Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information H J Oldenkamp Co ← View details 4850 Coolidge Highway, Royal Oak, MI 48073 +1 586-756-0600