1. Sentinel Containment 374 County Road 1671, Knoxville, AR 72845 Coordinate: 35.38008,-93.35276 Phone: (479) 885-2020
2. Ceco Mfg 579 Jenkins Ferry Rd, Knoxville, AR 72845 Coordinate: 35.38325,-93.37752 Phone: (479) 885-3310