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Our Story
G4 Construction Management, a mid-sized general contractor of restaurants and hotels in the upper Midwest, was founded by David Greischar in 2004. Greischar has been in the business for over 40+ years, having previously founded in 1976 and worked as the co-owner of Tech Builders Inc., a large national commercial contracting company.
Commercial Experience
Misc Project
Restaurant
Bank
Civil & Site Development
Design Build
Gas Station
Grocery Stores
Hotel / Motel
Mixed Use
Non-Building Construction
Office Building
Retail Store
School / College / University
Utilities
Regions & Counties Serviced
- Minnesota - Minneapolis / St. Paul
Illinois All
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Minnesota All
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Wyoming All
Our CSI Codes
01 24 13 - Value Engineering
01 29 83 - Payment Procedures for Testing Laboratory Services
01 31 13 - Project Coordination
01 31 19.13 - Preconstruction Meetings
01 35 16 - Alteration Project Procedures
01 84 19 - Interior Finishes Performance Requirements
01 85 00.00.01 - Conveying Equipment Performance Requirements
01 87 13 - Equipment Performance Requirements
01 88 16 - Selective Construction Performance Requirements
01 91 23 - Interiors Commissioning
01 91 23.13 - Interior Construction Commissioning
01 91 23.43 - Stairways Commissioning
03 08 00.00.01 - Commissioning of Concrete
04 08 00.00.01 - Commissioning of Masonry