Gym Building Virginia Foxcroft School
Metrorail Project Dulles Corridor Tysons Corner, VA
Trench Drain Repair Taxi Lane C Washington Dulles International Airport
Maintenance Building Virginia Foxcroft School
Asphalt Testing

Our 31 years experience

of serving the Mid-Atlantic region has taught us that past performance is a key element in developing a strong client base in a very competitive market.

Construction Inspections



field explorations, laboratory testing, code compliance & third party inspections, and foundation and site development recommendations.

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Code Compliance & Third Party Inspection


We provide

private Structural, Mechanical, Electrical, Plumbing (MEP), Fire Suppression , Elevator inspections and Alarm Protection as well as plan review in lieu of local Building Departments.

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Environmental Services


Such As

Phase I & II Environmental Site Assessment National Environmental Policy Act (NEPA) evaluations, Property Condition Assessments (PCAs), asbestos and mold surveys, and more!

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Geotechnical Services



the earthwork and foundation phases of a project. Our experience with soil conditions ensures the recommendation of proven solutions to any soil issue.
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Rox Engineering, Inc.

Rox Engineering, Inc. (REI) is a full-service engineering consulting firm with its corporate headquarters in Potomac Falls, Virginia, and a branch office in Manassas Park, Virginia. REI was founded in 1986 providing a full range of integrated engineering services which emphasize the highest standards of quality, reliability, safety, responsiveness, and cost-effectiveness. We take pride in meeting those standards by ensuring our engineering services satisfy budgetary and scheduling constraints.

The company offers a wide range of services, including construction Field Testing and Inspection, (Structural steel inspection, soils, concrete, and masonry), geotechnical engineering and drilling and environmental consulting.

REI has continued to diversify and adjust to meet the ever-changing needs of the construction market, and has the ability to produce all documentation electronically. The firm has been committed to an on-going quality assurance program since the formation of the company in 1986. This program is intended to be in accordance with the American Society for Testing and Materials (ASTM) E 329-77, American Association of State Highway and Transportation Officials (AASHTO) and Virginia Department of Transportation (VDOT) requirements.

Notable Clients

client1 client2 client3 client4 client5 client6 client7 client8 client9 dulles-corridor