Looking for a pipeline OQ company who cares about your success? Look no further. PSR can provide pressure testing OQ certifications in accordance with API 1161 recommended practices. From Midland, TX to Cushing, OK or anywhere in the USA, we're here to serve. **Pressure Testing**   - Pressure Test: Nonliquid Medium - MAOP Less Than 100 PSI - Pressure Test: Nonliquid Medium - MAOP Greater Than or Equal to 100 PSI - Pressure Test: Liquid Medium - Leak Test at Operating Pressure *Ready to up your regulatory compliance, training, workforce development, or quality? [Visit our website](http://psrok.com), [view our Trunkline portfolio](https://trunkline.com/en/psrok), call 918-497-9053, or [send us an email](mailto:hello@psrok.com) for more information! We’d love to hear from you.*