Experience chipping with power, strength and reliability. Experience ProGrind Systems! ProGrind Systems builds and manufactures chippers mounted on excavators for chipping trees, brush and stumps, experience what its like to chip and mulch with power, strength and reliability all built into one machine. There are many companies putting some serious marketing muscle behind their stump grinder machine solutions these days, but when it comes down to brute features, very few are able to compete with Progrind Systems. The company has been working on a variety of options to make the process of stump removal, clearing, and municipal projects run more smoothly and efficiently. They have relied heavily on tactical design and created something a range of solutions ideally suited for large scale projects.