Tessie Theressa Casey seeks to appeal the district court’s order accepting the recommendation of the magistrate judge and granting summary judgment in favor of Plastic Omnium Auto Exterior LLC (“Plastic Omnium”) on Casey’s employment discrimination claims. This court may exercise jurisdiction only over final orders, 28 U.S.C. § 1291 (2006), and certain interlocutory and collateral orders, 28 U.S.C. § 1292 (2006); Fed.R.Civ.P. 54(b); Cohen v. Beneficial Indus. Loan Corp., 337 U.S. 541, 545-46, 69 S.Ct. 1221, 93 L.Ed. 1528 (1949). The order Casey seeks to appeal is neither a final order nor an appealable interlocutory or collateral order. Specifically, the district court’s order did not resolve all claims between the parties; Plastic Omnium’s counterclaims are still pending in the district court. Further, the district court did not expressly certify its order as final pursuant to Rule 54(b). See MCI Constructors, LLC v. City of Greensboro, 610 F.3d 849, 855 (4th Cir. 2010) (describing two-part showing required for Rule 54(b) certification). Accordingly, we dismiss the appeal for lack of jurisdiction. We dispense with oral argument because the facts and legal contentions are adequately presented in the materials before this court and argument would not aid the decisional process.

DISMISSED.