| 01dB GmbH | Weinbergstraße 9, D-04838 Eilenburg, Germany |
| Akustik Technologie Göttingen | Bunsenstraße 9c, D-37073 Göttingen, Germany |
| Alara-Lukagro bv | Huijgensweg 3, 2964 LL Groot Ammers, Netherlands |
| BASWA Acoustic AG | Marmorweg 10, CH-6283 Baldegg, Switzerland |
| Berleburger Schaumstoffwerk GmbH | Am Hilgenacker 24, D-57319 Bad Berleburg, Germany |
| Braunstein + Berndt GmbH | Etzwiesenberg 15, D-71522 Backnang, Germany |
| Brüel & Kjaer bv | Postbus 42, 3900 AK Veenendaal, Netherlands |
| CA Software & Systems | Beckumer Straße 34 , D-59229 Ahlen, Germany |
| DataKustik GmbH | Gewerbering 5, D-86926 Greifenberg, Germany |
| deBAKOM GmbH | Bergstraße 36, D-51519 Odenthal, Germany |
| ESI Group | Woodward Ave 36800 Ste 200, 48304 MI Bloomfield Hills, USA |
| Free Field Technologies, Axis Parc LLN | Rue Emile Francqui 1, B-1435 Mont-Saint-Guibert, Belgium |
| HEAD acoustics GmbH | Ebertstraße 30 a, D-52134 Herzogenrath, Germany |
| Industrial Acoustics Company GmbH | Sohlweg 17, D-41372 Niederkrüchten, Germany |
| Knauf AMF GmbH Co KG | Elsenthal 15, D-94481 Grafenau, Germany |
| Knowles Acoustics | York Road , RH15 9TT Burgess Hill, United Kingdom |
| LMS International | Interleuvenlaan 68, B-3001 Leuven, Belgium |
| Max Frank GmbH & Co. KG | Mitterweg 1, D-94339 Leiblfing, Germany |
| Merford Noisecontrol bv | Edisonweg 30, 4207 HG Gorinchem, Netherlands |
| Microflown Technologies bv | Postbus 300, 6900 AH Zevenaar, Netherlands |
| Microtech Gefell GmbH | Georg-Neumann-Platz , D-07926 Gefell, Germany |
| Müller-BBM Vibroakustik Systeme GmbH | Robert-Koch-Straße 13, D-82152 Planegg, Germany |
| Norsonic-Tippkemper GmbH | Zum Kreuzweg 12, D-59302 Oelde, Germany |
| Odeon A/S | Diplomvej Bldg 381, DK-2800 Kgs. Lyngby, Denmark |
| Psia-Consult GmbH | Lastenstraße 38/1, A-1230 Wenen, Austria |
| RION Co. Ltd. | Schaepmanlaan 66, 4623 XZ Bergen op Zoom, Netherlands |
| Saint-Gobain Ecophon bv | Parallelweg 17, 4878 AH Etten-Leur, Netherlands |
| Silentium Ltd | Bergmanstr. 2, 76703 Rehovet, Israel |
| SINUS Messtechnik GmbH | Föpplstraße 13 , D-04347 Leipzig, Germany |
| Softnoise GmbH | Wilhelm-Brand-Straße 7, D-44141 Dortmund, Germany |
| Sonogamma bvba, Heverlee Ambassade | Postbus 49 , B-3001 Leuven, Belgium |
| SPEKTRA Schwingungstechnik GmbH | Gostritzer Straße 61-63, D-01217 Dresden, Germany |
| TEAMPROJECTS bv | Proostwetering 50, 3543 AH Utrecht, Netherlands |
| Tech 5 bv | Nijverheidsstraat 66, 3371 XE Hardinxveld-Diessendam, Netherlands |
| TNO Science and Industry bv | Stieltjesweg 1, 2628 CK Delft, Netherlands |
| Wölfel Meßsysteme Software GmbH + Co. KG | Max-Planck-Straße 15, D-87204 Höchberg, Germany |
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