DRW ASSOCIATES ( DR. EDWARD J. WALTER & ASSOCIATES ) IS AN INSTANTEL DEALER WITH OVER 30 YEARS OF EXPERIENCE IN VIBRATION MONITORING, PROJECT CONSULTING AND SEISMOGRAPH SALES AND SUPPORT. DRW ASSOCIATE’S CLIENTS INCLUDE COMPANIES FROM CONSTRUCTION, MINING, MANUFACTURING, BLASTING, HIGH TECH, MEDICAL AND ENGINEERING INDUSTRIES. WE HAVE COMPLETED PROJECTS FOR AND PARTNERED WITH FEDERAL, STATE AND LOCAL GOVERNMENTS, AS WELL AS OVERSEAS ORGANIZATIONS.  WE SPECIALIZE IN SALES, RENTALS AND CONSULTING OF REMOTE MONITORING SEISMOGRAPH EQUIPMENT, SERVICE AND SUPPORT.