Nohau (link resides outside of ibm.com)
Nohau has a long history of helping customers within the systems and IT space to improve productivity and efficiency across their entire development lifecycle. Their two main focus areas are developer centric tooling and training in the embedded space with key industry solutions for requirements management, software quality and test, development, and debugging of embedded systems and model-driven development.

PMC (link resides outside of ibm.com)
PMConnex™ integration of project and requirements management information allows project managers to understand and optimize the impact of product scope changes on the time and cost to completion of product. Product managers can understand the limitations of resource availability in bringing their products to market and the impact of management budget and time to completion constraints.

Prolifics (link resides outside of ibm.com)
Prolifics, an IBM Premier Business Partner and leading SOA solution services organization, has taken advantage of their breadth of experience to create an extension to IBM Rational Software Architect, called AgileSOA Specification Plug-in. This plug-in builds upon the SoaML tooling and profile that are productized with Rational Software Architect V7.5.4 to enable users to build robust, well structured descriptions of service-oriented architectures. Prolifics' assets cover a number of activities through the entire development lifecycle and also provide views for different stakeholders. Companies can take advantage of Prolifics' SOA consulting and the capabilities of this Rational Software Architect V7.5.4 plug-in to design and build more effective software architecture.

Skyway (link resides outside of ibm.com)
Skyway Software, a leader in visual Java™ EE development for the Spring Framework, integrates their offering with Rational Software Architect V7.5.4 to provide a seamless, model-driven development environment from business and architecture modeling through detailed design, code generation, and deployment. High-level Rational Software Architect UML® models that capture your business services, data objects, and Web interfaces can be automatically transformed to the Skyway plug-in for generating business applications based on the Spring Framework enabling productivity and quality improvements.

Stoneworks Software Corporation (link resides outside of ibm.com)
The Ambassador® Delegate for Windchill® software from Stoneworks Software Corporation allows teams using PTC® Windchill to more easily view and work with requirements managed in IBM Rational® DOORS®.

Ambassador Delegate for Windchill supports access to and traceability throughout the product development team. As a result, you can be confident that your engineers are working to build the right products, and they immediately know when changes in requirements occur, reducing development cost and speeding time to market. Learn how Rational and Stoneworks bridge the requirements gap

Willert (link resides outside of ibm.com)
Willert has been a pioneer in software engineering since 1989 with the aim of making embedded software development as easy and safe as possible. Willert provides expertise across a wide variety of technologies, such as UML, SysML, OOP, MDD, requirement engineering, embedded and system modeling tools, and industry processes and standards, including V-Modell, IBM Rational Harmony®, EN61508, OSEK/VDX ®, AUTOSAR, MISRA, IEC50128, and IEC61131.

Wind River (link resides outside of ibm.com)
IBM Rational® is teaming with Wind River—the global leader in the embedded and mobile industries—to help companies address the challenges of embedded software development. Together, we provide clients a complete software lifecycle solutions with a focus on model driven multicore systems and software development, lifecycle quality management and collaborative development.Learn how IBM Rational and Wind River Systems can help you deliver innovative, high-quality products that effectively leverage the capability of the latest processor technology