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Exhibit 21

SUBSIDIARIES OF THE REGISTRANT

Helmerich & Payne, Inc.
Subsidiaries of Helmerich & Payne, Inc.
	White Eagle Assurance Company (Incorporated in Vermont)
	Helmerich & Payne International Drilling Co. (Incorporated in Delaware)
	Subsidiaries of Helmerich & Payne International Drilling Co.
		Helmerich & Payne (Africa) Drilling Co. (Incorporated in Cayman Islands, British West Indies)
		Helmerich & Payne (Colombia) Drilling Co. (Incorporated in Oklahoma)
		Helmerich & Payne (Gabon) Drilling Co. (Incorporated in Cayman Islands, British West Indies)
		Helmerich & Payne (Argentina) Drilling Co. (Incorporated in Oklahoma)
		Helmerich & Payne (Boulder) Drilling Co. (Incorporated in Oklahoma)
			Subsidiary of Helmerich & Payne (Boulder) Drilling Co.
				Helmerich and Payne Mexico Drilling, S. De R.L. de C.V. (Incorporated in Mexico)
				Helmerich & Payne (Boulder) Drilling Co. Limitada (Limited Liability Company—Incorporated in Chile)
		Helmerich & Payne (Australia) Drilling Co. (Incorporated in Oklahoma)
		Helmerich & Payne del Ecuador, Inc. (Incorporated in Oklahoma)
		Helmerich & Payne de Venezuela, C.A. (Incorporated in Venezuela)
		Helmerich & Payne Rasco, Inc. (Incorporated in Oklahoma)
		H&P Finco (Incorporated in Cayman Islands, British West Indies)
		H&P Invest Ltd. (Incorporated in Cayman Islands, British West Indies)
		TerraVici Drilling Solutions, Inc. (Incorporated in Delaware)
		The Space Center, Inc. (Incorporated in Oklahoma)
		Helmerich & Payne Properties, Inc. (Incorporated in Oklahoma)
		Utica Square Shopping Center, Inc. (Incorporated in Oklahoma)
			Subsidiaries of Utica Square Shopping Center, Inc.
				Fishercorp, Inc. (Incorporated in Oklahoma)

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Exhibit 21