Business Details
27 Years
experience
Trusted Civil Engineering Services in Nassau County, NY
Founded in 1999, CSM Engineering has established itself as a trusted multi-disciplined professional engineering firm serving Long Island and the greater New York City Metropolitan Area. Our expertise spans civil engineering, water/wastewater infrastructure, and transportation projects, supported by a team of licensed engineers, NICET-certified inspectors, and construction specialists. Certified as a Minority-Owned, Women-Owned, and Disadvantaged Business Enterprise by New York State, we prioritize collaboration, technical excellence, and community engagement. Over two decades, we have delivered critical infrastructure projects for government agencies, municipalities, and prime engineering consultants, earning a reputation for reliability and innovation. Our staffs diverse experience in construction management, inspection, and design ensures projects meet rigorous standards while addressing unique client needs.By maintaining strong partnerships with industry leaders and public agencies, we consistently deliver complex projects on time and within budget. Our commitment to quality is reflected in long-term client relationships and a track record of successful municipal infrastructure improvements. As a leader in the engineering field, we emphasize continuous professional development and adherence to ethical standards. Our leadership team brings decades of experience in managing large-scale projects, from wastewater treatment plants to transportation corridors. Through strategic planning and hands-on project execution, CSM Engineering remains dedicated to advancing infrastructure resilience and sustainability in the communities we serve.
Services
Civil Engineering
Water/Wastewater Engineering
Transportation Projects
Construction Inspection
Resident Engineering Inspection
Stormwater Management
Sewer Installation
Roadway Improvements
Bridge Rehabilitation
Site Safety Compliance
Details
- Year established: 1999
Highlights and features
- We have over 25 years of experience in civil engineering and infrastructure projects.
- Our team includes NICET-certified construction inspectors and licensed professional engineers.
- Certified MBE/WBE/DBE firm with a proven track record in municipal projects.
- Specialized expertise in water/wastewater systems and transportation infrastructure.
- Long-standing partnerships with NYC agencies and top engineering firms.
Associations and certifications
- Minority-Owned Business Enterprise (MBE)
- Women-Owned Business Enterprise (WBE)
- Disadvantaged Business Enterprise (DBE)
Services
Civil Engineering
CSM Engineering provides comprehensive civil engineering services for municipal and transportation projects. Our team specializes in design, construction management, and inspection for roadways, bridges, and public infrastructure. With decades of experience supporting NYC agencies, we ensure compliance with technical standards while addressing community needs through innovative solutions.
Water/Wastewater Engineering
We deliver engineering inspection and management services for water treatment plants, wastewater systems, and stormwater infrastructure. Our expertise includes biological nutrient removal upgrades, pumping station improvements, and resiliency projects. With long-term involvement in facilities like the Croton Water Filtration Plant, we ensure operational efficiency and regulatory compliance for critical water systems.
Transportation Projects
CSM supports transportation infrastructure through construction inspection, traffic management, and design improvements. Our work includes highway expansions, bridge rehabilitation, and urban roadway upgrades. By partnering with NYSDOT and MTA, we address mobility challenges while maintaining safety and minimizing community disruption during project execution.
Construction Inspection
Our NICET-certified inspectors provide comprehensive construction oversight for civil and infrastructure projects. Services include material testing, compliance verification, and safety monitoring. With proven expertise in wastewater plants and transportation corridors, we ensure adherence to design specifications and regulatory requirements throughout project lifecycles.
Resident Engineering Inspection
We deploy experienced resident engineers to manage day-to-day construction activities and coordinate stakeholders. This service ensures alignment with project goals through real-time problem-solving and documentation. Our teams local knowledge and technical proficiency have supported major NYC infrastructure projects, maintaining quality and schedule integrity.
People
Carolyn Shah Moehringer
President
Founder and President of CSM Engineering, Carolyn Shah Moehringer leads strategic planning and ensures compliance with industry standards. With a 25+ year career in civil engineering, she has received multiple awards for professional excellence and community leadership.
Hiara P. Guevara
Managing Director
Managing Director Hiara Guevara oversees daily operations and human resources at CSM Engineering. With 20+ years in engineering management, she implements policies to enhance organizational effectiveness and holds certifications in project management and HR practices.
Carlo A. Casoria
Consultant
Carlo Casoria, a licensed Professional Engineer with 40+ years of experience, specializes in construction inspection and contract administration. His career spans roles with NYCDEP, NYSDOT, and major infrastructure projects, ensuring technical and regulatory compliance.
Ralph Csogi
Consultant
Ralph Csogi provides expert engineering consultation with a focus on transportation projects. As a former project manager for large-scale bridge and highway initiatives, he brings deep technical knowledge and leadership experience to CSMs complex infrastructure assignments.
Questions
What engineering services does CSM Engineering offer?
CSM provides civil engineering, water/wastewater infrastructure, transportation project support, construction inspection, and resident engineering inspection services for public and private sector clients.
Is CSM Engineering certified as a minority-owned business?
Yes, CSM is certified as a Minority-Owned Business Enterprise (MBE), Women-Owned Business Enterprise (WBE), and Disadvantaged Business Enterprise (DBE) in New York State.
What geographic areas does CSM Engineering serve?
CSM primarily serves Long Island and the New York City Metropolitan Area, working with municipal agencies and engineering firms across the region.
What notable infrastructure projects has CSM worked on?
CSM has contributed to major projects including the Croton Water Filtration Plant, Van Wyck Expressway improvements, Newtown Creek wastewater facilities, and Brooklyn-Queens bridge rehabilitations.
