Document

Exhibit 21.1

SUBSIDIARIES OF SITEONE LANDSCAPE SUPPLY, INC.

As of the date of this filing, SiteOne Landscape Supply, Inc. has the following subsidiaries:


Entity Name			Jurisdiction of Formation
SiteOne Landscape Supply Midco, Inc.			Delaware
SiteOne Landscape Supply Bidco, Inc.			Delaware
SiteOne Landscape Supply Holding, LLC			Delaware
SiteOne Landscape Supply, LLC			Delaware
SiteOne Services, LLC			Delaware
SiteOne Landscape Supply, Ltd.			Ontario, Canada
LESCO, Inc.			Ohio
Green Resource, LLC			North Carolina
GR4, LLC			North Carolina
Hydro-Scape Products, Inc.			California
Bissett Equipment Corp.			New York
American Builders Supply, Inc.			California
ABS Logistics LLC			Nevada
MasonryClub, Inc.			California
Canoga Masonry Supply, Inc.			California
Atlantic Irrigation Specialties, Inc.			New York
Atlantic Irrigation South, LLC			North Carolina
Atlantic Irrigation of Canada Inc.			Ontario, Canada
Sprinklersupplystore.com LLC (50% owned)			Delaware
Auto-Rain Supply, Inc.			Washington
LandscapeXpress, Inc.			Delaware
LandscapeXpress, Inc.			Massachusetts
Koppco, Inc.			Missouri
Kirkwood Material Supply, Inc.			Missouri
The Dirt Doctors, LLC			New Hampshire
Zaren Leasing, LLC			New Hampshire
Modern Builders Supply, Inc.			California
Timberwall Landscape & Masonry Products, Inc			Minnesota
Rodvold Enterprises, Inc.			California
J K Enterprise, Inc.			Virginia
Culpeper Recycling Hauling LLC			Virginia
Culpeper Recycling Transport LLC			Virginia
Gateway Home & Garden Center, LLC			Virginia
JK Enterprise Landscape Supply, Limited Liability Company			Virginia
Madera Farm Transport, LLC			Virginia


Entity Name			Jurisdiction of Formation
Saunders LS, LLC			Virginia
Tilden Farm Nursery, LLC			Maryland
A&A Stepping Stone Manufacturing, Inc.			California
Whittlesey Landscape Supplies and Recycling, Inc.			Texas
Pioneer Landscape Centers, Inc.			Delaware
Grand Materials and Supply, LLC			Arizona
Pioneer Sand Company, LLC			Colorado
Pioneer Landscaping Materials, LLC			Arizona
Pioneer Decorative Stone Co., LLC			Arizona
Pioneer Trucking, L.L.C.			Arizona
Pioneer GX LLC			Delaware
Devil Mountain Wholesale Nursery, LLC (75% owned)			California
Devil Mountain Tree Company, LLC 1			California
Landscape Plant Source LLC 1			California
MPC FED 2024 Energy Fund IV, LLC (99.99% owned)			Delaware

1 Wholly owned subsidiary of Devil Mountain Wholesale Nursery, LLC