Our Story About BDI Ground Screw
Tube bending, welding and precision engineering for over 80 years. From a St. Louis service station to one of North America's leading ground screw manufacturers.
USA Made 
Our Mission "Producing Quality Parts, On Time"
Engineering and Manufacturing Quality Parts, On Time and On Budget
Since our beginning in St. Louis, Missouri in 1946, this simple promise has guided everything we do. From our start fabricating tubular steel components for baby carriages to today's precision-engineered ground screws, we've built our reputation on exacting quality and reliability. We are an engineer-based team with a deep knowledge of the materials we work with and a keen understanding of diverse soil conditions and load capacities our ground screws must accommodate.
Our ISO 9001:2015 certification is indicative of our commitment to quality. The loyalty of our many customers is testimony to our commitment to delivering outstanding performance and service.
U.S.-Based, World-Class Capabilities
At our manufacturing facility we combine decades of engineering expertise and manufacturing experience with state-of-the-art technology. From automated tube bending to robotic welding, we deliver production precision and consistency at any scale.
- In-house tool and die design
- Fully equipped weld metrology lab
- Automated bending and forming
- Quality testing and inspection
80 Years of Innovation
The Beginning
Founded as Bohn and Dawson in a Saint Louis service station by Chet Bohn and Jim Dawson. First major project: high-volume tubular components for baby carriages.
Industry Recognition
Became a recognized leading supplier of tubular handles to the Outdoor Power Equipment industry, establishing expertise in precision tube fabrication.
Market Expansion
Expanded into residential and commercial chair and table frame markets, diversifying manufacturing capabilities and customer base.
Automotive Transformation
Produced first automotive components, re-tooling engineering, production, operations, and quality systems. Revolutionary step toward high value-added manufacturing.
Industry Leader
One of the largest contract tubing fabricators in North America, serving multiple markets with ISO 9001:2015 certified processes.
From American Steel to Your Jobsite
Every BDI ground screw is traceable from raw material to finished product — all within the United States. No offshore sourcing. No mystery middlemen.
American Steel Mills
HSLA steel formulated to ASTM A513/A500 specifications by domestic steel mills.
USA Steel MillsUSA Tube Conversion
Steel coil converted to precision tubing by American tube converters.
USA Tube ConvertersBDI Manufacturing
Formed, welded, and threaded at our ISO 9001:2015 certified
facility in St. Louis.
Coating & Inspection
Hot-dip galvanized per ASTM A123 with multi-checkpoint quality control.
St. Louis, MOYour Jobsite
6-8 weeks from order to delivery. No ocean freight. No customs delays. No surprises.
Anywhere in the USABDI Supply Chain
100% USAAmerican steel → American tubing → American factory → Your site
6-8 weeksTypical Import Chain
0% USAForeign steel → Foreign factory → Ocean freight → US port → Distributor → Your site
12-16+ weeksSaint Louis, Missouri
Our manufacturing facility in Saint Louis serves as the hub for all ground screw production. With 80+ years of tube fabrication expertise and ISO 9001:2015 certification, we deliver consistent quality for every order.
- Full-scale manufacturing facility
- ISO 9001:2015 certified facility
- Full in-house quality testing lab
- 6-8 week lead times from our St. Louis facility
What Happens When You Call BDI
You Reach Our St. Louis Office
Not an overseas call center. Not a distributor's voicemail. Our team answers from the same building where your ground screws are made.
You Speak With Engineers
Our engineering team walks the factory floor. They know the steel, the process, and your application requirements.
You Get Answers, Not Runaround
Quotes in 24-48 hours. Specs from the people who make the product. No middlemen. No mystery supply chain.
Related: See our products · Learn about installation
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