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Back painted glass wall cladding.
Custom 3/8" Shower
Custom Glass Balustrade
1/2" Tempered Glass
Johnson County Ambulance
24 - 26 South Clinton
Billion GMC Cadillac - Iowa City
112 East Washington
Custom 1/2" Tempered Shower
140 East Burlington
Billion Kia of Iowa City
Johnson County Ambulance
Johnson County Ambulance
Johnson County Ambulance
Johnson County Ambulance
Stock Shower Stall
Johnson County Ambulance
Stutsman Seed Co.
Toyota of Iowa City
112 East Washington
Billion Kia of Iowa City
Billion  Chevrolet - Iowa City
Custom 3/8" Clear Tempered Shower
Johnson County HHS
St. Jude Catholic Church
Billion Chevrolet - Iowa City
Johnson County Ambulance
Hills Bank - Iowa City
Welcome to MGSI, Ltd 


MGSI is a full service glazing contractor servicing Iowa City, Cedar Rapids and the surrounding eastern Iowa area. We take pride in our scope diversity and emphasize the abilities and talents of our staff members to provide you with service that is second to none. 

Commercial Applications


Entrances and Storefront

Curtain Walls

Glass Balustrade and Guardrails

Metal Handrails

Bullet Resistant Glazing & Wall Assemblies

Blast Mitigation Glazing

Security Glazing & Films

Fire Rated Glass

Radiation Shielding

Bent Glass

Silk Screen / Digital Printing

Joint Sealants and Joint Design

Door Hardware

Design Consultation

Shop Drawings and Drafting

Existing Installation Service and Repair

Residential Applications


Custom Showers


Table Tops

Shower Doors

New Screens and Rescreens

Storm Windows

Fireplace Glass

Glass Shelving

New and Replacement Windows

Window Hardware

Cabinet Glass

Existing Installation Service and Repair

Commercial Service Applications


Hardware Replacement and Repair

New Commercial Doors

Commercial Door Repairs

Glass Door Repairs

New Glass Doors

Vestibules and Airlocks

Glass service and replacement

Joint sealants and caulking restorations

24 Hour Emergency Service

MGSI services the following areas: Johnson County, Iowa City, Coralville, North Liberty, Hills, Nichols, Lone Tree, Oxford, Shueyville, Solon, Swisher, Tiffin, University Heights, Frytown, Amish, Elmira, Cosgrove, Morse Oasis, River Junction, Sharon Center, Sutliff, Windham, Midway, Cedar Rapids, Alburnett, Bertram, Center Point, Central City, Coggon, Ely, Fairfax, Hiawatha, Lisbon, Marion, Mount Vernon, Palo, Prairieburg, Robins, Springville, Walford, Walker, Covington, Toddville, Troy Mills, Waubeek, Whittier, Viola, Bennett, Clarence, Durant, Lowden, Mechanicsville, Stanwood, Tipton, West Branch, Rochester, Cedar Bluff, Buchanan, Cedar Valley, Centerdale, Downey, Lime City, Plato, Massillon, Springdale, Sunbury, Wald, Atalissa, Blue Grass, Durant, Conesville, Fruitland, Muscatine, Stockton, Walcott, West Liberty, Wilton, Cranston, Fairport, Midway Beach, Montpelier, Moscow, Petersburg, Ainsworth, Brighton, Coppock, Crawfordsville, Kalona, Riverside, Washington, Wellman, West Chester, Noble, Rubio, Haskins, Ladora, Marengo, Millersburg, North English, Parnell, Victor, Williamsburg, Amana, Conroy, East Amana, High Amana, Homestead, Middle Amana, South Amana, West Amana, Genoa Bluff. 

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