As a premier service company, Alliance Calibrations Group, LLC (ACG) is interested in serving your labs with Annual Preventive Maintenance, Qualification, Calibration, and Repair services for your analytical instrumentation. What Distinguishes Us in the Industry 1. All documentation is cGMP and maintained according to ISO 9000 guidelines. 2. The personal care and attention of the ACG engineers; and the excellent response time for repairs and troubleshooting. 3. Fair, competitive pricing for industry leading service. 4. Continual OEM training certifications for our engineers. 5. Six days of operational service.