Corrugated Box Manufacturers
| Packaging Services Inc (Connellsville, PA) |
| Packaging Store (North Hollywood, CA) |
| Packaging Store (Braintree, MA) |
| Packaging Store (Cockeysville, MD) |
| Packaging Unlimited (Lincolnton, NC) |
| Packaging Warehouse (Kalamazoo, MI) |
| Packinging Services (Dallas, TX) |
| Packit Container (Boonville, IN) |
| Padco Packaging Development (Copiague, NY) |
| Pak Mail Ctr (Jackson, MI) |
| Pak Mail Ctr (Kenton, OH) |
| Pak West Paper & Packaging (Santa Ana, CA) |
| Palmer Packaging Inc (Addison, IL) |
| Paragon Packaging (Mansfield, TX)
Contract Manufacturer |
| Parcel Store (Woodbridge, VA) |
| Pax Corrugated Products Inc (Lebanon, OH) |
| Peachtree Packaging (Lawrenceville, GA) |
| Performance Paperboard Inc (Ridgeland, MS) |
| Performance Sheets (La Puente, CA) |
| Perry Packaging Corp (Maynard, MA) |
| Piedmont Cases Inc (Thomasville, NC) |
| Plymouth Packaging Corp (Battle Creek, MI) |
| Portland Shipping & Packaging (South Portland, ME) |
| Postman Plus (Phoenixville, PA) |
| Pratt Industries (Raleigh, NC) |
