Dating back to 1966, SiS Ergo represents a world of innovative ergonomic products. For over 50 years, SiS Ergo has been a pioneer in design and manufacturing of ergonomic solutions for all work environments. Using Danish craftsmanship and the design concepts of simplicity and functionality, SiS Ergo products can be seamlessly integrated into any type of workspace.
As a company, we are constantly reinventing and improving upon our designs to provide the best solutions for the ever-changing economic, environmental and ergonomic needs of today's workplace. Research has shown the multiple health benefits of sit-to-stand desks. SiS Ergo is proud to work with companies that are mindful of the well-being of their employees while providing energized and flexible spaces for maximum productivity.


  • 2017
    Aura™ wins NeoCon Silver!
    Another win in the books for the latest addition to the SiS family of products. Meet Aura!
    Neocon 2017 Silver
  • 2016
    ErgoExpo Las Vegas
    New products hit the stage! Added to the collection are mesh wire management, acoustical panel mouns, and desktop accessories.
    ErgoExpo 2016 ErgoExpo 2016
  • 2016
    Introducing Fiellø™
    Fiellø™ Makes its debut at NeoCon 2016, tranforming the height adjustable table into the height adjustable workstation.
  • 2016
    Ellehaven™ wins Innovation Award at NeoCon 2016
    Ellehaven™ makes its debut as our first 4-leg table, powered by two lithium-ion batteries.
  • 2012
    The S Collection is complete, featuring both electric & non-electric height adjustable tables.
    S Collection
  • 2012
    M Series hits the market with a new design
    M Series
  • 2011
    NeoCon Gold
    A Wall mount S-Collection makes its debut at NeoCon and wins Best of NeoCon Gold
  • 2008
    The M Series Makes its Debut
    First known as Move, the M Collection was designed by Fjello-Jensen Imagineering in Denmark.
  • 2008
    The collection consisted of three versions; Spring, Electric, and Crank.
    Move Table
  • 2008
    Rufac is acquired by Midform Holding.
  • 2007
    SIS-USA is acquired by Midform Holding.
  • 2007
    Breakout Table
    Breakout Table
  • 2007
    Now known as the S Collection; featured here with privacy screens.
  • 2006
    First Seminar
    SIS-USA inc. adminsters first American Institute of Architects (AIA) approved seminar for Architectural credit: Learning Styles as a Dimension of Design.
  • 2005
    A K-12 educational product line featuring Move; the first crank height adjustable student desk, is introduced.
  • 2004
    SIS Education
    The US market is introduced to SIS Educational furniture.
  • 2003
    Londonderry, NH
    Corporate offices are moved to 55 Wentworth Ave. with a state-of-the-art manufacturing facility.
    SiS Ergo Corporate
  • 2002
    SiS Human Factor Technologies is renamed SIS-USA inc. - A more recognized company name as part of SiS Internation. Education and office furniture are combined under one name.
  • 2002
    A brand new concept of school furniture, primarily for 1st to 4th grade, is available in the market.
  • 1992
    Launching in the US
    Human Factor Technoloies is acquired by SiS international and creates SiS Human Factor Technologies, inc. for marketing its furniture line in the US.
  • 1991
    Fjello Jensen
    SiS International acquires Fjello-Jensen and expands its adjustable furniture offering from office tables to office workstations.
  • 1988
    Stem Table
    Stem Table
  • 1988
    The acquisition of Niels-Larsen allowed for the expansion into the Danish educational furniture market.
  • 1984
    Human Factor Technologies
    Human Factor Technologies is formed to market ergonomic office furniture produced by Fjello-Jensen in Denmark and Facit in Sweden.
  • 1980
    Printer Table
    Stem Table

SIS international a/s was founded in the year 1966. The initial product was an office chair, and during the first years, office trolleys were added to the product range. In 1978, it was decided to concentrate the efforts on computer tables.

  • 1970
    Stand Up
    The first height adjustable working desk was developed.
  • 1966
    The Start
    SiS International was established.