1. Dietz Surveying 8119 Oakleigh Rd, Parkville, MD 21234 Coordinate: 39.38481,-76.55823 Phone: (410) 989-3067
2. Johnson Fire Protection 9200 Avondale Rd, Parkville, MD 21234 Coordinate: 39.38665,-76.52297 Phone: (410) 665-5919