Washington
| Company | Category | Area | Address | Web | Contact person | |
| DESIGN SYSTEMS INC | Mfg Food Products Machinery | Washington | 7649 S 180TH ST, KENT, King, Washington, 98032-1048, USA | - | - | - |
| DESIGN SYSTEMS UNLIMITED INC | Subdivider/developer | Washington | PO BOX 1471, PUYALLUP, Pierce, Washington, 98371-0210, USA | - | - | Larry Scheurer |