Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information Custom Navigation Systems Inc ← View details 1 Lagoon Road # 5, Portsmouth, RI 02871 +1 401-683-6005