SAI Drive Solutions Call us at (281) 516-3130 or e-mail us at [email protected] for any of your VFD related needs! Located in Tomball Texas (north-west Houston), SAI Drives Solutions specialize in the design, manufacture and servicing of Variable Frequency Drives (VFD's). With over 30 years of VFD experience we have created a range of innovative VFD's that address the power & control requirements for even the most demanding and challenging industries and operating environments. Our latest VFD's include the XP Drive & Hazlo Drive which are custom designed for Hazardous Locations (HazLoc) and have achieved UL certification for Class I Div 1 and Class I Div 2 respectively. Our product line of VFD's covers low to medium voltage; 1HP up to 600HP packaged in NEMA 1, 3R, 4X or 7 enclosures. With a range of drives in-stock and same day shipping, we are able to provide a fast and trusted response to our customers needs, whether that's supplying equipment for new construction or having a replacement drive available to swap out a failed one.