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, an engineering firm, 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, acting as your trusted engineering consultant, 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 project.

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RETTEW NEWS & INSIGHTS

  • How Data Centers Are Rewriting the Rules for Electrical Infrastructure

    August 11, 2026

    The electric grid was already under pressure long before data centers emerged as a major demand driver. What we’re seeing now, across the utility and infrastructure projects RETTEW supports in this region, is a demand curve that has fundamentally changed the equation. Data centers are just one form of that digital infrastructure, alongside cloud computing…

  • Focus on Funding – August 2026

    August 11, 2026

    The best fair exhibitors know success starts long before judging day. The same is true for grant funding. A competitive application begins with thoughtful planning, a clear project vision, and understanding the factors reviewers will evaluate.

  • RETTEW Named One of Pennsylvania’s Greatest Places to Intern

    August 09, 2026

    RETTEW has been named one of the 2026 Greatest Places to Intern in PA by the Pennsylvania Chamber of Business and Industry, recognizing our firm’s commitment to providing meaningful internship experiences that prepare students for successful careers. The award was presented during a National Intern Day luncheon and press conference at the Pennsylvania Capitol in…

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