Business Details
50+ Years
experience
Trusted Indiana Construction Management Experts
Garmong Construction has been a cornerstone of the construction industry since 1923, delivering excellence across America's Heartland. As a family-owned business spanning four generations, we specialize in Build-Operate-Transfer, Design-Build, and General Contracting services, combining century-old expertise with modern innovation. Our team has completed over 4,000 project sites, maintaining a strong focus on safety with an Experience Modification Rating of 0.60. Recognized as a three-time Top 25 fastest-growing company by the Indianapolis Business Journal and a back-to-back Best Place to Work in Indiana, we prioritize community engagement and client satisfaction. Our leadership team, including Chairman/CEO David L.Hannum, PE, brings deep technical expertise and a commitment to advancing construction methodologies. From K-12 education facilities to healthcare complexes, we partner with public and private entities to transform visions into reality. Our safety program emphasizes proactive risk management through daily audits and cutting-edge technology integration. With offices in Indiana and Georgia, we serve diverse markets while maintaining local economic development partnerships. Our Shell Building Program and financing expertise help clients achieve economic growth objectives. This legacy of excellence continues to drive our approach to every project we undertake.
Services
Construction Management
Design-Build Services
General Contracting
Real Estate Development
Build-Operate-Transfer
Details
- Year established: 1923
Highlights and features
- We offer 101 years of continuous construction expertise across multiple delivery methods
- Our family-owned business maintains fourth-generation leadership involvement
- We maintain an industry-leading 0.60 Experience Modification Safety Rating
- Recognized three times as Top 25 fastest-growing Indiana company by IBJ
- We combine construction services with development financing expertise
What people say
Best Places to Work
Top Safety Ratings
Community Engagement
Longstanding Reputation
Award-Winning Projects
Services
Construction Management
We provide expert Construction Management services using both CMc and CMa delivery methods. Our team partners with clients to deliver complex projects while maintaining strict budget and timeline controls. With pioneering experience in public-private partnerships, we offer comprehensive oversight from design through completion.
Design-Build Services
As Indiana's early adopters of Design-Build methodology, we offer seamless project delivery combining design and construction under one contract. This approach reduces risk and accelerates timelines while maintaining quality standards. Our established relationships with top architecture firms ensure optimal design solutions.
General Contracting
With foundational expertise dating to 1923, our General Contracting services combine traditional craftsmanship with modern techniques. We manage subcontractor teams while maintaining direct field oversight through 100+ company personnel. This hybrid approach ensures quality control across all project phases.
Real Estate Development
Our real estate development services focus on economic growth initiatives through shell building programs and strategic partnerships. We provide site selection analysis, financing solutions, and development expertise to create job-generating commercial spaces that benefit local communities.
Build-Operate-Transfer
We specialize in Build-Operate-Transfer solutions that minimize public entity risk while ensuring project success. Our comprehensive approach covers design, construction, temporary operations, and final transfer. This method guarantees facilities meet exact client requirements through complete project lifecycle management.
People
David L. Hannum
Chairman/CEO
Fourth-generation leader with 35+ years in construction management. PE licensed engineer who expanded services to include full design capabilities and development financing. First third-generation graduate of Rose-Hulman Institute of Technology.
Paul Okeson
President
Construction executive overseeing daily operations. 25+ years experience in project delivery methods and team leadership. Focus on client relationship development and operational efficiency improvements.
Lance Gassert
Chief Operating Officer
PE licensed engineer managing operational strategy. 20+ years in construction project management with expertise in complex institutional projects. Oversees technology integration and process optimization initiatives.
Chris Aimone
Chief Financial Officer
Financial strategist with 15+ years in construction accounting. Manages corporate finance, budgeting, and development project financial analysis. Ensures fiscal responsibility across all company operations.
Mitch Hannum
Executive Vice President
Third-generation construction leader specializing in business development. 20+ years experience in client relations and project acquisition. Focuses on expanding market reach and service offerings.
Questions
What construction services does Garmong offer?
We provide Construction Management, Design-Build, General Contracting, Build-Operate-Transfer, and Real Estate Development services across multiple sectors.
How long has Garmong been in business?
Since 1923, making us Indiana's longest-operating construction firm with four generations of family leadership.
Do you offer financing assistance for projects?
Yes, our development division provides financing solutions and economic impact analysis for commercial projects.
What geographic areas do you serve?
Primarily Indiana and Georgia with regional offices in Terre Haute, Indianapolis, Evansville, Fort Wayne, and Atlanta.
How do you ensure construction safety?
Through daily audits, safety training programs, and an Experience Modification Rating of 0.60 - significantly below industry average.
What industries do you specialize in?
Education, healthcare, government facilities, detention centers, and commercial development with 4,000+ completed projects.
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