Railroad Transportation Service Companies
| Lisle Train Station (Lisle, IL)
Primarily Serving: Naperville, IL - Wheaton, IL - Bolingbrook, IL - Aurora, IL |
| Locomotive Shop (Taylorsville, NC)
Primarily Serving: Gastonia, NC - Concord, NC - Charlotte, NC - Winston Salem, NC |
| Los Angeles County Mta (Los Angeles, CA)
Primarily Serving: Huntington Park, CA - Inglewood, CA - Glendale, CA - Monterey Park, CA |
| Louisiana & Delta Railroad (Schriever, LA)
Primarily Serving: Kenner, LA - Metairie, LA - New Orleans, LA - Baton Rouge, LA |
| Louisiana Southern (Minden, LA)
Primarily Serving: Bossier City, LA - Shreveport, LA - Jefferson, TX - Monroe, LA |
| Louisville & Indiana Railroad (Columbus, IN)
Primarily Serving: Bloomington, IN - Indianapolis, IN - Fishers, IN - Carmel, IN |
| M D & W Railway (International Fa, MN) |
| Mahoning Valley Railway Co (Youngstown, OH)
Primarily Serving: Canton, OH - Cuyahoga Falls, OH - Akron, OH - Mentor, OH |
| Mansfield Railroad Station (Mansfield, MA)
Primarily Serving: Taunton, MA - Brockton, MA - Pawtucket, RI - Providence, RI |
| Marc Commuter (Silver Spring, MD)
Primarily Serving: Bethesda, MD - Rockville, MD - Arlington, VA - Gaithersburg, MD |
| Maryland Delaware Railroad Co (Federalsburg, MD)
Primarily Serving: Dundalk, MD - Bowie, MD - Baltimore, MD - Towson, MD |
| Massachusetts Bay Trans (Boston, MA)
Primarily Serving: Cambridge, MA - Somerville, MA - Brookline, MA - Medford, MA |
| Meridian & Bigbee Railroad Llc (Meridian, MS)
Primarily Serving: Hattiesburg, MS - Tuscaloosa, AL - Jackson, MS - Mobile, AL |
| Metra (Cary, IL)
Primarily Serving: Palatine, IL - Hoffman Estates, IL - Elgin, IL - Schaumburg, IL |
| Metra-Metropolitan Rail (Park Ridge, IL)
Primarily Serving: Des Plaines, IL - Skokie, IL - Mount Prospect, IL - Evanston, IL |
| Metra-Metropolitan Rail (Bartlett, IL)
Primarily Serving: Elgin, IL - Hoffman Estates, IL - Schaumburg, IL - Wheaton, IL |
| Metra-Metropolitan Rail (Clarendon Hills, IL)
Primarily Serving: Wheaton, IL - Naperville, IL - Oak Park, IL - Cicero, IL |
| Metra-Metropolitan Rail (Winnetka, IL)
Primarily Serving: Skokie, IL - Evanston, IL - Des Plaines, IL - Mount Prospect, IL |
| Metra-Metropolitan Rail (Orland Park, IL)
Primarily Serving: Tinley Park, IL - Oak Lawn, IL - Bolingbrook, IL - Joliet, IL |
| Metra-Metropolitan Rail (Naperville, IL)
Primarily Serving: Bolingbrook, IL - Aurora, IL - Wheaton, IL - Joliet, IL |
| Metra-Metropolitan Rail (Mount Prospect, IL)
Primarily Serving: Des Plaines, IL - Arlington Heights, IL - Palatine, IL - Schaumburg, IL |
| Metra-Metropolitan Rail (Elgin, IL)
Primarily Serving: Hoffman Estates, IL - Schaumburg, IL - Palatine, IL - Wheaton, IL |
| Metra-Metropolitan Rail (Aurora, IL)
Primarily Serving: Naperville, IL - Bolingbrook, IL - Wheaton, IL - Joliet, IL |
| Metra-Metropolitan Rail (Elmhurst, IL)
Primarily Serving: Oak Park, IL - Wheaton, IL - Des Plaines, IL - Cicero, IL |
| Metra-Metropolitan Rail (Northbrook, IL)
Primarily Serving: Mount Prospect, IL - Des Plaines, IL - Skokie, IL - Arlington Heights, IL |
