1. Landmark Surveying 1472 Duffield Rd, Flushing, MI 48433 Coordinate: 43.02828,-83.90995 Phone: (810) 659-1053
2. Inland Seas Engineering Inc 1449 E Pierson Rd Ste A1, Flushing, MI 48433 Coordinate: 43.061,-83.8195 Phone: (231) 933-4041