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About Us

Located in the Village of Copemish, Contractors Building Supply, Inc.  has been in the renewable energy business for nearly 40 years.  We have a qualified team to meet all your renewable energy needs. From design and installation to energy assessing and consulting, CBS Solar is here to help you save money on your electric bill. From the smallest system for your home to the largest system for your business, CBS Solar has the experience and knowledge to do the job right!
Call today and speak to one of our team members to see what CBS Solar can do for you!


Meet our Team


President and Director of Sales

Allan O’Shea

Allan has been a driving force in renewable energy and conservation for decades. As the first president and founding member of AWEA, Allan began to raise awareness of alternative methods to sustain families, businesses and the economy.

In recent years Allan helped with the formation of the Michigan Energy Fair, a premier event in Michigan that teaches the average homeowner about conservation, renewable energy systems and bio-fuels as well as how to make the important changes in their lives and to reduce energy costs in the 21st century.

As a small business person, Allan calls on his experience to help lead new dealers to success as they develop and expand their business models into the renewable energy field.

Recognized by the Michican Energy Innovation Business Council in the 2016 Michigan Energy Innovators Hall Of Fame.


Engineering and Design

Devon O’Shea

Devon is one of the members of the younger generation who is determined to make a difference.

Devon graduated from Central Michigan University with a degree in Mechanical Technical Engineering. Devon applies his formal training as a technical engineer,  designing and installing renewable energy systems throughout the state of Michigan.

 Devon took his knowledge and experience overseas to Copenhagen for the Climate Change conference in December 2009.

Devon strives to educate dealers and consumers in renewable energy solutions. Devon’s goal is for CBS Solar to become involved in larger projects, in the future.


Operations Management and Procurement


Tyson O’Shea

Tyson knows the importance of service, especially customer service. Tyson served 8 years in the US Navy maintaining and servicing jet fuel systems. During that time he studied Business Management at the University of Phoenix

On Tyson’s return to civilian life he served as Manufacturing/Service Supervisor at Thermolock Manufacturing in Copemish, MI. In this position, Tyson was directly responsible for all Manufacturing operations and all warranty service field work for a four state area in the Midwest. Tyson became a master field repair technician.

In 2003 Tyson relocated to Cincinnati, OH to become Production Manager for Vinylmax/Thermolock Windows. In 2007 Tyson was promoted to Manufacturing Services Liaison/Product Manager providing technical support for 180 distributors and warranty service work in a 27 state area.

In November 2009, Tyson returned to Copemish and currently heads the CBS Window Division where he strives for service excellence.




Lynda O’Shea

Lynda O’Shea has always been an innovator. This was demonstrated back in the seventies when Lynda worked her way through the ranks at Ford Motor Company, to become a parts expeditor.  

 She is directly responsible to all CBS clients and customers. As an experienced office manager, she has managed all CBS Window and Renewable Energy Accounts since the 1990’s.

Lynda is currently the Account manager of CBS and works with all our payables and receivables. With Lynda on our team our customers are assured their accounts will be taken care of accurately.



Solar Assessment Coordinator

12419287_1688542604692426_5081943890703903099_o.jpgVicki Olsen

Vicki is a farm girl from Upstate New York. She studied Business Administration and Sociology while living in South East Pennsylvania. Looking to live closer to nature, Vicki and her husband Craig moved to Traverse City in 2013.  She enjoys gardening, hiking, butterfly monitoring, and leading nature outings with Sierra Club.

Vicki is passionate about promoting Solar for a sustainable healthier planet. She recently completed training at NMC and is working toward Solar Site Assessment Certification with the Midwest Renewable Energy Association. At CBS Solar, Vicki is assisting with solar installation information, permitting, interconnection applications, and team support.



Logistics and Service

Tom Bigelow

Tom has been a valuable employee for 20 years, starting in window manufacturing in 1991. He is a master service technician who can handle any window service with ease. He has delivered windows all over Michigan and is currently working on learning the renewable side of the business. Tom takes pride in his work, making sure every customer is satisfied.



Renewable Technician/Electrician


Aaron O'Shea

Aaron served in the Navy from 1988-1996. During this time, his responsibilities included developing and maintaining an FA/18 repair database (Enhanced Asset Comprehensive Management System).

On Aaron’s return to civilian life, he became an electrician.  Aaron has worked as an electrician in Minneapolis, MN. Local 292 and Michigan, since 1999.

In 2010, Aaron attended St. Paul College in Minnesota, and studied courses aligned with Renewable Energy. As of May of 2012,  Aaron returned to Michigan and joined the CBS Solar team. Currently, Aaron is the project manager for renewable installation. Aaron is a valued addition to CBS.




Renewable Technicians/Installers


Corey Bigelow

Corey  was previously part of Archangel tree archive. His concern and knowledge of environmental issues, help assure we work to help the world.

Corey  our newest team member is a valued asset to our team with a good work ethic, and a high level of mechanical aptitude, to help install our solar systems in a timely manor







Josh Garlinghouse

Josh joined the CBS team in 2015. With his background in construction and management, he is an asset to the CBS Team.  Josh quickly learned the process and one of our newest Renewable Tech/Installer. 





Solar Sales Team 


Bob Matigian  

Bob has worked for over 30 years in the  building  trades industry, including field sperintendent and construction manager experience.  He has completed  OSHA safety programs and is approved by the G.S.A. to work in High Security Areas: both Federal and State.  Bob completed a program from the University of Madison Wisconson for Solar Applications and has been involved with Solar and other energy efficiency products since the 1980s.  He is very knowledgable in acquiring all types of building permits, and has installed many ground mount and roof top solar systems, as well as wind generators.   He is our local contact for sales and installations in South East Lower Michigan.  Call Bob at 734-276-4284 today!


Ken Gorney  


Ken has been involved with residential and Industrial construction, materials, and services for the past 20 years.  He has been actively involved in the solar industry for just under 5 years, primarily in marketing and as a site project coordinator.  He lives in the Charlevoix Area and is the local CBS Solar Sales Coordinator for residential, agricultural, and commercial solar installations.  Ken will assist you system design, sit assessment, and financial analysis.  He will recommend a system to fit your budget including available rebate and grant programs to reduce the cost.   For sales and installations in North West Lower Michigan, Call Ken at 231-675-7704


Kaleb Brown 

Kaleb was born and raised in Northern Michigan.  After spending time in Colorado acquiring knowledge in PV solar design, solar project management, and solar sales, Kaleb has returned to Northern Michigan to apply his skills and vision.  Kaleb seeks to add value to the lives of electricity users with honest, trustworthy solar support thoughout the entire solar project and beyond.  His # 1 priority is to assist customers to understand solar in the easiest terms and to help them make an educated decision.   Kaleb will assist you with system sizing options, financing availability, project management, and incentives toward reaching your solar energy budget and goals.  For sales and installation information in the Grand Traverse Region, call Kaleb at 231-350-1949 or e-mail: