Markin Co is a Certified Installation Company committed to providing beautiful, high-quality, highly energy efficient, low maintenance windows and patio doors to our clients. Choosing windows requires serious consideration. There are many factors that our clients consider to be important when choosing windows and doors:
•    Increased efficiency and insulation. 
•    Light and ventilation.
•    Security
•    Decoration (Colors and Style) of the interior and exterior of your home.
•    Preserving look and integrity of the house.
•    General Maintenance
•    Controlling sound.
•    Expanding a clients connection to the outdoors.
There are many reasons why a person may choose to replace their windows and doors. Markin Co is here to help our clients from concept to completion. Our promise to our clients is to always provide the latest technology, represent proven companies, with integrity and will always listen to our clients needs. 
As a result, Markin Co offers the most aesthetically contemporary and technologically advanced energy-efficient window systems in the industry. We painstakingly selected the best window manufacturers and partnered with them to give our clients the best in material options, color selections, efficiency, and warranties in the business. 
Markin Co promises the following:
•    Up-Front and fair pricing model.
•    Never pressure a client in the home.
•    Present options based on need of client and allow the client to choose. 
•    Markin Co salesman does NOT work on a par system. This system is unfair to clients who may be able to negotiate better with the contractor than their neighbors.
•    Markin will always provide and offer the cutting edge of products evolution to our clients. This will enable our clients to ensure they are getting the best possible window and door system for their home available.
Markin Co works with Marvin Windows and Doors. The Marvin Family of Brands approaches materials differently. Marvin, Integrity, and Infinity distinguish themselves with the highest standards for material selection, sourcing, and development. Marvin’s window and door materials — wood, extruded aluminum, Ultrex® fiberglass, and Everwood® — offer unique benefits for homeowners, builders, and architects. 
Markin Co also sees the need to offer a vinyl window line to our clients. After many experiences with many, many different window and door manufactur’s offering vinyl windows in the market. Markin Co has settled on two vinyl window and door manufacturers’. Provia Windows and Door and Slocomb Windows and Doors. These companies provide exceptional vinyl windows and doors at exceptional pricing. 

Interested in our window products? Click the icons below, to learn more about our window brands!

Marvin Windows logo, one of Markin Co's main suppliers of windows.
Provia's logo, one of Markin Co's main suppliers of windows.

Want more information about our door products, or want to book a free consultation appointment? Click the button below to call us and get more information!



Tel: 888-229-3298

Showroom and Office:

1520 Rupert St Suite C, Grand Rapids MI 49525


About Us

Who We Are


Service Locations:

Greater Grand Rapids Area

Ann Arbor



Office Hours:

Monday - Friday: 8am to 4pm

Saturday - Sunday: Closed

All Major US Holidays: Closed