TNO-FEL, having its office in Den Haag, Oude Waalsdorperweg 63 (2597 AK) (by its employees ir. A.W.P van Heijningen, H.J.M. Schot, J.A.A.J. Janssen).
In the course of the employment by the Delft University of Technology and the Tampere University of Technology the following persons have contributed to the Original Code with ideas and earlier, superseded versions of its components: ir. P. Stravers, ir. A. Verberne, ir. R. Bodenstaff, ir. R. Lamberts, ir. P. vd Arend, ir. T. Baan, ir. B.K. van Houte, ir. E.C. Abrahamse, dr. MSc. I. Karkowski, ir. I. Kang, ir. S. Roos, ir. I.J.G.M. Janssen, ir. A. Smit, ir. A. Bezemer, Msc. J. Heikkinen, ir. G. Tjia, MSc. V. Guzma.