NPS Housing Online
| Environment | Housing Online | InterFinder | Comments |
| HOUTEST1 | Housing Online | InterFinder | Testing environment. |
| HOUTEST2 | Housing Online | N/A | Testing environment. |
| HOUTEST3 | Housing Online | N/A | Testing environment. |
| HOUTRN1 | Housing Online | N/A | Testing environment. |
| HOUTRN2 | Housing Online | N/A | Testing environment. |