What We Do Semerra is a family owned, locally owned and operated Pressure and Pumping company. Our work extends all throughout Western Canada. We currently have over 20 years of pressure testing experience. Our rapidly growing pumper division is capable of providing any of your pumping or pressure needs. We believe the most crucial investment is our people and our clients as they build the foundation of our success and are the cornerstone of our business. Establishing honest relationships based on trust and integrity is our priority and focus. Are goal is to set the standard for excellence in service, going above and beyond industry expectations.