Comtek Services
Snmp system management agents for OpenVMS, os/400 and VOS.

MG-SOFT Corporation
SNMP and other Network management software (MIB browser, MIB compiler, Visual MIB builder, Net Inspector, SNMP master agent, Monet LAN analyzer) and SNMP development tools (WinSNMP SDK, WinMIB SDK, SNMP EasyAgent SDK). Evaluation version is available for download.

Objective Networks
Advanced engineering in networks and web-cooperation. Supplies software solutions for communication management, inter-networking, networked applications and businesses.

SimpleSoft - Simplifying Testing and Simulation
Specializes in innovative tools that greatly simplify the development, testing, demonstration and support of networking and network management products.

SNMP Network Management
Network Management - Castle Rock SNMPc Enterprise Edition. Low cost NT based SNMP network manager. Free 30 day eval download available.

SNMP Research International
SNMP Research International, Inc., a leading vendor of SNMP technology to the Original Equipment Manufacturer (OEM) and developer community.

SNMP Training, SNMP MIB and Agent Development
Chateau Systems offers on-site SNMP Seminars, and consulting services for SNMP MIB design and SNMP Agent development.