Exhibit 21.1

Name of Significant Subsidiary	State or Other Jurisdiction of Incorporation or Organization
Ferguson Enterprises, LLC	Virginia
Doing Business As Name:
A P Supply Company
A. P. Supply Co.
ACF Environmental
Action Automation, a Wolseley Industrial Group company
Action Plumbing Supply
Action Supply Co.
Adirondack Piping Solutions
ADL
Alaska Pipe & Supply
AMS Steam Products
Andrews Lighting & Hardware Gallery
BAC Appliance Center
Bath + Beyond
Blackman Plumbing Supply
Brock-McVey
Bruce-Rogers Company
Cal-Steam
Canyon Pipe & Supply
Capital Distributing
CFP
City Lights Design Showroom
Cline Contract Sales
Custom Lighting & Hardware
D2 Land & Water Resource
Davies Water
Dealernet
Duhig Stainless
Equarius Waterworks, Meter & Automation Group
Factory Direct Appliance
Ferguson Bath & Kitchen Gallery
Ferguson Bath, Kitchen & Lighting Gallery
Ferguson Direct
Ferguson Enterprises of Virginia, LLC
Ferguson Facilities Supply (FEI)
Ferguson Heating & Cooling
Ferguson Hospitality Sales
Ferguson HVAC
Ferguson HVAC – Air Cold

1

Ferguson HVAC – EastWest Air

Ferguson HVAC – Lyon Conklin

Ferguson Industrial

Ferguson Integrated Services

Ferguson International

Ferguson Parts & Packaging

Ferguson Valve & Automation

Ferguson Waterworks

Ferguson Waterworks - Municipal Pipe

Ferguson Waterworks - Red Hed

Ferguson Waterworks EPPCO

Ferguson Waterworks International

Ferguson.com

Founders Kitchen and Bath

Galleria Bath & Kitchen Showplace

Grand Junction Pipe

Henry Kitchen & Bath

Henry Plumbing Kitchen & Bath Galleries

Henry Plumbing Supply

Hot Water Products

Hot Water Sales and Associates

Industrial Hub of the Carolinas

Innovative Soil Solutions

J&G Products

J.D. Daddario Company

Joseph G. Pollard Co.

Karl’s Appliances

Kitchen Art

Lighting and Appliance

Lighting Design Center

Lighting Plus

Lighting Unlimited

Lincoln Products

Linwood Pipe and Supply

Louisiana Utilities Supply Company

LUSCO

McFarland Supply

Meyer Appliance

Michigan Meter

Mission Valley Pipe

Mississippi Utility Supply Co. (MUSCO)

Monark

Old Dominion Supply

PL Sourcing

Plumb Source

2

Plumbers Supply Company
Plumbers Supply Company of St. Louis
Plumbing Décor
Pollardwater
Powell Pipe & Supply Co.
Professional's Bath Source
PV Sullivan Supply
Ramapo Wholesalers
Reese Kitchen, Bath & Lighting Gallery
Rencor Controls
Renwes Sales
Robertson Supply
S.W. Anderson
SG Supply Co.
SOS Sales
Sunstate Meter & Supply
Tarpon Wholesale Supplies
The Ar-Jay Center
The Kitchen Showcase
The Plumbing Source
The Stock Market
TPW Kitchen & Bath
Triton Environmental
Uncle Sam Piping Solutions
Wallwork
Waterworks Industries
Webb Distributors
Westfield Lighting
Wolseley Financial Services
Wolseley Industrial Group
WPCC Forwarding
Wright Plumbing Supply
Ferguson Finance (Switzerland) AG	Switzerland
Ferguson Group Holdco Limited	England and Wales
Ferguson Holdings Limited	Jersey
Ferguson Holdings (Switzerland) AG	Switzerland
Ferguson Swiss Holdings Limited	England and Wales
Ferguson Overseas Limited	England and Wales
Ferguson UK Holdings Limited	England and Wales
Ferguson U.S. Holdings, Inc.	Virginia

3