporation became interested in GNB around 1989, and by 1990 Sierra had completed the purchase of GNB. In an effort to improve quality and focus on the interests of our customers, Sierra Concepts Corporation decided to move GNB from Pacific Street to the Huntwood Business Park. Stan Cohelan was president of GNB from 1990 to 2005 and was pivotal in organizing GNB into a more focused and efficient company. Working with Dalny Travaglio, a highly experienced engineer, Stan worked on improving GNB’s capabilities, processes and the designs of GNB’s gate valve line. Along with standard gate and angle valves, GNB produced many custom valves and chambers, and engineering expertise became our trademark through the 90’s.The Huntwood facility was much better than the Pacific Street plant. Workers had everything they needed to do their jobs in a great environment. However, GNB was growing during the late 90’s and needed more space. When real estate prices exploded in the San Francisco Bay Area, workers could no longer afford to live nearby. GNB had difficulty finding workers, and many employees commuted hours each day. In 2001, we began our search for a new location. With our focus on affordable homes for our workers and a community from which GNB and its workers could thrive, we found Elk Grove, California. This is a modern community on the southern edge of Sacramento, California. We enjoyed a successful move and have since hired many great employees.

We are thrilled to announce an Executive leadership transition at GNB. The Board of Directors has appointed two accomplished individuals to lead our company into the bright future.

Thomas Dobler – CEO With an impressive 14-year journey at GNB, Thomas Dobler brings a wealth of technical experience and customer insights to his new role as CEO. Thomas previously held the position of VP of Sales, where he showcased innovative leadership and strategic thinking.

Chris Long – President A veteran of 23 years with GNB, Chris Long’s exceptional dedication and visionary leadership have been pivotal to our company’s growth. Having previously served as CFO, Chris’ in-depth knowledge of GNB’s operations will greatly contribute to his role as President.

Please join us in congratulating Thomas and Chris as they lead GNB into an exciting chapter of expansion and excellence.

GNB has almost 100 employees in 2023 and are looking forward to growing the company even more in the future. 

Sierra Concepts Corporation became interested in GNB around 1989, and by 1990 Sierra had completed the purchase of GNB. In an effort to improve quality and focus on the interests of our customers, Sierra Concepts Corporation decided to move GNB from Pacific Street to the Huntwood Business Park. Stan Cohelan was president of GNB from 1990 to 2005 and was pivotal in organizing GNB into a more focused and efficient company. Working with Dalny Travaglio, a highly experienced engineer, Stan worked on improving GNB’s capabilities, processes and the designs of GNB’s gate valve line. Along with standard gate and angle valves, GNB produced many custom valves and chambers, and engineering expertise became our trademark through the 90’s.The Huntwood facility was much better than the Pacific Street plant. Workers had everything they needed to do their jobs in a great environment. However, GNB was growing during the late 90’s and needed more space. When real estate prices exploded in the San Francisco Bay Area, workers could no longer afford to live nearby. GNB had difficulty finding workers, and many employees commuted hours each day. In 2001, we began our search for a new location. With our focus on affordable homes for our workers and a community from which GNB and its workers could thrive, we found Elk Grove, California. This is a modern community on the southern edge of Sacramento, California. We enjoyed a successful move and have since hired many great employees.

From 2005 to 2023, under his leadership, Ken Harrison achieved remarkable accomplishments that propelled the company to new heights. One of his most noteworthy achievements is the significant expansion of the company’s size and global footprint. Through strategic initiatives and innovative approaches, he successfully penetrated new markets, established strong partnerships, and expanded the company’s reach across continents. Additionally, Ken spearheaded the implementation of ISO certification, a testament to the company’s commitment to quality and excellence. This certification not only boosted customer confidence but also enhanced operational efficiency and streamlined processes. Furthermore, Ken led the company to receive the prestigious Baldridge Award, a recognition of its outstanding performance and commitment to continuous improvement. Lastly, under his guidance, the successful transfer of ownership to new stakeholders was seamlessly executed, ensuring the company’s sustained growth and success in the future.

