Polygraph Service in Portland, OR | Portland Oregon Polygraph Service

James L Scharmota Licensed
17665 Se Mcloughlin Blvd (503) 513-5339

Stone Calf Polygraphs
(503) 830-2569

Derry L York & Assoc
1130 Sw Morrison St # 220 (503) 241-8168

K L Simmons Lie Detection Labs
8305 Se Monterey Ave # 220f (503) 654-7327