ISM is a professional mechanical contractor based in Poland Maine

Excellence should always be driven by focus. Great work always inspires - whether it’s specialized heating systems, custom refrigeration installs, or cutting edge renewable energy designs for commercial/residential facilities - an entire project should excel in every detail.


We leave lasting impressions with all of our clients.

It’s what drives us and fuels our passion day in and day out. 


Each and every job is met with an extensive background in commercial & large residential  installations and service work.  Integrity Services of Maine was formed and is led by Bill Bouchard, an expert on mechanical systems with over 20 years of experience. 


Stay ahead of the curve with industry leading products, innovative  installations, and unique services that fulfill your unique needs. We're prepared to undertake projects ranging from large scale residential installations to commercial installations, service work and repairs.


Excellence in every detail - even those unseen! 

When you hire ISM you can be assured that the work will be done right the first time, using quality parts & materials. This is extremely important to us as a company. All work is backed by an industry leading  2 year warranty!

Our Clients

We've worked with some amazing clients, for whom we have done everything from full installs, servicing, to general contracting

Integrity Services just completed a job for us at Pleasant Street Dental in Brunswick. They provide quality work and materials. We will be using Integrity Services from now on.

- Rick Moshier

Pleasant Street Dental

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© 2017 Integrity Services of Maine Route 26, Poland Springs, ME 04274

TEL: 207-212-7754 | EMAIL: