Z Trim Holdings, Inc. (OTC Markets: ZTHO – News), a bio-technology company providing value-added ingredients to a variety of industries, today announced that it has entered into a joint development agreement with Newpark Drilling Fluids LLC, a subsidiary of Newpark Resources, Inc. (NYSE:NR), to develop new, environmentally-friendly drilling fluids that incorporate Z Trim's proprietary industrial materials that could replace the likes of guar and xanthan gums in drilling applications.