GTG Companies
GTG Companies is a privately-held Iowa design-build firm providing integrated architecture, structural engineering, and general contracting services across healthcare, education, government, commercial, and residential sectors in the Midwest.
- Company typePrivate
- Founded2009
- HeadquartersJohnston, United States
- Headcount11–50
- GTM typeB2B
- OfferingServices
What GTG Companies does
GTG Companies (legal name: GTG Construction & Architects) is a privately-held design-build firm founded in 2009 and headquartered in Des Moines, Iowa (mailing address in Johnston, Iowa). The firm offers an integrated suite of services spanning architectural design (architectural plans, structural engineering, interior design, 3D renderings, site selection, feasibility studies, tenant improvements, property condition assessments) and full-service general contracting (demolition, framing, concrete, drywall, flooring, painting, landscaping, excavation). GTG delivers projects through a design-build model that consolidates design and construction responsibility under a single firm, targeting clients across six vertical segments: office and industrial, healthcare, education, commercial and retail, civic and government, and residential.
The firm's customer base includes named healthcare providers (Mary Greeley Medical Center, Story County Medical Center, Methodist Hospital, Des Moines University Clinic, Boone County Hospital), educational institutions (Iowa State University, Drake University, Grandview University, Des Moines University, Des Moines Public Schools), government entities (Iowa Department of Transportation, Iowa National Guard, City of Des Moines, City of Marshalltown), and commercial clients (Impact 7G, i2tech industrial, Canoyer Greenhouse, Charter Bank, Iowa Pork Producers). GTG is founder-owned and operated, with owners Wes Reynolds and Jessica Reynolds leading the firm alongside an office manager, project managers, project engineers, superintendents, a safety director, foremen, carpenters, and site supervision staff. Total headcount falls in the 11-50 range.
GTG operates regionally with primary service in Iowa and select projects in North Dakota. Revenue is generated through project-based, quote-driven design-build contracts rather than disclosed pricing models. Marketing is conducted via the company's website project portfolio and word-of-mouth referrals. The firm maintains an active hiring pipeline through Indeed.com across design and construction roles, signaling ongoing capacity expansion. No external funding, private equity ownership, or public-market activity is disclosed.
GTG Companies firmographics
Firmographics- Name
- GTG Companies
- Legal name
- GTG Construction & Architects
- Website
- https://gtgcompanies.com
- Company type
- Private
- Founded year
- 2009
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- GTG Companies is a privately-held Iowa design-build firm providing integrated architecture, structural engineering, and general contracting services across healthcare, education, government, commercial, and residential sectors in the Midwest.
- Ownership category
- akta.pro rank
GTG Companies industry classification
Industry- Product category
- Design-Build Construction Services
- NAICS
- Architectural, Engineering, and Related Services (5413), Architectural Services (54131), Engineering Services (541330)
- SIC
- General Bldg Contractors - Nonresidential Bldgs (1540), General Bldg Contractors - Residential Bldgs (1520), Services-Engineering Services (8711)
- akta.pro industry
- Commercial General Contracting (New Build)Industrials, Manufacturing & Construction/Construction & Civil Engineering/General Contracting & Construction ManagementArchitectural Design ServicesBusiness & Public Services/Professional Services (Legal, Accounting, Consulting)/Architecture, Design & Planning ServicesResidential Design-Build & Renovation-Integrated BuildersIndustrials, Manufacturing & Construction/Construction & Civil Engineering/Residential Building Construction
Keywords
Where GTG Companies is headquartered
LocationHeadquarters
- HQ city
- Johnston
- HQ country
- United States
- HQ region
- North America
Offices2 records
Markets served
GTG Companies business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Supply Chain, Operations, Marketing or Sales, Technology or R&D, Others
Distribution channels1 record
Marketing channels1 record
GTG Companies product offering
Product offeringCore offering
GTG Companies (operating as GTG Construction & Architects) is a design-build firm delivering integrated architectural design, structural engineering, interior design, and general contracting services for commercial, healthcare, education, government/civic, and residential projects in Iowa and the Midwest. Services span pre-construction planning (site selection, feasibility studies, tenant improvements, property condition assessments), architectural and structural design, 3D renderings, and full-service construction including demolition, framing, concrete, drywall, flooring, painting, landscaping, and excavation under one unified delivery model.
Product overview
GTG Companies (GTG Construction & Architects) is a design and construction firm offering an integrated suite of services spanning architectural design and construction. The core portfolio includes in-house design services (architectural, structural, interior design, renderings, site planning, feasibility studies, tenant improvements, property assessments) paired with full-service construction capabilities (general contracting covering demolition, framing, concrete, drywall, flooring, painting, landscaping, and excavation). The company operates under a design-build delivery model, providing seamless integration from initial concept through final occupancy. Services are delivered across six project categories: Office & Industrial, Healthcare, Education, Commercial & Retail, Civic & Government, and Residential.
Differentiator
Problem solved
Functional benefit
Products and services
- Architectural Design Services In-house architectural design team providing comprehensive architectural plans to bring projects from concept to construction-ready documentation for commercial, healthcare, education, government, and residential clients.