Exciting new management changes are happening at GNB. As of September 2023, the Board of Directors has appointed two accomplished individuals to lead GNB into a bright future. Thomas Dobler has an impressive 14-year journey at GNB. Thomas Dobler brings a wealth of technical experience and customer insights to his new role as CEO. Thomas previously held the position of VP of Sales, where he showcased innovative leadership and strategic thinking. Chris Long is a veteran of 23 years with GNB, Chris Long’s exceptional dedication and visionary leadership have been pivotal to our company’s growth. Having previously served as CFO, Chris’ in-depth knowledge of GNB’s operations will greatly contribute to his role as President. Please join us in congratulating Thomas and Chris as they lead GNB into an exciting chapter of expansion and excellence. GNB has grown from 19 employees in 2001 to just under 100 employees in 2023. We are looking forward to building an even stronger company in the future.

Corporate History

GNB is well known for its ability to successfully engineer and manufacture vacuum products for the most difficult of applications. While others in the industry can claim to manufacture a larger quantities of gate valves, GNB is highly renowned and the market leader for: 1. Large sized gate valves (we have built some of the largest in the world, and our space simulation valves are used in the most prestigious space agencies around the world), 2. High temperature gate valves (our water-cooled valves are used in extreme temperatures for casting, forging, heat treating and silicon growing applications), 3. Valves for highly contaminated environments (many valve makers have experience with clean room valves, but GNB leads the way in environments such as coatings, metal spatter, broken glass, powders and metal chunks. 4 Valves integrated into systems (because GNB manufactures, chambers, valves and accessories we routinely combine them to reduce costs and space), and 5. Valve customization (GNB has built custom valves for the most demanding applications including: low shock, radiation, tight physical sizes, unique shapes and sealing mechanisms, different types of drive mechanisms and extreme temperature ranges—no one has a broader range of experience). Since 2005, GNB is transitioning from a company culture of a custom engineering/fabrication shop to a world-class manufacturing organization. In 2008, we completed the requirements for ISO 9000 certification.

Our Location
Corporate History
We continue to invest in our company. Since moving to the Elk Grove facility, we have dramatically increased our capacity by adding three large CNC mills, two smaller mills, a large CNC 5-axis waterjet, several new leak test stations, and many weld stations. We have also added 20,000 sq. ft. of floor space.

Today we specialize in vacuum valves, vacuum chambers and vacuum hardware accessories. The two qualities that set GNB apart from our competition are our ability to make large products (if you can find a way to transport it, we have the equipment to build it) and our experience of successfully engineering products for the most difficult applications.

From a small garage shop type business to a 70,000 sq. ft. facility, GNB has a reputation of developing great products at reasonable prices. Our mission is to provide highly successful vacuum products for science and industry. Along the way, we have satisfied many customers, and we have participated in some remarkable scientific applications.

We continue to invest in our company. Since moving to the Elk Grove facility, we have dramatically increased our capacity by adding three large CNC mills, two smaller mills, a large CNC 5-axis waterjet, several new leak test stations, and many weld stations. We have also added 20,000 sq. ft. of floor space.

Today we specialize in vacuum valves, vacuum chambers and vacuum hardware accessories. The two qualities that set GNB apart from our competition are our ability to make large products (if you can find a way to transport it, we have the equipment to build it) and our experience of successfully engineering products for the most difficult applications.

From a small garage shop type business to a 70,000 sq. ft. facility, GNB has a reputation of developing great products at reasonable prices. Our mission is to provide highly successful vacuum products for science and industry. Along the way, we have satisfied many customers, and we have participated in some remarkable scientific applications.

Corporate History
As of August 2016, we were pleased to announce that GNB Corporation is a part of the KL family of companies. As far as capabilities are concerned, little has changed. GNB remains a California corporation and has retained all of its existing personnel and competencies. However, in addition to the valves, chambers and baffles which GNB has been providing to customers since 1968, GNB will also be the US manufacturer and distributor of Advantorr products. This allows us to sell a full range of high quality vacuum components such as flanges, fittings, viewports, gate valves, angle valves and semiconductor wafer transfer valves.