Design Build
Project Management
Air Quality Control and Filtration
HVACR Systems
Verification
New Construction
Renovations
Energy Management
Technical Advice and Solutions
Service and Maintenance Programs
Commercial Industrial
Pharmaceutical Clean Rooms
Special Projects
Industrial Ventilation
Computer Rooms
24 hr. Service
Building Automation
Why we're better....

Regardless of the size or the complexity of the project, our promise is to pay full attention in addressing the customer's requirements and provide the best options and the higher value for their investment.
"Claiming perfection is bragging but persuing perfection is a continuous journey of satisifaction by all parties"




S.I.G. is a multi-discipline mechanical company with 3 departments.
Engineering
Construction
Service


We have served customers in the commercial and industrial markets since 1973. Repeat satisfied customers are our witnesses that we deliver what we promise.

Today's Market is ever changing. New technologies and technical solutions are emerging continuously. Environmental awareness, energy consumption, regulations and end user targets are developing and we understand that our customers deserve to get the cutting edge and not the average.