HR Green Welcomes Tempe Arizona-Based Firm YSMA

March 13, 2024

Green Companies, Inc. (parent company of the HR Green family of engineering firms) has acquired Y.S. Mantri and Associates, LLC (YSMA), a Tempe-based traffic, transportation, and telecommunications engineering firm. This exciting development provides clients from both organizations access to an enhanced resource depth and broader expertise.

Yogesh Mantri founded YSMA in 2005, and he has strategically grown the firm to serve public and private clients throughout Arizona with ITS, traffic, safety, traffic studies, roadway engineering, and telecommunications services. Project teams take a holistic project delivery approach and consider not only engineering requirements but also life cycle costs, operational needs, public needs, and technological advancements.

Arizona was identified as a strategic growth region for HR Green, and this merger of talent and resources allows the organization to expand its geographic footprint and provide a broader range of services to Arizona clients with the same personal level of service.

“We are excited to welcome YSMA and its employees into the HR Green organization,” said HR Green’s CEO, Jason Poppen. “This alignment of firms and resources builds upon our Transportation and Broadband teams and launches our presence in Arizona – a strategic market for HR Green’s growth. Yogesh and his team will continue to advance Arizona infrastructure projects with expanded resources and personal client service.”

YSMA’s approach to serving clients: We plan, engineer, help build, and manage roadway and telecommunications infrastructure projects to improve the lives of people; closely aligns with HR Green’s mission:  Building Communities and Improving Lives. 

“We are thrilled to join HR Green,” says Yogesh Mantri, Principal of YSMA. “This strategic partnership is a commitment to excellence as it provides access to broader resources and benefits for our employees. It enables us to offer a broader range of services and deliver more complex projects to our clients.”

Yogesh joins HR Green’s organization as a Regional Director for Arizona, providing his local knowledge and continuing to lead the team in the current Tempe office location.

About HR Green

Founded in 1913, the HR Green Family of Companies includes HR Green, Inc.; HR Green Pacific, Inc.; HR Green Development, LLC; HR Green Development TX, LLC; HR Green Fiber and Broadband, LLC; HR Green California, Inc.; and Y.S. Mantri and Associates, LLC. HR Green has offices nationwide, providing engineering, technical, and management solutions that build communities and improve lives in: Broadband, Construction, Environmental, Geospatial, Governmental Services, Land Development, Planning, Transportation, and Water. For more information, visit

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