Rainhart designs, manufactures, and distributes laboratory testing equipment for soil, concrete and asphalt, located in Austin Texas we specialize in laboratory equipment and supplies for materials testing industry and has been in operation for over 70 years. Since its inception in 1945 we have provided innovative tools and instruments to help make labs more efficient, productive and more profitable. In 2018 Rainhart was acquired by InstroTek. InstroTek was founded in 1997 with a vision to provide our industry with innovative product solutions and unmatched customer service. Since that time, we have delivered and continue to develop a variety of new products to the construction and asphalt markets. In addition, InstroTek has received numerous US and international patents on these instruments. These innovative solutions have established InstroTek as a leading instrumentation company in the construction and transportation industry, worldwide.