1. Tongass Substance Screening Services
3612 Tongass Ave, Ketchikan, AK 99901
Coordinate: 55.35615,-131.69315
Phone: (907) 247-1432
2. Tongass Substance Screening
120 Carlanna Lake Rd, Ketchikan, AK 99901
Coordinate: 55.35408,-131.68861
Phone: (907) 247-1431