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Setting the Standards
for Innovative Engineering

Contact Us
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Building Relationships through
Engineering since 1974

Thompson Consultants, Inc. was established in 1974. Our basis for creating a successful business was to develop a practice focusing on highly technical engineering. Today, we continue to innovate and hold ourselves to the highest possible standards to deliver for our clients. 

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Our market sectors

Bio-Pharma

Academic

Commercial

Healthcare

Infrastructure

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excelling in the design of complex
and critical environments

In these spaces, precise environmental conditions require specialized HVAC, Electrical and Plumbing systems. Whether it is an aseptic fill finish line, nanofabrication clean room, bio-safety lab or operating room, TCI engineers possess the knowledge and expertise to deliver a successful project. No project is beyond our vision and expertise. We will make it happen.

©2026, Thompson Consultants, Inc., All Rights Reserved
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  • INFO@TCIENGINEERS.COM
  • (508) 748-2620
  • 525 MILL STREET, MARION, MA 02738

CAREERS

BIOTECH / PHARMACEUTICAL
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Vedanta Biosciences

Repligen Lab Relocation (Marlboro Casting)

Repligen Ethanol Processing

Novartis Institutes for BioMedical Research

Finch Therapeutics

ExxonMobil – Headquarters

ElevateBio

Brammer Bio

Aspen Aerogels

Antares Pharmaceuticals

ElevateBio

Engineering and Science Building

ACADEMIC
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Vanderbilt University – Engineering and Science Building Clean Room

University of Rhode Island

University of Rhode Island – Substations – Infrastructure

Rhode Island School of Design – East Hall

Rhode Island College – Recreation Center

Massachusetts Institute of Technology – E25 Cleanroom

Harvard University – LISE Building Utilities Enabling

Brandeis University – Carl J. Shapiro Science Center

COMMERCIAL
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Zeiterion Block – Parking Garage

Covanta SEMASS – Resource Recovery Facility

75 Arlington Street

601 Congress Street – Laboratory Conversion

101 Federal Street

HEALTHCARE
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Spaulding Rehabilitation

Newton-Wellesley Hospital – Emergency Department / Surgical Center

Massachusetts General Hospital – Lunder Building

Massachusetts General Hospital – Legacy OR

Mass General Hospital West – ASC

Dartmouth-Hitchcock Medical Center

Clinton Hospital – Emergency Department In-Patient

Boston Medical Center – Yawkey Pavilion

MGH West – Oncology

Spaulding Rehabilitation Hospital

INFRASTRUCTURE
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UMass Memorial Medical Center – Normal & Emergency Substation Upgrades

Eversource Waltham – Electric Service Upgrade

Brigham & Women’s Hospital – Emergency Power

Beth Israel Deaconess Medical Center – Infrastructure Renewal

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Scott F. Guinen, CIPE
CEO / CFO

Plumbing & Fire Protection

Mr. Guinen is CEO/CFO and a senior plumbing and fire protection leader with 34 years of engineering and project management experience. As Plumbing/Fire Protection Department Manager, he provides executive and technical oversight for concept development, design, specifications, and construction supervision across complex plumbing and fire protection systems.

Scott brings senior-level expertise to mission-critical building systems, including sanitary and laboratory waste drainage; potable, non-potable, well, treated, RODI, and WFI water systems; natural gas; fuel storage and dispensing; medical gas; compressed air; and laboratory gases, including flammable, pyrophoric, corrosive, and highly toxic gases. His fire protection leadership includes standpipes, wet, dry, deluge, and pre-action sprinkler systems, fire pumps, water storage, and gaseous and foam-water extinguishing systems.

His project portfolio includes new construction, renovations, and expansions for healthcare, higher education, research, manufacturing, bio-pharma, and laboratory clients. He supports clients and project teams in advancing BIM-enabled delivery, sustainable design, and energy-efficient strategies, including LEED-certified facilities.