Payment Options If you have a question regarding your invoice, please call 507-894-4100. Check Payments Checks can be made payable to:A1 Precision PumpingPlease mail payment to:A1 Precision Pumping7575 Butterfield Valley Rd.Hokah, MN 5591 Venmo Payments We are now accepting Venmo payments. Please search for our business name, A1 Precision Pumping. A1 Precision Pumping Scan QR Code using your Venmo App!