John Rietveldt

Ramphastos Investments Management BV is an Independent Private Equity/Venture Capital firm founded in 1994 by Marcel Martinus Jacobus Johannes Boekhoorn. Ramphastos Investments Management BV is headquartered in Rhenen.

Aviation Glass & Technology BV develops and produces virtually unbreakable glass and mirrors. It specializes in the research, the development and the production of virtually unbreakable airplane glass and mirrors for the aircraft industry. The firm’s products include a range of crystal-clear aircraft lenses, mirrored glass finishes and many other applications. The company was founded in March 2012 and is headquartered in Voorthuizen, the Netherlands.

Innovations4Flooring NV develops flooring installation solutions for laminate, luxury vinyl tile, wood plastic composite and wooden flooring panels. Its flooring technologies, also called click systems, can be used with different materials including laminate, wood, vinyl and wood plastic composite. The company was founded in 2013 and is headquartered in Willemstad, the Netherlands.

i4F Licensing NV is a Belgian company that develops patented innovative flooring technologies to enhance the environments where people live, work, and play. i4F Licensing is based in Hamont-Achel, BE, and has subsidiaries in the Netherlands. The company has 100 licensees worldwide. The CEO of the company is John Rietveldt.

Doorwin BV manufactures and sells doors, windows and frames. It operates business through three divisions: wooden frames, plastic frames and doors. The company's products include kegro, northgo and tinga doors and windows. Doorwin was founded in 1988 and is headquartered in Groesbeek, the Netherlands.

Ideal Standard International BVBA manufactures bathroom furnishings, fixtures and shower enclosures for residential, commercial and institutional buildings. It offers ceramic sanitary ware, taps and showering systems, shower kits, and cabins and trays, as well as built-in water control and outlet solutions for showers, bathtubs and washbasins; technological platform and bathroom control systems; and furniture and accessories. The company is headquartered in Brussels, Belgium.