What We Do
As a company that is 100% employee-owned, we collaborate and innovate to help our partners thrive. Our culture of ownership drives your success.
- JHS MAIN HOME
- What We Do
We Transform, Advise, Digitize, Finance, Design, Construct, Equip, Operate, and Manage, Anything that can be Built.
Graviton is a leading construction services company delivering projects in every market sector around the world. Having started from humble beginnings over 70 years ago.

Fully integrated. Relentlessly innovative.
Consistently efficient. Empowered at every level. Our established combined teams, expertise, and methodologies are fast, fluid, and flexible, allowing us to mitigate risk and offer unmatched value.
One company, one result.
No matter the project, no matter the challenge, no matter the technology, requirements, or complexity, Graviton gets it done. We provide everything from the complete lifecycle of a project to advisory and individual services.
We are a culture of doers.
By empowering our employees to challenge the status quo and encouraging them to come up with new ideas, we are continuing our evolution as a company and in the process, are Redefine your industry.
We Have A Vision For
The Future Of Construction.
Industry Leader In Greenhouse Construction
For over 22+ years, the JHS Group of Companies, has been at the forefront of greenhouse maintenance and installation. We provide high-quality facility maintenance services and construction, serving commercial, horticultural, and agricultural growers, as well as retail nurseries and educational research facilities. Our commitment to quality and innovation has made us a trusted name in the agricultural industry.
Comprehensive General Contracting Services for Commercial Projects
At JHS Group, we specialize in providing comprehensive general contracting services for commercial projects. Our expertise spans across various industries, ensuring that each project we undertake is executed with precision, efficiency, and a commitment to quality. From initial planning and design to the final stages of construction, we manage every aspect of the project to meet our clients’ specific needs and timelines. Our team of skilled professionals utilizes the latest technologies and best practices in the industry to deliver exceptional results. Whether it’s a new build, renovation, or expansion, JHS Group is dedicated to creating functional and aesthetically pleasing commercial spaces that drive business success.
Expert Commercial Maintenance Services for Leading Brands
At JHS Group, we pride ourselves on delivering top-notch commercial maintenance services tailored to the needs of prominent businesses, including Starbucks and Walmart. Our dedicated team ensures that your commercial properties remain in pristine condition, providing routine inspections, preventative maintenance, and prompt repairs. We understand the importance of maintaining a safe and efficient environment for both employees and customers, and our comprehensive maintenance solutions are designed to minimize downtime and extend the lifespan of your assets. With our commitment to excellence and a proven track record of working with leading brands, JHS Group is your trusted partner in commercial maintenance.
Full-Scope Airbnb Project Solutions
At JHS Group, we offer full-scope Airbnb project services, specializing in the creation and management of tiny home cabins. From the initial stages of land management and site preparation to the final installation and utility hookups, our team handles every aspect of the project. We ensure that each tiny home cabin is constructed to the highest standards, providing a unique and comfortable experience for Airbnb guests. Our comprehensive services include design, construction, landscaping, and ongoing maintenance, making us a one-stop solution for your Airbnb project needs. With a focus on quality and customer satisfaction, JHS Group transforms your vision into a thriving and profitable Airbnb destination.