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Trusted solutions for engineering and construction

SBA / DBE certified woman-owned firm with 30+ years of expertise, providing innovative management, staffing, and technology solutions.

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OLH

at a glance

5

offices

80

employees

SBA Woman-Owned
Small Business DBE Firm

Overwhelmed by increasing project demands?

We understand the obstacles to your success.

Regulatory Hurdles

Complying with federal, state, and local regulations can drain time and resources.

Resource Limitations

Sourcing skilled professionals in today’s competitive market is more challenging than ever.

Technological Complexity

Adopting new project management tools can be both costly and overwhelming.

Meet OLH

Expert guidance for every step of your project.

At OLH, we deliver expert-driven solutions tailored to your project needs. As a DBE-certified, woman-owned firm with 30+ years of experience, we provide innovative project management, staffing, and technology services. From regulatory compliance to resource planning and technology integration, OLH keeps your projects on schedule, within budget, and aligned with the highest industry standards.

Get to know us

With passion, integrity, and dedication, we guide you every step of the way.

"The OLH schedule team has done a great job providing schedule reviews. Management is very responsive and follow through is excellent. Staff has been very helpful in providing new ideas and going the extra mile. Excellent work."

Bruce Wells

South Carolina Department of Transportation

"The OLH schedule team has done a great job providing schedule reviews. Management is very responsive and follow through is excellent. Staff has been very helpful in providing new ideas and going the extra mile. Excellent work."

Elham Farzam

Infrastructure Consulting & Engineering

"Patrick O’Neal has been a key Earthwork and Drainage inspector on my team for three years. His reliability, expertise, and mentorship on the I-26 Widening project have been invaluable, ensuring smooth operations and strong teamwork."

Brian King

HDR Inc.

"Chris Byrd has been instrumental in this complex project, far beyond DBE matters. His organization, quick response, and impressive memory make him an invaluable team member, ensuring efficiency and seamless communication."

Sarah Gaffney

South Carolina Department of Transportation

"Chris Byrd’s dedication and attention to detail on the Port Access Road project have been outstanding. His strong work ethic and organizational skills make complex compliance issues seem effortless, ensuring smooth project execution."

Gary S. Linn

South Carolina Department of Transportation

"OLH inspectors provide accurate, timely information and communicate effectively with SCDOT staff. Their commitment to efficiency ensures smooth project execution. We appreciate their partnership and look forward to continued collaboration."

Lyle Davis

South Carolina Department of Transportation

Contact us

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