1. Helix Environmental 1 Elizabeth Pl, Dayton, OH 45417 Coordinate: 39.74787,-84.19923 Phone: (937) 226-0650
2. Periogenius 7525 Paragon Rd #751852, Dayton, OH 45475 Coordinate: 39.6371,-84.2205 Phone: (937) 609-5033