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Worldwide Expertise

Our goal at ThermoFusion is to work hard, have fun, and exceed our customers’ expectations.

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Certified Specialists


Founded in 1968, ThermoFusion continues to grow and thrive as the only combined Heat Treating and Brazing company in the Bay Area. Our entire team has extensive experience in brazing, heat treating, engineering, production and manufacturing. Our backgrounds are as diverse as the companies we’ve worked for, giving us a broad range of experience beyond just brazing and heat treating. ThermoFusion is ISO9001:2015, AS9100 Rev D, and Nadcap certified. If you want your metallurgical problems solved quickly and efficiently, call us.

Behind the Scenes


  • We currently employ 3 Material Engineers.
  • We currently employ 1 Mechanical Engineer and 1 Industrial Engineer.
  • Our written quality policy is followed for every job.
  • Our worldwide experience and training comes from multiple companies.
  • We are constantly involved in large, small and development projects.
  • We offer pickup and delivery throughout the Northern CA area.
  • We operate 24 hours per day, 7 days per week (call us for shipping receiving hours).

40+ Years in the Making





1968


ThermoFusion forms in Oakland, CA.

1984


Dave Buttner joins the team.

1996


ThermoFusion starts AlphaBraze, the first stand alone brazing facility.

2010


ThermoFusion expands into induction Heat Treating.

2012


ThermoFusion adds a third vacuum furnace.

2014


ThermoFusion switches to green parts washing.

2019


ThermoFusion adds a new ultra high vacuum / hydrogen furnace.

1972


ThermoFusion expands to a new facility in Hayward, CA as their current location.

1995


ThermoFusion expands into Nevada.

2008


Glen Ottinger joins the team.

2011


Lisa and Nils join the team.

2013


ThermoFusion increases H2 furnace capability.

2016


ThermoFusion adds a fourth vacuum furnace and a new large air temper furnace.

2020


ThermoFusion adds new induction equipment.

40+ Years in the Making

1968


ThermoFusion forms in Oakland, CA.

1972


ThermoFusion expands to a new facility in Hayward, CA as their current location.

1984


Dave Buttner joins the team.

1995


ThermoFusion expands into Nevada.

1996


ThermoFusion starts AlphaBraze, the first stand alone brazing facility.

2008


Glen Ottinger joins the team.

2010


ThermoFusion expands into induction Heat Treating.

2011


Lisa and Nils join the team.

2012


ThermoFusion adds a third vacuum furnace.

2013


ThermoFusion increases H2 furnace capability.

2014


ThermoFusion switches to green parts washing.

2016


ThermoFusion adds a fourth vacuum furnace and a new large air temper furnace.

2019


ThermoFusion adds a new ultra high vacuum / hydrogen furnace.

2020


ThermoFusion adds new induction equipment.

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