Contract office: +7 3412 501 545
Sales and shipment office: +7 3412 636 463
Technical (warranty) service department: +7 3412 500 984
Chief Designer, Space Communication Systems: +7 3412 501 505
Chief Designer, Space Telemetry Systems: +7 3412 501 501
Chief Designer, Digital Communication Networks: +7 3412 723 710
Chief Designer, Space Telemetry Systems and On-Board Computers: +7 3412 500 991

Director: +7 3412 638 127
Contract and sales office: +7 3412 426 522; 658 371; 645 764; vlasov@irz.ru
Shipment office: +7 3412 638 129
Chief designer of railway automatics: +7 3412 501 031
Chies designer of special purpose equipment: +7 3412 501 245
Technical department (warranty) service: +7 3412 664 402; servis@irz.ru
Test center: +7 3412 658 193

Chief designer of on-board equipment of test-and-measuring systems: +7 3412 430 147
Chief designer of navigation and communication systems: +7 3412 682 659
Fax: +7 (3412) 722 579
Email: svcomp@irz.ru

Service desk: 8 800 100 63 93
Sales office: +7 3412 658 305, 658 059, 500 626
Chief designer: +7 3412 500 353
Fax: +7 3412 636 585

Director: +7 3412 501 570
Chief engineer: +7 3412 501 570
Contract department: +7 3412 727 337
Surface mounting: +7 3412 645 799, 500 192, 500 045
Fax: +7 3412 658 105
Email: foton@irz.ru

Reception: +7 3412 727 100
Sales and marketing department: +7 3412 431 113, 487 875
Testing center: +7 3412 572 214, 722 742
Purchasing office: +7 3412 500 920
Email: infotest@irz.ru

Deputy Commerce Director: +7 3412 500 884
Chief engineer: +7 3412 500 160
Engineering department: +7 3412 682 028
Fax: +7 3412 728 528 
Email: rincos@irz.ru