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Your Trusted Partner for Engineering Solutions
CSI Engineering has been a trusted leader in mechanical, electrical, and plumbing (MEP) design since 1987. Our firm specializes in mission-critical infrastructure, delivering innovative engineering solutions for data centers, healthcare facilities, and government projects. With over 35 years of experience, we combine technical expertise with a commitment to client satisfaction, offering comprehensive services including design, commissioning, and staffing. Our team of registered professionals holds licenses across multiple states, ensuring compliance with industry standards. We prioritize value engineering and sustainability while maintaining a proven track record in complex, multi-phase projects.

Our strategic partnerships enhance our capabilities, allowing us to meet diverse client needs efficiently. Recognized as a small, minority-owned business, we serve federal, state, and local agencies with unwavering dedication to quality and reliability. Our integrated commissioning process guarantees operational excellence, minimizing downtime through rigorous testing and training. Clients consistently praise our professionalism, adaptability, and ability to deliver projects on time and within budget. As an industry pioneer, we continue to set benchmarks in mission-critical facility design and engineering innovation.
Services
Engineering Design Mission Critical Facilities Staffing Services Commissioning Mechanical Design Electrical Design Plumbing Design Security Systems Communications Design Sustainable Design
Details
  • Year established: 1987
Highlights and features
  • We have over 35 years of experience in mission-critical facility design.
  • Our team includes Professional Engineers licensed in 10+ states.
  • We pioneered the first Tier IV data center design in 1995.
  • We offer integrated commissioning processes verified by Level 5 protocols.
  • Our staffing services match professionals with specialized technical requirements.
Associations and certifications
  • Small, Minority-Owned Business
What people say
Extremely easy to work with Commitment to excellence Dedication to maintaining excellent customer relations Deliver quality workmanship on time Highly recommend based on success achieved
Services
Engineering Design
CSI Engineering provides comprehensive mechanical, electrical, and plumbing design services for mission-critical facilities. Our solutions ensure fault-tolerant infrastructure with concurrent maintainability. Clients benefit from 35+ years of experience in data centers, healthcare facilities, and government projects requiring Tier IV compliance and EPA-certified sustainability.
Mission Critical Facilities
Specialized engineering for 24/7 mission-critical environments including data centers and healthcare infrastructure. Services include growth modeling, fault-tolerant designs, and physical security hardening. Our team designed the world's first Tier IV data center and continues innovating resilient infrastructure solutions for financial institutions and federal agencies.
Staffing Services
Full-time staff augmentation for engineering, IT, and technical roles in public and private sectors. We provide pre-vetted professionals including MEP engineers, project managers, and cybersecurity specialists. Our rigorous screening ensures candidates exceed technical requirements while maintaining the highest professional standards for mission-critical projects.
Commissioning
Third-party commissioning authority services using Level 5 Integrated Commissioning Process. We verify design intent through construction and operation phases, preventing costly downtime in critical facilities. Our proprietary testing protocols identify vulnerabilities before facility handover, ensuring optimal performance under normal and abnormal conditions for data centers and healthcare infrastructure.
Sustainable Design
Sustainable MEP design solutions for energy-efficient mission-critical facilities. Services include EPA Green Data Center evaluations, white space energy audits, and fit-for-purpose technical assessments. Our engineers implement concurrent maintainability designs that reduce environmental impact while maintaining Tier IV compliance for data centers and healthcare facilities.
People
Ari Ghosal
President & CEO
Ari Ghosal leads CSI Engineering with 20+ years of legal and engineering experience. As both attorney and engineer, he focuses on business growth and client relations while maintaining technical excellence across departments. A Maryland Bar Foundation Fellow, he ensures strategic alignment between legal compliance and engineering innovation.
Robert Laufer
Vice President of Engineering
Robert Laufer oversees engineering operations with licenses in 10+ states. His expertise spans electrical systems design for healthcare, transportation, and government sectors. With 18+ years at CSI, he ensures technical excellence in complex MEP projects while mentoring engineering teams across diverse infrastructure applications.
Michael McDonnell
Principal Mechanical Engineer
Michael McDonnell specializes in HVAC and plumbing systems for mission-critical facilities. As Principal Mechanical Engineer, he designs complex systems for healthcare, transportation, and government projects. His 14+ years at CSI have established him as a leader in mechanical infrastructure for Tier IV-compliant data centers and sustainable facilities.
John Colen
Executive Vice President
John Colen brings 35+ years of architectural experience to CSI's management team. As a registered architect in DC and Maryland, he focuses on design integration for data centers and mission-critical facilities. His expertise ensures seamless coordination between architectural and MEP systems in complex infrastructure projects.
Gerard Jerry Gallagher
Principal Mission Critical Designer
Gerard Gallagher leads mission-critical facility design with 40+ years of data center expertise. As former CEO of a design/build firm, he specializes in site selection and infrastructure for Tier IV facilities. His technical leadership continues to shape CSI's approach to fault-tolerant designs and concurrent maintainability.
Questions
What engineering services does CSI specialize in?
CSI specializes in MEP design, mission-critical facility engineering, and commissioning services for data centers, healthcare infrastructure, and government projects.
How long has CSI Engineering been in business?
CSI Engineering has provided engineering solutions since 1987, with 35+ years of experience in mission-critical facility design and infrastructure projects.
Are CSI's engineers licensed in multiple states?
Yes, CSI's engineering team includes Professional Engineers licensed in Maryland, DC, Virginia, New York, and 6+ additional states.
What commissioning process does CSI use?
CSI uses a proprietary Level 5 Integrated Commissioning Process that verifies design intent through construction and operation phases for mission-critical facilities.
Does CSI offer staffing services for technical roles?
Yes, CSI provides pre-vetted technical professionals for engineering, IT, and project management roles in public and private sector projects.
What certifications does CSI hold?
CSI is recognized as a Small, Minority-Owned Business and maintains Professional Engineer licenses across multiple jurisdictions for compliance and technical excellence.