Olsen Mastermark
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Olsen Mastermark
OMC offers high quality window options for your home, historical project, church and other niche buildings. OMC also offers new construction windows and doors for apartment complexes, condos and other large scale housing projects. Our PVC trim and molding products are guaranteed to never warp, splinter, or rot from water damage.

While not required, PVC material is able to be painted. Our PVC trim and molding products hold a finish much better, and much longer, than any wood based products. Trust OMC Archtrim for top-notch laser etching and engraving services. Whether you're looking for customized trophies, awards, plaques, or even etched glass, OMC can do it all.

Olsen Mastermark Company (OMC), located in Lansing, Michigan, has been working in the building industry since 1982. We supply custom-created PVC boards and trim moldings, window & door surround kits, and so much more. We offer many services as well including custom engraving, CNC routing machine services, CNC lathe machine services, and laser engraving services.
Services
We have been serving the Greater Lansing Area since 1982 and now offer services all throughout Central Michigan as well as nationwide and beyond! Whether you walk in our shop or contact us from half a world away, you can count on quality customer service from a small family run Mid-Western company.
We specialize in high quality and custom designed windows and doors for single family homes, churches and other special niche projects as well as providing vinyl windows and patio doors for large scale multi-family new construction projects.
OMC fabricates custom PVC trim and molding using a refined process of utilizing heat to form cellular PVC. Our state of the art process, equipment, quality control standards, and experience makes us the leader in heat bending cellular PVC. Our PVC trim and molding products are guaranteed to never warp, splinter, or rot from water damage.
Trust OMC Archtrim for top-notch laser etching and engraving services. Whether you're looking for customized trophies, awards, plaques, or even etched glass, OMC can do it all. We do a large amount of custom builds and other one-off work. Personalized items are much more meaningful than buying generic products that you can find at any store.
OMC Archtrim provides full-service precision CNC routing services. We handle everything from picking up materials to delivering the final product. We are able to work with people at every level from average walk-in customers to businesses that need us to work with them and their clients to complete a project.
Reviews (5)
Patrick George
Patrick George
Aug 31, 2017
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They made a beautiful laser etched granite headstone for our dog that passed away. They also crafted a custom one of a kind farm sign that looks great at the entrance of our driveway. Easy to work with and very affordable.
Rhonda N.
Rhonda N.
Feb 26, 2017
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I am very satisfied with my experience with Olsen Mastermark and definitely am pleased with the new windows. The product was better than another local competitor, and so was the cost! I had 8 windows replaced and am looking forward to a much warmer winter with lower heating bills. The installer, Jim, was on time and stayed late to ensure everything was done to my satisfaction. Jim was professional, worked quickly and cleaned up immaculately. When he left, there were no nails, scraps, metal or anything left behind to clean up
The salesperson, Tracy, was very informative and educated me about
Roy
Roy
Oct 26, 2016
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Purchased from them multiple times over past 18 years. Always satisfied.
Jo Jo
Jo Jo
Nov 25, 2015
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Purchased glazing bead for Lincoln patio windows and it took two months to get it. The owner is rude and does not provide any customer service. If you dont like his service he says " I will see you in court if you want because I don't care". Do not do business with this company.
Mike McCurdy
Mike McCurdy
May 03, 2015
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Have ordered windows through this company a few times. (I'm in property management. ) Always great service. Professional and courteous. These guys know windows.