Using Our Experience to Engineer a Better Future

Bring your goals and projects to life on schedule and on budget, with an emphasis on quality and safety at every step of the journey.

At RETTEW, we’re leaders in delivering professional engineering consulting services and implementing effective strategies for your public or private projects across all sectors. We partner with you by taking time to fully understand your vision and business goals, which allows us to see the big picture, anticipate your needs, uncover potential challenges, and deliver innovative, efficient solutions.

We provide engineering consulting solutions to help you overcome challenges across a wide range of industries, including power and utilities, oil and gas, transportation, commercial development, water, and government. As the following projects demonstrate, our engineering consulting experts partner with you to reduce costs, ensure compliance, and improve efficiency.

Featured
Project

Advanced Health Care of Allentown

RETTEW served as the land development consultant for the award-winning Advanced Health Care of Allentown, a new short-term nursing and rehabilitation facility in Lower Macungie Township. The project supports Advanced Health Care’s mission of delivering specialized transitional medical care through thoughtfully planned, efficient, and compliant site design. The approximately 10-acre site required extensive due diligence and entitlement coordination prior to development. RETTEW’s civil engineering solutions were shaped by environmental conditions, access requirements, and long-term operational needs. RETTEW collaborated closely with the owner, architect, contractor, and…

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More Than Half a Century of Commitment to You

RETTEW was built on the principles of investing in people, producing better solutions, and using our experience and expertise to serve you better. This dedication has allowed us to expand into numerous industries and markets. We believe in collaboration, whether that’s among our engineering consultants, within our communities, or with our clients.

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Join Our Team

Join Our Team

Our collaborative teams are one of the reasons RETTEW is respected and trusted in the communities we serve. As a 100% employee-owned company, we are committed to our work and each other, all while helping our clients achieve their goals.

If you’re ready to make a difference, check out our open positions.

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Find Your Solution with RETTEW

Consistently ranked by Engineering News-Record as a Top 500 Design Firm, RETTEW has a big-picture understanding yet retains an eye for the smallest detail of every project. You can place your full confidence in our diverse team of engineers, environmental consultants, designers, surveyors, and other skilled specialists for demanding engineering consulting projects of all sizes in any market. Partner with us for your engineering consulting needs on your next commercial project.

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RETTEW NEWS & INSIGHTS

  • Lofts at Stehli Silk Mill Named a 2026 Top Project

    March 24, 2026

    Central Penn Business Journal (CPBJ) has selected the Lofts at Stehli Silk Mill to receive a 2026 Top Projects Award. RETTEW collaborated with CAM Construction on the nomination for this award. Top Projects is an awards program that honors the best building and construction projects in Central Pennsylvania over a 12-month span – from January…

  • Focus on Funding – March 2026

    March 17, 2026

    Don’t leave funding to luck! Our March lineup focuses on opportunities for projects that protect natural resources, improve water quality, expand outdoor access, and improve how people move through their communities.

  • RETTEW Secures Millions in Funding for Clients Across Pennsylvania

    February 24, 2026

    RETTEW is proud to announce a series of recent funding awards that will help municipalities and organizations across Pennsylvania advance critical water, sewer, transportation, park, and open space projects. Our team provided application development and strategic support for each of the projects listed below, helping clients secure more than $5.3 million in competitive funding. $1.25…

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