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O’Neal Inc. specializes in designing, developing, and delivering engineering solutions for life—process and MEP engineering services for Advanced Technology Facilities. We serve highly regulated industries with complex engineering challenges in biotechnology, pharmaceuticals, food & beverages, medical devices, science & technology, and chemical process sectors.


Our clients tell us that we truly understand their needs and work collaboratively with their project team, which often includes other engineers, architects, construction managers, and builders. We are the perfect fit for larger projects that require a specialist for out-of-the-box design or front-end engineering, or for more modest projects that require comprehensive engineering and design services. Our team is particularly adept at designing renovations, upgrades and expansions of legacy facilities. Bringing true design expertise in biotech and chemical manufacturing processes, cGMP compliance, hygienic technology, cleanrooms, HVAC and central utility systems – our team has the industry knowledge, as well as the specialized expertise, to handle facility design from initial concept development through detailed design and construction administration.

O’Neal has cultivated a work environment where industry-leading professionals feed off the collective energy of the group. We accomplish this by partnering with top leaders in biotech, chemical, food and pharmaceutical industries to solve unprecedented challenges—from medical breakthroughs to the food we eat to reducing our carbon footprint.

O'Neal Allentown Office
7540 Windsor Drive, Suite 311
Allentown, PA 18195
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Phone: (610) 366-1744

O’Neal Headquarters
10 Falcon Crest Drive
Greenville, SC 29607
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Phone: (864) 298-2000