Business Details
25 Years
experience
Your Trusted Engineering Partner in Pittsburgh
Rhea Engineers Consultants is a 100% woman-owned professional corporation dedicated to delivering innovative and cost-effective engineering solutions since 2001. Our team prioritizes personal and professional growth, quality service to clients, and community betterment through volunteer efforts, donations, and wellness initiatives. With expertise in civil, environmental, geotechnical, and water resources engineering, we serve federal, commercial, and institutional clients nationwide.Our commitment to sustainability is reflected in energy conservation, waste reduction, and community partnerships. Headquartered in Pittsburgh, we combine decades of experience with cutting-edge technology to provide sustainable solutions, maintaining certifications like WBE, DBE, and SBA WOSB. Our mission-driven culture emphasizes responsiveness, resourcefulness, and reliability, ensuring client satisfaction through technical excellence and organizational management.
Services
Civil Site Development
Environmental Services
Geotechnical Engineering
Water Resources Engineering
Land Surveying
Cultural Resources Management
Geophysics
Stormwater Design
Field Monitoring
GIS Mapping
Details
- Year established: 2001
Highlights and features
- We are a 100% woman-owned firm with 20+ years of engineering expertise.
- Our team holds certifications including WBE, DBE, and SBA WOSB for federal projects.
- We combine real-world experience with the latest technology for sustainable solutions.
- 75% of our work comes from repeat clients due to consistent service quality.
- We prioritize environmental stewardship through energy conservation and waste reduction.
Associations and certifications
- Small Business Administration (SBA) Women-Owned Small Business (WOSB)
- Womens Business Enterprise National Council (WBENC) Womens Business Enterprise (WBE)
- Pennsylvania Unified Certification Program (PAUCP) Disadvantaged Business Enterprise (DBE/WBE)
- Virginia Unified Certification Program (VA UCP) Disadvantaged Business Enterprise (DBE)
- Metropolitan Washington Airports Authority (MWAA) Local Disadvantaged Business Enterprise (LDBE)
Services
Civil Site Development
Rhea's civil site development team assists with new construction or redevelopment projects through transportation planning, structural services, and environmental assessments. Our professionals provide permitting support, land planning, and ALTA surveys for commercial, industrial, and institutional clients. We combine technical expertise with regulatory knowledge to deliver cost-effective solutions for complex development challenges.
Environmental Services
Our environmental services include site characterization, remediation planning, wetland investigations, and regulatory compliance support. Rhea's experts help clients navigate permitting requirements, manage hazardous materials, and implement sustainable practices. We specialize in solving complex environmental challenges for transportation, energy, and government projects while ensuring compliance with federal and state regulations.
Geotechnical Engineering
Rhea's geotechnical engineering services focus on site evaluation, foundation design, and slope stability analysis. Our team conducts subsurface investigations and provides innovative solutions for retaining structures, dams, and pavement systems. We use advanced software and field techniques to assess soil conditions and develop designs that ensure structural integrity and long-term performance for infrastructure projects.
Water Resources Engineering
Our water resources engineering expertise spans stormwater management, dam maintenance, and municipal water infrastructure. Rhea designs sustainable drainage solutions, conducts hydrological analyses, and provides GIS mapping for water systems. We support public agencies and private clients with flood risk reduction, regulatory compliance, and infrastructure improvements for drinking water, wastewater, and stormwater management.
Land Surveying + Mapping
Rhea offers comprehensive land surveying and mapping services including boundary surveys, topographic mapping, and GIS integration. Our team uses state-of-the-art technology for construction stakeouts, as-built documentation, and subsurface utility locating. We provide accurate geospatial data for infrastructure projects, real estate transactions, and environmental assessments, ensuring precise data collection and analysis throughout project lifecycles.
People
Marcella G. Johnson
President
Marcella G. Johnson leads Rhea as President with decades of engineering experience. She emphasizes technical excellence and organizational management, guiding the firm's strategic direction while maintaining a commitment to sustainable solutions and client satisfaction.
Brad A McCalla
Vice President, Corporate H&S Officer
Brad A McCalla serves as Vice President and Corporate Health & Safety Officer, ensuring compliance with safety standards across projects. With extensive industry experience, he oversees risk management and implements best practices for field operations and employee well-being.
Mark E Scappe
Vice President
Mark E Scappe, Vice President, brings technical expertise to project management. He focuses on delivering innovative engineering solutions while mentoring staff and maintaining Rhea's commitment to quality service and community impact through infrastructure projects.
Questions
What engineering services does Rhea offer?
Rhea provides civil, environmental, geotechnical, water resources engineering, land surveying, cultural resources management, and geophysics services for public and private sector clients.
Is Rhea a certified woman-owned business?
Yes, Rhea is certified as a Womens Business Enterprise (WBE) and Disadvantaged Business Enterprise (DBE) through multiple state and federal programs.
What sustainability initiatives does Rhea implement?
Rhea reduces paper waste, recycles office materials, conserves energy, and supports environmental nonprofits like the Western Pennsylvania Conservancy through volunteer efforts.
What geographic areas does Rhea serve?
Rhea operates nationwide with headquarters in Pittsburgh, focusing on Pennsylvania, the Carolinas, Georgia, and Mid-Atlantic regions for major projects.
How does Rhea support community development?
Rhea invests in employee education through tuition reimbursement, sponsors scholarships for employees' children, and organizes volunteer initiatives like park cleanups and habitat restoration.
