Air Transportation Service Companies
| Signature Supply Solutions (Saint Paul, MN)
Primarily Serving: Minneapolis, MN - Burnsville, MN - Eden Prairie, MN - Minnetonka, MN |
| Silver State (Sparks, NV)
Primarily Serving: Reno, NV - Carson City, NV - El Dorado, CA - Loomis, CA |
| Silverjet (New York, NY)
Primarily Serving: Union City, NJ - Jersey City, NJ - Brooklyn, NY - Bayonne, NJ |
| Simpson Flying Svc (Dell, AR)
Primarily Serving: Jonesboro, AR - Memphis, TN - Jackson, TN - North Little Rock, AR |
| Singapore Airlines (Washington, DC)
Primarily Serving: Arlington, VA - Bethesda, MD - Alexandria, VA - Silver Spring, MD |
| Singapore Airlines (San Francisco, CA)
Primarily Serving: Daly City, CA - South San Francisco, CA - Alameda, CA - Oakland, CA |
| Sky Courrier Express (Jamaica, NY)
Primarily Serving: Brooklyn, NY - Hempstead, NY - New York, NY - Bronx, NY |
| Sky High Enterprises (Blackstone, MA)
Primarily Serving: Pawtucket, RI - Providence, RI - Framingham, MA - Cranston, RI |
| Sky Kam Aerial (Noblesville, IN)
Primarily Serving: Fishers, IN - Carmel, IN - Anderson, IN - Indianapolis, IN |
| Sky Light Photographics (Sterling, CO)
Primarily Serving: Greeley, CO - Cheyenne, WY - Fort Collins, CO - Loveland, CO |
| Sky Queen Aerial Photography (Madison, GA)
Primarily Serving: Athens, GA - Dacula, GA - Macon, GA - Atlanta, GA |
| Sky Sailors Glider School (Westhampton Beac, NY) |
| Skybridge Private Air (Hermosa Beach, CA)
Primarily Serving: Redondo Beach, CA - Torrance, CA - Hawthorne, CA - Gardena, CA |
| Skycam Imaging Llc (Colorado Springs, CO)
Primarily Serving: Pueblo, CO - Aurora, CO - Denver, CO - Jefferson, CO |
| Sky-High Photography (Fernley, NV)
Primarily Serving: Sparks, NV - Reno, NV - Carson City, NV - El Dorado, CA |
| Skylink (Elk Grove Villag, IL) |
| Skytruck International Air (Jamaica, NY)
Primarily Serving: Brooklyn, NY - Hempstead, NY - New York, NY - Bronx, NY |
| Skytruck International Freight (Jamaica, NY)
Primarily Serving: Brooklyn, NY - Hempstead, NY - New York, NY - Bronx, NY |
| Skyview Aerial Photo Inc (San Clemente, CA)
Primarily Serving: Laguna Niguel, CA - Mission Viejo, CA - El Toro, CA - Trabuco Canyon, CA |
| Skyview Co (San Antonio, TX)
Primarily Serving: New Braunfels, TX - San Marcos, TX - Austin, TX - Cedar Park, TX |
| Skywest Airlines (Washington, UT)
Primarily Serving: Saint George, UT - North Las Vegas, NV - Henderson, NV - Las Vegas, NV |
| Skywest Airlines (Jackson, WY)
Primarily Serving: Idaho Falls, ID - Pocatello, ID - Ogden, UT - Layton, UT |
| Skywest Airlines (Butte, MT)
Primarily Serving: Missoula, MT - Great Falls, MT - Idaho Falls, ID - Billings, MT |
| Smith Aviation (Louisville, GA)
Primarily Serving: Augusta, GA - Macon, GA - Warner Robins, GA - Athens, GA |
| Soar Minden (Minden, NV)
Primarily Serving: Carson City, NV - Reno, NV - Sparks, NV - El Dorado, CA |
