Exhibit 21.1

Name of Significant Subsidiary	State or Other Jurisdiction of Incorporation or Organization
Ferguson Enterprises, LLC	Virginia
Doing Business As Name:
Aaron & Co.
Aaron and Company
A-H Distribution
A-H Logistics
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
Air Cold
Air Cold Supply
Airefco
Alaska Pipe & Supply
AMS Steam Products
Andrews Lighting & Hardware Gallery
BAC Appliance Center
Bath + Beyond
Beautyware Plumbing Supply Co.
Blackman Plumbing Supply
Brock-McVey
Bruce
Bruce-Rogers Company
Bruce Supply
Cal-Steam
Canyon Pipe & Supply
Capital Distributing
CFP, a Ferguson enterprise
City Lights Design Showroom
Cline Contract Sales
Crow Company
Custom Lighting & Hardware
D2 Land & Water Resource
Davies Water
Dealernet
Duhig Stainless

1

Equarius Waterworks, Meter & Automation Group

Factory Direct Appliance

Ferguson Bath & Kitchen Gallery

Ferguson Bath, Kitchen & Lighting Gallery

Ferguson Climate Makers

Ferguson Direct

Ferguson Enterprises

Ferguson Enterprises, Inc. of Virginia

Ferguson Enterprises of Montana, LLC

Ferguson Enterprises of Virginia, LLC

Ferguson Facilities Supply

Ferguson Full Service Supply

Ferguson FSS

Ferguson Heating & Cooling

Ferguson Hospitality Sales

Ferguson HVAC

Ferguson HVAC – EastWest Air

Ferguson HVAC – Lyon Conklin

Ferguson Industrial

Ferguson Industrial Plastics Division

Ferguson Industrial Plastics and Pump Division

Ferguson Integrated Services

Ferguson International

Ferguson Leasing Company

Ferguson Parts & Packaging

Ferguson Valve & Automation

Ferguson Waterworks

Ferguson Waterworks - Municipal Pipe

Ferguson Waterworks - Red Hed

Ferguson Waterworks EPPCO

Ferguson Waterworks International

Ferguson.com

Ferguson Xpressnet

Founders Kitchen and Bath

FNW

Frishkorn

Galleria Bath & Kitchen Showplace

Gotham

Gotham Pipe

Gotham Pipe Supply

Grand Junction Pipe

Guarino Distributing

Henry Kitchen & Bath

2

Henry Plumbing Kitchen & Bath Galleries

Henry Plumbing Supply

High Country Plumbing Supply

Hot Water Products

Hot Water Sales and Associates

Industrial Hub of the Carolinas

Innovative Soil Solutions

J&G Products, a Ferguson enterprise

J.D. Daddario Company

Joseph G. Pollard Co.

Karl’s Appliances

Kennedy Culvert & Supply

Kennedy Water Works

Kitchen Art

Kitchen Art of South Florida

Lighting and Appliance

Lighting Design Center

Lighting Plus

Lighting Unlimited

Lincoln Products

Linwood Pipe and Supply

Louisiana Utilities Supply Company

LUSCO

Lyon Conklin

Lyon Conklin & Co., Inc.

Lyon Conklin, a Ferguson Enterprise

Maddux Supply Company

Matera Paper

Matera Paper Company

McFarland Supply

Meyer Appliance

MFP Design

Michigan Meter

Midwest Pipe & Supply, a Ferguson enterprise

Mission Valley Pipe

Mission Valley Pipe & Supply

Mississippi Utility Supply Co. (MUSCO)

Old Dominion Supply

Parnell Martin Companies

Peebles Supply Corporation

Pipelines

Pipelines of PA

Pipe Products

PL Sourcing, Inc.

Plumb Source

3

Plumbers Supply Company

Plumbers Supply Company of St. Louis

Plumbing Décor, a Wolseley Company

Plumbing Supply Now

Pollardwater

Powell Pipe & Supply Co.

Power Process Equipment

Professional's Bath Source

PV Sullivan Supply

Ramapo Wholesalers

Redlon & Johnson

Reese Kitchen, Bath & Lighting Gallery

Rencor Controls

Renwes Sales

Robertson Supply

S.W. Anderson

Schell Supply Corporation

SG Supply Co.

SOS Sales

Stevens Supply Corporation

Sunstate Meter & Supply

Tacoma Heavy Goods

Tarpon Wholesale Supplies

The Ar-Jay Center

The Davidson Group

The Kitchen Showcase

The Parnell Martin Companies

The Plumbing Source

The Stock Market

TPW Kitchen & Bath

Triton Environmental

Uncle Sam Piping Solutions

Wallwork

Wallwork Bros.

Warner Supply Corporation

Water Works Supply

Waterworks Industries

Webb Distributors

Westburne Supply

Western Air Supply

Westfield Lighting

Wolseley Financial Services

Wolseley Industrial Group

WPCC Forwarding

Wright Plumbing Supply

4

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

5