| 1 | NAS | Northeast Aviation Services Ltd. | | GB | AVCODES |
| 2 | NAS | Nasair Air Service | IATA: UE, Callsign: Nasairways, IATA Prefix: 770, | ER | AVCODES |
| 3 | NAS | Nasair | IATA: UE | | ICAO1 |
| 4 | NASA | NORTH AMERICAN SHIPPING | | | SCAC3 |
| 5 | NASA | NORTH AMERICAN SHIPPING AGENCIES IN | | | SCAC4 |
| 6 | NASA | | | USA | TRAFFIC |
| 7 | NASB | NASH, B B | | | SCAC3 |
| 8 | NASB | NEW ACCORD SHIPPING INC | | | SCAC4 |
| 9 | NASC | NORDAMERIK | | | SCAC4 |
| 10 | NASD | NATIONAL ARCHERY SUPPLY INC | | | SCAC4 |
| 11 | NASE | NASSAR EXPRESS | | | SCAC3 |
| 12 | NASF | NASH FUELS TRANSPORT INC | | | SCAC4 |
| 13 | NASG | NATIONAL SHIPPING AGENCY CORPORATIO | | | SCAC3 |
| 14 | NASH | NASHUA MOTOR EXPRESS, INC | | | SCAC3 |
| 15 | NASH | NASHUA MOTOR EXPRESS, INC | | | SCAC4 |
| 16 | NASI | NEW ADVANCE SHIPPING INC | | | SCAC4 |
| 17 | NASL | NORTH & SOUTH LINES INCORPORATED | | | SCAC3 |
| 18 | NASN | NASON'S DELIVERY, INC | | | SCAC3 |
| 19 | NASP | NASI, INC | | | SCAC3 |
| 20 | NASP | NAUTICA SHIPHOLDING LTD | | | SCAC4 |
| 21 | NASQ | NEATNESS AUTO SALES | | | SCAC4 |
| 22 | NASR | NASCAR | | | SCAC4 |
| 23 | NASS | NASS TRUCK LINES INC | | | SCAC3 |
| 24 | NAST | NAVISTAR S A PANAMA | | | SCAC4 |
| 25 | NASU | NASSAU LEASING CORPORATION | | | SCAC3 |
| 26 | NASU | NASSAU LEASING CORPORATION | | | SCAC4 |
| 27 | NASW | NASSAU WORLD WIDE MOVERS INC | | | SCAC3 |
| 28 | NASX | NASA RAILROAD | | | PWRC |
| 29 | NASX | NASA Railroad | | | RSRV |
| 30 | NASZ | NASSAU LEASING CORPORATION | | | SCAC3 |
