| AAC | Air Agency Certificate |
|---|---|
| ATC | Athletic Trainer Certified |
| BES | zlý duch, ďas, diabol, čert |
| CEM | Certified Energy Manager (skr.) |
| ĎAS | zlý duch, čert |
| ISO | certifikát kvality - uznaná norma v medzinárodnom styku |
| LAC | skr. suhvezdia Jašterica (Lacerta) |
| RAC | Regulatory Affairs Certification |