JEC Service Company is a dedicated and top performing Mechanical Piping, HVAC Service, and Sheet Metal contractor servicing the greater Boston area.

Our team has extensive background in new construction, sheet metal, renovations, and service working across many different markets such as, commercial, institutional, and multi-housing clients. Based in Waltham with a fabrication shop in-house, our trusted experienced staff works in partnership to make your next project a success through competitive pricing, scheduling, and the most cost effective approach.

We manage and partner with clients on large-scale, small and specialty projects from new construction to service maintenance. Our dedicated and responsive service department works very closely with the construction team during start-up and provide HVAC service, refrigeration and maintenance contracts.

Our senior management team meets regularly with leading firms in our industry to discuss their building, maintenance, service and HVAC mechanical requirements. Regardless of the complexity, schedule, budget or the particular circumstances of your project, JEC is here to determine and deliver the best and most cost-effective solutions.

We look forward to meeting and working with you.

Call us at 617-268-3800 or fill out our contact form.

Our Team

Wayne Greenwood


Marc Donato

Vice President

Paul Donato

Director of Operations

Sean O’Keeffe


Sean Thurston

Service Manager

Paul T. Donato

Project Manager

EJ Santora

Project Manager

Matt Brown

Project Manager

Marisa Moniz

Project Manager

Angela Caggiano

Budget Analyst

Al Seelig

Sheet Metal Operations/Shop Foreman

Rob Lambert

Sheet Metal Operations/Shop Foreman

Joe Gause

Pipefitter Operations/Shop Foreman

Ryan McDonald

Pipefitter Operations/Field Foreman

Mike Mathews

Sheet Metal Operations/Field Foreman