Southwest Envirotx Partners LLC is a Texas and Oklahoma DOT vendor and supplier of innovative, cutting-edge, materials and technologies for highway/road construction, maintenance and pot hole repair.  We specialize in products which have a much smaller carbon footprint, are safer to use and perform better than traditional materials – more economically.  In addition to unique products used in initial construction, Southwest Envirotx Partners LLC provides a wide array of preventative and corrective maintenance materials to a variety of Industrial and Commercial Property Development, Mining and Oilfield Operations, and governmental entities, such as DOTs, Counties, Cities, etc., etc.


Waller County Asphalt Patch N Pave is an all Season pre-coated patching mixture “ASPPM” Grade IV and requires no tack coat and can be used on both asphalt and concrete surfaces. It can be utilized as a “surface mix” over newly compacted base materials as an alternative to Hot Mix Asphalt and performs in wet/cold conditions.


TrowelPave Asphalt – Speed Set is a plasticomposite, cold mix asphalt patching repair product. The patented technology is commonly used for parking lot and street repairs that require limited downtime for vehicle traffic. Ideal for repairing alligator cracks, building free-form access ramps, and filling shallow depressions.


Aquaphalt is the first premixed, permanent patch that can be laid directly from its container—no repeat repairs and overhead costs are required. No need to mobilize large crews and equipment, simply pour into the area to be repaired, leveled with a rake or trowel, sprinkled with water and compacted with a hand-tamper or roller.

About Envirotx

We provide products, and technical services, covering the full spectrum of building and maintaining the working platforms, which support all travel surfaces, up through the final driving, walking, and performing surfaces. More specifically, we address issues related to sub-grade and base construction and maintenance, asphalt and concrete pavement construction, pro-active preventative maintenance, reactive corrective maintenance, real-time, professional grade, roadway surveys to collect road quality data to monitor road degradation over time – enabling proactive vs. reactive road maintenance, and Technical Training Services.