Helmerich & Payne, Inc. engages in the contract drilling of oil and gas wells. It provides drilling rigs, equipments, personnel, and camps on a contract basis to explore for and develop oil and gas from onshore areas and fixed platforms, tension-leg platforms, and spars in offshore areas. The company conducts land drilling operations primarily in Oklahoma, California, Texas, Wyoming, Colorado, Louisiana, Pennsylvania, Ohio, Utah, Arkansas, New Mexico, Montana, North Dakota, and West Virginia; offshore drilling operations in the Gulf of Mexico, California, Trinidad, and Equatorial Guinea; and international land drilling operations in Ecuador, Colombia, Argentina, Tunisia, Bahrain, and the United Arab Emirates. As of September 30, 2012, it had a fleet of 282 land rigs and 9 offshore platform rigs in the United States; 9 land rigs in Argentina; 7 land rigs in Colombia; 5 land rigs in Ecuador; 2 land rigs in Tunisia; 4 land rigs in Bahrain; and 2 land rigs in the United Arab Emirates. The company is also involved in the ownership, development, and operation of commercial real estate; and research and development of rotary steerable technology. Its real estate investments comprise a shopping center containing approximately 441,000 leasable square feet; multi-tenant industrial warehouse properties with approximately 1,000,000 leasable square feet; and approximately 210 acres of undeveloped real estate. Helmerich & Payne, Inc. was founded in 1920 and is headquartered in Tulsa, Oklahoma.