| Company | Category | Area | Address | Web | Contact person | |
| LDCIRCUITCOM | Network And Longdistance Provi | Illinois | 6167 HARTH CT, LISLE, Cook, Illinois, 60532-2812, USA | - | - | Jeffrey Klein |
| LDCLMCC | Labor Organizations | Illinois | 999 MCCLINTOCK DR, BURR RIDGE, Cook, Illinois, 60527-0825, USA | - | - | - |
| LDCM INC | Real Estate Developers | Texas | 2445 NORTH BLVD, HOUSTON, Harris, Texas, 77098-5105, USA | www.ldcm.com | - | Mark Klein |
