Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information Conoco-Calhoun Oil Co ← View details 113 South 14th Street, Fort Calhoun, NE 68023 +1 402-468-5711