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Exhibit 21.1

GRAPHIC


List of Subsidiaries



Rollins Inc

           
 

Orkin, Inc.

  Delaware        
           

Orkin Systems, Inc

  Delaware        
           

Orkin International, Inc.

  Delaware        
       

PCO Holdings, Inc

  Delaware     50 %
           

Orkin S.A de C.V.

  Mexico        
           

Orkin Expansion, Inc.

  Delaware        
       

PCO Holdings, Inc,

  Delaware     50 %
 

Rollins Continental, Inc.

  New York        
           

Rollins—Western Real Estate Holding LLC

  Delaware        
 

Western Industries North, Inc.

  Delaware        
 

Western Industries South, Inc

  Delaware        
 

Orkin-IFC Properties LLC

  Delaware        
 

HomeTeam Pest Defense, Inc.

  Delaware        
 

IFC Company Holdings, Inc.

  Kansas        
           

The Industrial Fumigant Company

  Illinois        
           

IFC Properties LLC

  Kansas        
           

International Food Consultants LLC

  Kansas     40 %
 

Crane Acquisitions, Inc.

  Delaware        
   

PCO Holdings, Inc.

  Delaware        
     

Kinro Investments, Inc.

  Delaware     75 %
     

615345 NB, Inc.

  New Brunswick        
           

Orkin Canada Limited Partnership

  Ontario     1 %
     

3094488 Nova Scotia Company ULC

  Nova Scotia        
         

Kinro Investments, Inc.

  Delaware     25 %
         

Orkin Canada Limited Partnership

  Ontario     99 %
         

Orkin Canada Limited Partnership

           
             

PCO Services Corporation

  Nova Scotia        
               

PCO Real Estate Holdings

  Ontario        
               

PEI Pest Control, Inc.

  Prince Edward Island        



QuickLinks

List of Subsidiaries