Praxis, full name Praxis Doe-Het-Zelf Center B.V. (Praxis Do-It-Yourself Centre B.V.) is a Dutch Hardware store-chain, headquartered in Diemen. The company started in 1978 in Venlo and as of 2009 it has 136 stores spread over the Netherlands of which 26 have an extended assortment, the so called "Megastores". Praxis employs about 5000 people. Praxis focusses on construction products and on decorative do-it-yourself products. It also supplies garden materials. It is known to the general public for its sponsoring of the RTL 4 television program Eigen Huis & Tuin.