Advancing Resilience


The Services team provides on-site system commissioning, maintenance, and training for customers worldwide. We have extensive experience working at "Instrument Required" buildings, nuclear and other power plants, dams, bridges, USArray stations, and restricted government sites.

systems and services

Our service group has the finest technicians in the business who are well trained in installation and maintenance procedures of current and legacy equipment. They work professionally and discreetly with on-site personnel or carry out their task with little or no supervision. Due to the experience of our technicians and their caring commitment we can provide on-site support for long obsolete instruments extending their useful life far beyond specifications.

Contact Ms. Yarelis Chavez, our Customer Service Representative, with your particular needs for further information and quotation.


  • 200+ Buildings Under Maintenance Contract

  • 20+ Nuclear Power Plants Under Maintenance Contract

  • 30+ Other Facilities Under Maintenance Contract

 Open Systems & Services | 222 Vista Ave., Pasadena, CA 91107, USA | 626.795.2220 |