Diablo Engineering Group is a Civil Engineering company that was founded as a California corporation in 2014 by Jennifer Harmon, PE and Garrett Gritz, PE.  Jennifer and Garrett collectively have over 50 years of experience and have been collaboratively working side-by-side together for more than 20 years. This solid experience and foundational partnership results in each client receiving the quality, stability and commitment of a well-established firm, along with the agility, enthusiasm and creativity of a vibrant new firm.  Services provided are primarily associated with planning and design of public transportation infrastructure improvements, with a special emphasis on delivering expert project management and program management services to public agencies throughout Alameda and Contra Costa counties. Jennifer and Garrett have vast transportation planning and final design experience, including extensive FHWA and Caltrans processing, complete street designs, and supporting the preparation of environmental compliance documents.  Foundational to the services provided by Diablo Engineering Group is delivering clients with exceptional personal service and completing each assignment within the established schedule.

On September 26, 2014, Jennifer Harmon, PE and Garrett Gritz, PE concluded their respective 15 year and 26 year careers at RBF Consulting.  This organization provided Jennifer and Garrett with the mentorship, support, resources, commitment and friendships to expand a successful business model from Southern California into the San Francisco Bay Area.  Jennifer and Garrett are thankful to the RBF Consulting leadership team that established this Northern California expansion challenge, and then fulfilled the commitment of supporting the expansion goals.  Through this experience, Jennifer and Garrett have developed life-long professional relationships with key clients and strategic partners that have been foundational to the establishment and long-term growth of Diablo Engineering Group.

Diablo Engineering Group is an organization that highly values win-win partnerships between clients, strategic partners, community members and employees.  Jennifer and Garrett understand that effective partnerships, combined with technical and personal communication across a project team, create the necessary synergy and teamwork that are needed to complete successful projects.  In addition, Jennifer and Garrett are also strong supporters of encouraging commitment, accountability and enthusiasm across the entire team.  These goals become reality when team leaders and support teams love what they do.

Diablo Engineering Group is a California corporation that is fully certified as a Woman Business Enterprise (WBE).  The WBE designation satisfies Disadvantage Business Enterprise (DBE) goals on many public contracts. In addition, Diablo Engineering Group is certified as a small local emerging business with City of Oakland, Alameda County, Alameda CTC, and the Port of Oakland.