Manufacturers and Components
National Bus Sales has the most diverse and wide-ranging parts departments in the country. There is no bus body or chassis supplier National does not carry. Please review the most prominent manufacturers listed below.
| Ameritrans | Freightliner Chassis | New Flyer |
| Arboc Mobility | Gillig | Nova |
| Blue Bird | Glaval | Optima |
| Braun | Goshen Coach | Orion |
| Champion | International | Prevost |
| Collins | International Chassis | Starcraft |
| Daimler | MCI | Supreme/Startrans |
| Diamond | Midbus/Collins | Thomas |
| Double K Trolley | Nabi | Turtle Top |
| El Dorardo National | | |
| Elkhart Coach | | |
National also carries all component manufacturers for any type of bus. Below is a sampling of the most prominent component manufacturers we stock.
| 3M Tape | Ezon Products | Rifled Air Conditioning |
| A&L Systems | Freedman Seating | Romeo Rim Bumpers |
| A&M Door Systems | Freightliner | Rosco Mirror Products |
| ACC Climate Control | Galls (Dynamed) | Safetec of America, Inc. |
| Alta Wiper Systems | Girardin Bus Parts | Safety Vision Camera Sys |
| American Seating | Goshen Coach | Sammons Preston |
| Amtram | Granning Air Suspensions | Silent Witness Camera Sys |
| Ancra | Inpower | Sonar Safety |
| Austin Electronics | Intermotive | Spartan Motors Chassis, Inc. |
| B&R Mirror Manufacturing | International | Specialty Manufacturing |
| Baader Brown | Intertek Seat Belts | Sportsworks |
| Beams Industries Seatbelts | Jasper Engines | Starcraft Bus |
| Bentech | Jomarr Fire Suspension | Sun Art Decals |
| Besi Manufacturing | KD Lamps | Sure-lok |
| Blue Bird | Lomar | Telma Retarder, Inc. |
| Bode Corporation | Lucerix Mirror Co-Metagal | Thermo King AC |
| Bostrom Seating | Main Fare Box | Thomas Bus Parts |
| Braun | Marathon Brakes | TransAir |
| Brown & Bigalow | Matrix Medical | Transign |
| Bus Vision | Maxon Lift Corporation | Transelectric |
| CE White | Mellish & Murray | Transpec |
| Carling Switches | Mercury Distributors | Transportation Seating |
| Carrier AC | Mirror Lite/Safety Cross | Triad Fabco |
| Caterpillar | Mor/Ryde Intl, Inc. | Turtle Top |
| Century Products | MVP Camera Systems | Twin Vision NA, Inc. |
| Certified Safety | Omega Air Conditioning | Unicovers Seat Covers |
| Collins Bus Corportation | On Spot | Universal Coach Parts (MCI) |
| CRS Electronics | Orion Bus Industries | USSC Seating |
| Cummins South, Inc. | Ortho Safe Systems, Inc. | Velvac Mirror Systems |
| Custom Radio | Penntex, Inc | Weldon Mfg. |
| Diamond Coach Corp | Phoenix Wheel Covers | Wexco Wipers |
| Doran Manufacturing | Pro Air Conditioning | Whelen Engineering |
| Double K, Inc. | Q Straint | Williams Detroit Diesel |
| Easilok MKII | Radio Engineering Ind | World Wide Vinyl |
| Excell Machine Company | Ricon Corporation | |