The neighborhood that Nabors Drilling USA covers is the Continental US. The contract drilling company, the US drilling arm of major drilling firm Nabors Industries, provides a range of drilling and related services, and is one of the largest contract drillers in the lower 48 states. Through strategic acquisitions and internal investments, the company has built up its operating fleet to more than 300 land drilling rigs. Nabors Drilling USA also provides well control equipment rental, equipment engineering, technical support, and other rig-related services. Its parent company maintains about 490 marketed and operational drilling rigs.