Our Reputation is Building
For well over a half-century, 620 Construction has been a proud member of the Medina community. From the humble beginnings of a land leasing company, to the respected Design/Build General Contractor it is today, 620 Construction has grown throughout the years and so has our reputation. In 2016, we further expanded our capabilities by joining the JHI Group of Companies. This has allowed us to provide the level of quality and service that our Clients have come to know and trust.
At 620 Construction, we build more than just buildings, we build relationships. As an employee-owned company, our employees have a vested interest in the success of your project. Our staff is focused to provide unparalleled service and value to exceed your expectation. As Owners, we know that when your project is successful, so are we.
Reliable construction professionals committed to providing quality service with integrity.
Our Core Values
The foundation of our company’s strength.
- Employee Safety
- Community Stewardship
- Total Customer Satisfaction
620 Construction is a Merit Shop contractor, belonging to the Associated Builders and Contractors Inc. We are also very proud to be a member of our local Chambers of Commerce and area Economic Development organizations.
- Northern Ohio ABC
- National Federation of Independent Business (NFIB)
- American Institute of Architects (AIA)
- American Society of Civil Engineers (ASCE)
- American Institute of Steel Construction (AISC)
- Medina County Chamber
Our Executive Leadership Team strives to move our organization forward by supporting our hard working employees and allocating resources where they need to be so our company will be successful.
Joel Copley is a Vice President of the JHI Group and President of 620 Construction division. Joel earned a master’s degree in Civil Engineering from Ohio University and is registered as a Professional Engineer in the state of Ohio. Working as a project manager for the company since 2000, Joel has helped develop a range of projects for many different clients. “I enjoy the variety of challenges that our business continually poses to us, there is never a dull moment. I am most proud of the relationships I’ve developed with many of our clients and am gratified for their continued trust in our organization to help them solve problems and propel their business.” Joel and his wife Kay were married in 1994 and have two grown children.
Dean brings over 32 years of construction experience to his current role as a Senior Architect for the 620 Construction team. He currently holds a Bachelor’s of Architecture from Kent State University and is an NCARB certified architect that has worked on a number of commercial and industrial projects. Dean believes that the best part of the Design/Build method adopted by 620 Construction is the cooperation and communication that exists between the Design and Construction entities of the company, which creates a multitude of efficiencies for the customer. When Dean isn’t designing buildings or running projects, he enjoys spending his free time outdoors, doing a number of different things such as hiking, fishing, and skiing.
Carol Curtin serves as the office manager for 620 Construction. With over 20 years of financial and administrative experience in the construction industry, she is a vital component of our team. Carol has extensive experience with the construction accounting process and is proficient in job cost reporting and invoicing. She prides herself on her problem-solving ability and her attention to detail. Carol is the first voice you will hear when you call 620 Construction and she looks forward to helping you start your construction journey.
Bruce Steiner brings over 40 years construction experience into his role as a Project Manager for 620 Construction. Bruce has always enjoyed working with his hands and started his construction career as a Tradesman who specialized in five different crafts. Using this construction knowledge, he has spent the last 30 years of his career in the roles of Estimator, Purchaser and Project Manager. In his seven years with 620 Construction, Bruce has served as the Project Manager on a number of notable projects and says his favorite was the Trillium Creek Dermatology Center because of the uniqueness of the project. A true craftsman, Bruce enjoys spending his spare time working on small projects in his woodshop and practicing his laser engraving skills.
Jeff Maurer is a Project Manager for 620 Construction and has over 18 years of project management and estimating experience. A graduate from The University of Akron, he has spent almost his entire professional career at 620 Construction. Jeff believes the most exciting part about being a Project Manager is being able to guide his clients through the building process while developing a lifelong construction relationship that will last long after the project is complete. When Jeff isn’t managing projects, he can be found spending time on the lake or on a soccer field.
Justin Kerner is one of the newest additions to the 620 Construction Team and serves as a Project Manager and Estimator. Since graduating from Bowling Green State University with a Bachelor’s in Construction Management, he has spent his entire career in a Project Management role and brings five years’ experience to his current position. In the time he has been with the company, he says that the culture and willingness of people to collaborate and help one another within the 620 Construction Team is what truly sets the company apart. Outside of construction, Justin is a huge sports fan and is always ready to talk about some Ohio State Football.
Mark Chase, PE
JHI Group President, CEO
Mark began his career with Janotta & Herner in 1995, serving as Vice President and Project Manager of many high priority jobs. Prior to his time with our company, he held Engineering, Project Management and Estimating positions for a local commercial/industrial design-build company. In 2011, Mark decided to change gears focus on investigating and repairing existing structures as a Senior Associate with a global firm of Engineers, Architects and Materials Scientists. As of early 2018, Mark has returned back to JHI Group Inc. as President and CEO and now oversees management of all three business units. Mark is a registered Professional Engineer in four states and has obtained bachelor degrees in both Civil Engineering and Construction Technology.
Corporate Treasurer, V.P.
Patti Anderson is the Corporate Treasurer of the JHI Group of Companies, which includes 620 Construction. She has been part of the JHI Group Team for over 28 years and has worked in almost every aspect of accounting during her career. When asked what she enjoys most about working with the JHI Group, she will tell you that the people and work atmosphere is what truly sets the company apart. In her free time, Patti enjoys spending time with her family and enjoys being outside.
JHI Group Vice President, COO
Jason Ott is our Vice President of Construction Operations and is a vital part of our building process. With countless industrial certifications and a construction knowledge spanning over 30 years, he is the JHI Group’s go-to problem solver. If a project presents a tricky situation, Jason is the one who comes up with a solution. Some of his favorite projects with the JHI Group are some of our most unique, such as lifting a car to the top floor of Firelands Regional Medical Center in Sandusky or replacing a 120-year-old Church steeple in Norwalk. Jason believes that our ability to complete a wide variety of projects, both big and small, is unique and is what makes the JHI Group of Companies such a great organization to work for.
ESOP – Employee Stock Ownership Plan
In 2016, 620 Construction became an ESOP Company by joining the JHI Group of Companies. Employee Owners realize the benefits of their ESOP account upon retirement and recognize that success is measured long-term. Consequently, our employees strive to make certain that each Client is satisfied and each project is successful because our Client’s success is directly proportional to our success. We will not sacrifice long-term quality for short-term gains. This philosophy guides our business, Client relationships and design considerations.
620 Construction is proud to be a member of the JHI Group of Companies. Organized in 2016, the JHI Group is a construction focused organization that consists of three different business divisions. 620 Construction, a Design/Build General Contractor located in Medina, Ohio; Janotta & Herner, a Design/Build Construction Company located in Monroeville, Ohio; and Firelands Fabrication, a Steel Fabricating Company located in New London, Ohio. Although all three of these companies are independent, they are integrated to share resources such as labor, equipment, and design capabilities, which allow each company to provide an even greater value to its Clients.
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