Water Transportation Service Companies
| Packaging Authority (Largo, FL)
Primarily Serving: Clearwater, FL - Saint Petersburg, FL - Palm Harbor, FL - Tampa, FL |
| Packaging Store (Beltsville, MD)
Primarily Serving: Silver Spring, MD - Bowie, MD - Columbia, MD - Bethesda, MD |
| Pak & Send (Denver, CO)
Primarily Serving: Westminster, CO - Arvada, CO - Aurora, CO - Thornton, CO |
| Pak Mail (West Hartford, CT)
Primarily Serving: Hartford, CT - New Britain, CT - East Hartford, CT - Bristol, CT |
| Pak Mail (Columbus, OH)
Primarily Serving: Springfield, OH - Dayton, OH - Middletown, OH - Hamilton, OH |
| Pak Mail Ctr (Eugene, OR)
Primarily Serving: Springfield, OR - Corvallis, OR - Salem, OR - Bend, OR |
| Pak Mail Tech Ridge (Austin, TX)
Primarily Serving: Cedar Park, TX - Round Rock, TX - Georgetown, TX - San Marcos, TX |
| Palmetto Parcels Plus (Walterboro, SC)
Primarily Serving: North Charleston, SC - Charleston, SC - Mount Pleasant, SC - Savannah, GA |
| Parcel Etc (Silver Spring, MD)
Primarily Serving: Bethesda, MD - Rockville, MD - Arlington, VA - Gaithersburg, MD |
| Parcel Express (Blackfoot, ID)
Primarily Serving: Idaho Falls, ID - Pocatello, ID - Ogden, UT - Layton, UT |
| Parcel Plus (Fredericksburg, VA)
Primarily Serving: Burke, VA - Centreville, VA - Annandale, VA - Alexandria, VA |
| Parcel Plus (Alsip, IL)
Primarily Serving: Oak Lawn, IL - Orland Park, IL - Tinley Park, IL - Cicero, IL |
| Parcel Plus (Fairfax, VA)
Primarily Serving: Burke, VA - Annandale, VA - Centreville, VA - Reston, VA |
| Parker Towing Co Inc (Northport, AL)
Primarily Serving: Tuscaloosa, AL - Birmingham, AL - Decatur, AL - Tanner, AL |
| Peabody & Lane Corp (Charlestown, MA)
Primarily Serving: Boston, MA - Somerville, MA - Cambridge, MA - Medford, MA |
| Penn Maritime Inc (Staten Island, NY)
Primarily Serving: Bayonne, NJ - Elizabeth, NJ - Union, NJ - Newark, NJ |
| Perserverance Inc (Garden Grove, CA)
Primarily Serving: Westminster, CA - Fountain Valley, CA - Anaheim, CA - Santa Ana, CA |
| Pioneer Shipping Inc (New Brockton, AL)
Primarily Serving: Dothan, AL - Montgomery, AL - Miramar Beach, FL - Auburn, AL |
| Pkg's of Des Moines Inc (Clive, IA)
Primarily Serving: West Des Moines, IA - Des Moines, IA - Ames, IA - Waterloo, IA |
| Plymouth Garment Co (Plymouth, NC)
Primarily Serving: Greenville, NC - Rocky Mount, NC - Suffolk, VA - Chesapeake, VA |
| Polyone (La Porte, TX)
Primarily Serving: Baytown, TX - Pasadena, TX - League City, TX - Houston, TX |
| Positively Postal (Rathdrum, ID)
Primarily Serving: Spokane, WA - Pasco, WA - Missoula, MT - Kennewick, WA |
| Post N Box (Clint, TX)
Primarily Serving: El Paso, TX - Las Cruces, NM - Odessa, TX - Midland, TX |
| Postage Plus (Gainesville, TX)
Primarily Serving: Denton, TX - Frisco, TX - Lewisville, TX - McKinney, TX |
| Postal Annex (Draper, UT)
Primarily Serving: Sandy, UT - South Jordan, UT - West Jordan, UT - Orem, UT |
