Drivers

OPC Server, OPC Client, OPC Drivers, Modbus, Real-Time Drivers at MatrikonOPC.com
MatrikonOPC is the worlds largest supplier of industrial connectivity, with over 400 available process drivers, including OPC client and server, and other real time opc drivers for Honeywell, PI, PHD, AspenTech, Bailey, Emerson, Gensym, Wonderware, Fix, Foxboro, Intellution, ABB, and other plant systems.
https://www.matrikonopc.com/
BSQUARE Corporation Home
Computers, Programming, Drivers - BSQUARE. Tools to build device drivers for Microsoft Windows operating systems.
https://www.bsquare.com/
Offers design, implementation and testing custom Windows filesystem and device drivers.
At Kernel Drivers we know Windows. We architect, implement and test device drivers for a wide range of functionality including: File System and File System Filters, Storage Device Class and Filters, Network FIlters and NDIS, USB and 1394 Drivers, 64 Bit Driver Conversion, And more...Whether you require a day or a year of consulting time, we can help you to get your project up and running. Relying on years of experience in the Windows kernel, we can assist your engineering team to make the right architectural choices now.
https://www.kerneldrivers.com/
Sybera
Computers, Programming, Drivers - Sybera. Toolkits, custom development, and training for Windows kernel driver development.
https://sybera.com/
NT Kernel Resources Web pages
Computers, Programming, Drivers - NT Kernel Resources. Windows Packet Filter Kit for developing filtering/modifying communication applications.
https://www.ntkernel.com/