- Structural Design Services Structural design capabilities including wood and steel framing, concrete flat-work, foundations, and segmented retaining walls with complete construction documentation.
- Interior Design Services Interior design guidance for material and furniture selections while maintaining project budget constraints for commercial and residential clients.
- Site Selection & Planning Services Site selection guidance ensuring buildings fit on properties, with coordination with Civil Engineering firms for site plan development.
- Feasibility Studies Analysis services evaluating design ideas and determining viability, cost estimates, and space requirements for new properties or additions.
- Tenant Improvements Existing property assessment and remodeling plans for new tenant move-ins or property renovations for commercial clients.
- Property Condition Assessments Commercial property condition assessments for lender due diligence processes on existing buildings.
- General Contractor Services Full-service construction team providing demolition, wood and metal stud framing, concrete flat-work and walls, drywall, ACT, flooring, painting, landscaping, excavating, and grading services across all project sectors.
- Design-Build Services Integrated design and construction services combining architectural creativity with construction expertise from initial concept to final occupancy under a single delivery contract.
- Construction Management Comprehensive construction project management from initial planning through occupancy, including design coordination, construction execution, and project completion.
Companies that use GTG Companies
Customer profileNamed customers30 records
Segments2 records
Ideal customer profiles4 records
GTG Companies technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
GTG Companies partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- IndeedminorIndeed.com serves as a recruitment channel for GTG Companies. The company maintains an active job posting page on Indeed's platform for hiring construction and design professionals.
Recent moves5 records
Expansion highlights4 records
GTG Companies competitors and assessment
Company assessmentBroad incumbents
- Walsh Group / Walsh Construction: Chicago-based national design-build contractor with extensive healthcare, education, and civic work. A broad incumbent that competes for the same institutional client base GTG serves in the Midwest.
- McCarthy Building Companies: National employee-owned design-build firm with significant healthcare, education, and commercial portfolios. Competes for the same institutional design-build opportunities GTG pursues, but at national scale.
- M.A. Mortenson Company: Minneapolis-based national design-build firm with significant Midwest presence. Overlaps with GTG in commercial and institutional design-build delivery but operates at substantially larger scale.
- The Weitz Company: Des Moines-headquartered national design-build contractor and construction manager. A much larger incumbent operating broadly in commercial, healthcare, and industrial segments that overlap GTG's footprint.
- Opus Design Build (Opus Group): Minneapolis-based national design-build developer with strong Midwest roots. Comparable integrated design-construction offering for commercial and institutional clients but at a much larger scale.
Direct peers
- Shive-Hattery Group: Iowa-based architecture and engineering firm offering integrated design and building services. Larger than GTG but operates in the same multi-disciplinary design-build space across Iowa and the Midwest.
- Russell Construction Company: Iowa-based design-build contractor serving healthcare, education, and commercial clients in the Midwest. Highly comparable to GTG in delivery model, regional footprint, and institutional client mix.
- Neumann Monson Architects: Iowa City-based architecture and design firm with strong institutional and healthcare portfolios. Comparable for design-side integration with construction delivery that GTG also offers.
- Raker Rhodes Engineering: Iowa-based design-build firm combining architectural and engineering services. Closely comparable to GTG in integrated delivery and Midwest regional focus.
- Story Construction Company: Ames, Iowa-based general contractor and design-build firm with similar multi-sector exposure (commercial, healthcare, education, civic). Comparable in size and Iowa-centric market orientation to GTG.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
GTG Companies financial estimates
Financial estimateRevenue estimate
Valuation estimate
GTG Companies leadership team
Management profileNumber of profiles
Profiles5 records
GTG Companies funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
GTG Companies M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about GTG Companies
What does GTG Companies do?
GTG Companies (operating as GTG Construction & Architects) is a design-build firm delivering integrated architectural design, structural engineering, interior design, and general contracting services for commercial, healthcare, education, government/civic, and residential projects in Iowa and the Midwest. Services span pre-construction planning (site selection, feasibility studies, tenant improvements, property condition assessments), architectural and structural design, 3D renderings, and full-service construction including demolition, framing, concrete, drywall, flooring, painting, landscaping, and excavation under one unified delivery model.
Is GTG Companies a public or private company?
GTG Companies is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was GTG Companies founded?
GTG Companies was founded in 2009. It employs 11 to 50 people.
Where is GTG Companies based?
GTG Companies is headquartered in Johnston, United States, in the North America region.
Who are GTG Companies's main competitors?
Broad incumbents on record are Walsh Group / Walsh Construction, McCarthy Building Companies, M.A. Mortenson Company, The Weitz Company and Opus Design Build (Opus Group). Direct peers are Shive-Hattery Group, Russell Construction Company, Neumann Monson Architects, Raker Rhodes Engineering and Story Construction Company.
Does GTG Companies have an API?
No public API is recorded for GTG Companies.
What industry is GTG Companies in?
GTG Companies's product category is Design-Build Construction Services. Its primary akta.pro industry code is IMAFAAAA, Commercial General Contracting (New Build), with a secondary code of BPAHAKAA, Architectural Design Services. Its NAICS code is 5413 and its SIC code is 1540.