| Company | Category | Area | Address | Web | Contact person | |
| DELCOMER & DELTOR CORP | Importers | Texas | 16810 BARKER SPRINGS RD, HOUSTON, Harris, Texas, 77084-5094, USA | - | - | Guillermo De Los Cobos |
| DELCOMM INC | Whol Telecommunications | New York | 290 ELWOOD DAVIS RD STE 2, LIVERPOOL, Onondaga, New York, 13088-2100, USA | - | - | Mike Sage |
| DELCOMP SECURITY SYSTEMS | Fire Detection & Burglar Alarm | California | 1615 VERNA DR, NAPA, Napa, California, 94558-3248, USA | - | - | James Lehman |
