Dyno Nobel Inc.
Phone(403) 236-9160
Fax1 (800) 565-8375

Geosonics Inc.
Phone(800) 992-9395
Fax(724) 934-2999

Instantel Inc.
Phone(613) 592-4642
Fax(613) 592-4296

Nomis Seismographs
Phone(205) 592-2466
Fax(205) 592-2477

R.A. McClure Inc.
Phone(740) 363-6976
Fax(740) 362-3946

Vibra-Tech Inc.
Phone(866) 806-9676
Fax(570) 455-0626

White Industrial Seismology Inc.
Phone(417) 624-0164
Fax(417) 624-9416

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