| FREA A/S | Denmark | 24 pcs. low-pressure diffusers |
| FREA A/S | Denmark | 8 pcs. low-pressure diffusers |
| AkvaGroup | Denmark | 12 pcs. low-pressure diffusers with increased water-flow |
| Water Proved | Germany | 8 pcs. low-pressure diffusers with airlift |
| Skade Dambrug | Denmark | 2 pcs. low-pressure diffusers with increased water-flow |
| Remedium | Estland | 14 pcs. low-pressure diffusers with airlift |
| Farm. Janovice | Slovenia | 6 pcs. low-pressure diffusers with increased water-flow |
| Bakkafrost | Faroe Islands | 4 pcs. low-pressure diffusers with increased water-flow |
| Aquanord | France | 1 pcs. low-pressure diffuser with airlift |
| Cord-Wilhelm Rengstorf | Germany | 3 pcs. diffusers for fluid-bed bio-filter |
| Binderup Mølle Dambrug | Denmark | 7 pcs. diffusers for fluid-bed bio-filter |
| Binderup Mølle Dambrug | Denmark | 8 pcs. low-pressure diffusers with airlift |
| Aquahouse | Denmark | 18 pcs. low-pressure diffusers with increased water-flow |
| Sociedad Comerciel Nilque Ltda. | Chile | 16 pcs. low-pressure diffusers with increased water-flow |
| OÜ Irvali | Estonia | 4 pcs. low-pressure diffusers with airlift |
| OÜ Irvali | Estonia | 4 pcs. low-pressure diffusers with increased water-flow |
| Aquahouse | Denmark | 2 pcs. diffusers for fluid-bed bio-filter |
| Nomatek | Faroe Islands | 9 pcs. low-pressure diffusers with increased water-flow |
| Nomatek | Faroe Islands | 6 pcs. diffusers for fluid-bed bio-filter |
| Teknologisk Instritut | Denmark | 2 pcs. low-pressure diffusers with increased water-flow |
| Vester Isen Dambrug | Denmark | 7 pcs. low-pressure diffusers with increased water-flow |
| S.M.K., a.s. - Rybarstvi | Czech Republic | 1 pcs. low-pressure diffuser with increased water-flow |
| Skade Dambrug | Denmark | 6 pcs. low-pressure diffusers with increased water-flow |
| Lerkenfeld Dambrug | Denmark | 18 pcs. low-pressure diffusers with increased water-flow |
| Lerkenfeld Dambrug | Denmark | 7 pcs. diffusers for fluid-bed bio-filter |
| Adler Fishfarm | Russia | 4 pcs. low-pressure diffusers with increased water-flow |
