Directory

Public engineering firm profile

CSI Engineering

Laurel, MD

Common Sense In Engineering

Services
27
Offices
2
Leaders
4
Founded
1987
Size Estimate
10-50 employees

Overview

CSI Engineering (CSIE) is a full-service MEP engineering design, consulting, and staffing firm founded in 1987 and headquartered in Laurel, Maryland, just outside Washington, D.C. Over 35 years, it has built a track record in mission-critical facility infrastructure - data centers, communications rooms, laboratories, and SCIF environments - as well as federal, state, and local government work across transportation, healthcare, education, power and energy, and utilities. CSIE has delivered more than 2,500 data centers and IT infrastructure facilities and has served WMATA on over 50 projects since 2012.

Founded
1987
Size Estimate
10-50 employees

Services

MEP Engineering Design

Full-spectrum mechanical, electrical, and plumbing design from programming and planning through implementation and testing.

Mission Critical Facilities

End-to-end design and build for 24/7 mission-critical environments, from technology infrastructure requirements analysis through commissioning.

Commissioning

CSIE's Integrated Commissioning Process covers quality design, construction verification, systems testing, and operator training to ensure long-term reliability of mission-critical infrastructure.

Consulting

Technology specialists evaluate IT systems and infrastructure, conduct growth assessments, and develop continuation plans to keep mission-critical operations resilient. Value engineering is applied at every project phase.

Staffing Services

Technical staffing and on-site support for public and private clients through project delivery.

Industries

Firm type

Leadership

Ari Ghosal

President and CEO

Esq.

In addition to decades of experience at CSIE, Ari Ghosal is a practicing lawyer representing businesses on corporate, regulatory, and compliance matters for over 20 years. Named a 2020 Fellow of the Maryland Bar Foundation by the Maryland State Bar Association.

Debdas Ghosal

Founder and Emeritus

P.E.

Founded CSIE in 1987 to provide engineering solutions for mainframe computer center environments, later specializing in end-to-end solutions for mission-critical 24/7 facilities. CSIE completed over 2,500 data centers and IT infrastructure facilities under his leadership.

Robert Laufer

Vice President of Engineering and Corporate Secretary

P.E.

Joined CSIE in 2005. Oversees engineering operations across residential, healthcare, educational, transportation, and government sectors. Holds Professional Electrical Engineer licenses in MD, DC, VA, DE, NY, NJ, PA, FL, and NV.

Michael McDonnell

Principal Mechanical Engineer

P.E.

Joined CSIE in 2009. Specializes in HVAC systems including air handling, hydronic systems, boiler plants, chiller plants, plumbing, and building automation systems. Holds PE licenses in MD, DC, VA, and other jurisdictions.

Offices

Headquarters

Headquarters

Washington, DC