Exhibit 3.43

State of Delaware

Secretary of State

Division of Corporations

Delivered 11:04 AM 10/04/2010

FILED 10:58 AM 10/04/2010

SRV 100963732 - 4294303 FILE

CERTIFICATE OF AMENDMENT

TO

CERTIFICATE OF FORMATION

OF

QUICKSILVER GAS SERVICES OPERATING LLC

The undersigned, an Authorized Person of Quicksilver Gas Services Operating LLC, a Delaware limited liability company (the “Company”), does hereby submit the following Certificate of Amendment to the Certificate of Formation of the Company, effective as of October 4^th, 2010:

ARTICLE I

The name of the Company is Quicksilver Gas Services Operating LLC.

ARTICLE II

Article One of the Company’s Certificate of Formation is hereby deleted and amended to read in its entirety as follows:

“ARTICLE ONE

The name of the limited liability company is Crestwood Gas Services Operating LLC.”

IN WITNESS WHEREOF, the undersigned has executed this certificate effective as of the date set forth above.

CRESTWOOD GAS SERVICES OPERATING LLC
	By:	Crestwood Midstream Partners LP, its sole member
		By:	Crestwood Gas Services GP LLC, its general partner
		By:
			Name:	William G. Manias
			Title:	Chief Financial Officer and Secretary