dirt work, fencing, ranch roads, dozer work, hay for sale, dirt for sale, horses for sale Mark Heintz Fencing has been serving Montgomery County and the surrounding area for the past 27 years. We find satisfaction in doing quality work that you can be proud of. We specialize in barbed wire, field, and game fencing. We can accommodate custom fences, and we also build western style cedar entryways and round pens.