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TRANSACTIONS GZA ACQUIRES
ASSETS
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Added Siefert: “My team and I are thrilled to be joining GZA, a strong strategic and cultural fit. As we’ve been working alongside them on many iconic projects, we’ve come to share a mutual respect for each other’s attention to quality, technical excellence, and client satisfaction. We’ve appreciated learning how much GZA shares our core values of honesty, integrity and life-work balance. We are excited to be part of a growing organization which offers excellent professional development and ownership opportunities. Together we will realize our shared vision of being a diversified and enduring professional engineering firm improving North America’s infrastructure.” Some of the marquee projects Siefert Associates has worked on include the Mobile Launcher 2 associated with NASA’s Project Artemis, the raising of the Bayonne Bridge in New Jersey, the MBTA Green Line Extension near Boston, and major overhauls of the Brooklyn and George Washington Bridges in New York. ATWELL ACQUIRES MANHARD CONSULTING, ADVANCING NATIONWIDE CAPABILITIES IN THE LAND DEVELOPMENT AND ENERGY MARKETS Atwell, a leader in creating solutions for the built environment, announced the largest acquisition in its 120-year history: Manhard Consulting, a nearly 400-person, nationally recognized engineering and surveying firm headquartered in Lincolnshire, Illinois. The acquisition strengthens Atwell’s footprint in key regional markets, including Illinois, Colorado, and Texas, while expanding
into new markets, including Tennessee and Nevada. With this acquisition, Atwell’s headcount has grown to more than 2,100 employees. This strategic move enhances capabilities and expertise in all three of Atwell’s core markets – land development, power and energy, and hydrocarbons. Both firms were recently ranked by ENR among the 500 largest design firms in the U.S., with Atwell ranking at No. 70 and Manhard Consulting at No. 329. “Manhard is known for its innovation, technological excellence, and commitment to clients and employees, and we’re excited to welcome them into the Atwell Family,” stated Matthew Bissett, president at Atwell. “We see this acquisition as a catalyst for growth across both companies. We’ll both be able to expand our geographic presence, enhance our collective skill set, and deliver increased value to our clients.” With a history that dates back to 1972, Manhard has grown to hundreds of employees across 14 offices who are dedicated to a robust client base nationwide. The firm’s key services include engineering, surveying, project management, landscape architecture, land planning, water resource management, and construction management. Additionally, Manhard has received numerous accolades from entities such as ENR, the American Public Works Association, Crain’s Chicago Business, and NAIOP.
SIEFERT GZA GeoEnvironmental Inc., a leading multi- disciplinary firm providing geotechnical, environmental, ecological, water, and construction management services, has purchased assets of Siefert Associates, LLC, a national construction engineering firm with offices in Connecticut, New York, and New Jersey. Siefert Associates’ employees have become employees of GZA. ASSOCIATES, LLC Founded in 2000 by president and CEO Vincent Siefert, P.E., Siefert Associates has grown into a leading construction engineering firm in the New York City area and beyond, specializing in designing efficient and creative means and methods to execute large-scale construction projects. Siefert’s team holds professional engineering licenses in 25 states, the District of Columbia, and Ontario, both in GZA’s primary service territories of New England, New York, the Mid-Atlantic, and Great Lakes region as well as in California, Florida, Nevada, Texas, and Washington. GZA President and CEO Patrick Sheehan said: “Vincent and his team are premier construction engineering practitioners in Metropolitan New York and across the nation, and we’re pleased and honored to welcome them to the GZA team. Siefert Associates’ portfolio strongly complements GZA’s existing contractor services practice, giving us expanded construction engineering expertise and opportunities for our combined team to even better serve our contractor clients and the infrastructure market.”
platforms. If your proposal says one thing and your LinkedIn another, it creates confusion and dilutes your brand. Consistency not only reinforces your message, it strengthens credibility, builds recognition and shows your audience they can rely on you. Something to remember is that oversaturation is an issue, and AI cannot help you with original insights or unique points of view. Use AI to accelerate your thinking, not outsource your actual thinking. However, good content works while you’re not in the room. It keeps building relationships, showcasing your value and reminding people why they want to work with you. So yes, your handshake still matters. But don’t underestimate the power of that blog post you published last month or the employee spotlight you shared on LinkedIn. They might be the reason a client says, “I feel like I already know you.” Hannah Miller is a marketing and PR specialist at Pennoni. Connect with her on LinkedIn .
HANNAH MILLER, from page 7
tell themselves about your brand. Do you seem reliable? Are you transparent about your process? Are you proud of your people? When done right, marketing becomes a trust-building machine, laying the groundwork for everything from new business to top talent recruitment. WHERE TO START: ■ Be human. Even in technical industries, people connect with people. Content that highlights the faces behind your projects or tells the story of how a challenge was solved resonates more than specs alone. ■ Be helpful. Educational content (like FAQs, how-tos, and tips) is not only SEO gold but it also positions your team as trusted subject matter experts.
■ Be consistent. Messaging should align across all
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THE ZWEIG LETTER OCTOBER 13, 2025, ISSUE 1605
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