List of NTRIP casters and RTK service providers active in North America:
| Country | Provider | Service name | Price | Description | Website |
|---|
| Global | International GNSS service | IGS | Free | | link |
| Global | RTK2GO | Community | Free | | link |
| Global | UNAVCO | | Free | | link |
| Global | Hexagon (Novatel) | SmartNet | Paid | | link |
| Global | Trimble | VRSnow | Paid | | link |
| Global | Topcon | TopNet | Paid | | link |
| Canada | Rx Networks | Location.io | Paid | | link |
| United States | National Geodetic Service | – | | | link |
| United States | Integrity aggroup | DigiFarm | Paid | | link |
| United States | Point One Nav | Polaris | Paid | | link |
| Arizona | Spider Business center | | Free | | link |
| California | SOPAC | | Free | | link |
| Berkeley | Bard | Free | | link |
| Colorado | Mesa County | | Free | | link |
| Indiana | Indiana DoT | | Free | | link |
| Kentucky | KTC | | Free | | link |
| Massachusets | MASSCORS | | Free | | link |
| Michigan | MDOT | | Free | | link |
| Minnesota | MnCORS | | Free | | link |
| Mississippi | GCGC | | Free | | link |
| Missouri | MODOT | Modot CORS | Free | | link |
| New York | NYDOT | | Free | | link |
| Oregon | ODOT | | Free | | link |
| Vermont | VAT | | Free | | link |
| Washingtion | WSRN | | Paid | | link |
| CWU | PANGA | Free | | link |
| West Virginia | WVDOT | | Free | | link |
| Wisconsin | WDOT | | Free | | link |
Rinex data only: