1. Insitu Research Instruments 15360 Durham Way E, Granger, IN 46530 Coordinate: 41.75215,-86.16559 Phone: (574) 273-3225
2. Olashuk Environmental Inc 50772 Elk Trl, Granger, IN 46530 Coordinate: 41.75711,-86.07706 Phone: (574) 273-8804