Rank | Abbreviation | Meaning |
---|
***** | HHDC | Herringbone Half Double Crochet
| |
**** | HHDC | Harbor Hills Day Camp
| |
**** | HHDC | Hart House Debating Club
| |
**** | HHDC | Half Hour Data Collection
| |
*** | HHDC | Horizon Housing Development Company
| |
*** | HHDC | Heihe Hydropower Development Company
| |
*** | HHDC | Hip Hop Dance Club
| |
*** | HHDC | Hispanic Housing Development Corporation
| |
*** | HHDC | Half Hourly Data Collector
| |
** | HHDC | Huntsville Hockey Development Center
| |
** | HHDC | Ho'oulu Hawaiian Data Center
| |
** | HHDC | Headwaters Housing Development Corporation
| |
* | HHDC | Helping Hands Development Center
| |