Exhibit 22.1

Subsidiaries of the Registrant

Name of Subsidiary	Jurisdiction of Organization
Specialty Building Products, LLC	Delaware
Specialty Building Products Intermediate Holdings, LP	Delaware
Specialty Building Products Intermediate II, LLC	Delaware
Specialty Building Products Holdings, LLC	Delaware
SBP Finance Corp.	Delaware
Noll Holdings, Inc.	Delaware
Kirby Holdings, LLC	Delaware
US Lumber Group, LLC	Delaware
Dallas Wholesale Distribution, LLC	Delaware
Moulure Alexandria Moulding Inc.	Ontario
AlexDirect Inc.	Canadian Federal
National Service Solutions Inc.	Ontario
Royal Woodworking Co. Limited	Ontario
Reeb Millwork Corporation of New York, LLC	Delaware
REEB Millwork II, LLC	New Jersey
R and K Logistics, LLC	Pennsylvania
REEB Millwork of Maryland, LLC	Maryland
REEB Millwork of New England, LLC	Rhode Island
REEB Millwork – Southeast, LLC	North Carolina
USL Logistics, LLC	Ohio
Alexandria Moulding, Inc.	Washington
Alexandria NE, LLC	Pennsylvania
Alexandria MW, LLC	Indiana
AlexDirect LLC	Washington
National Service Solutions US, LLC	Washington