About Keymark

About Us

Keymark Overview

The Keymark Company is a vertically integrated Construction and Building Services Company. The Construction group typically sees a construction volume of $8 million a year in medical, light commercial and multifamily construction. Keymark offers its clients a full service product including full construction, build to suit commercial or custom residential construction. The professional and experienced staff here make Keymark the company you can count on.

Our Team

Jacob A. Hellmann P.E. LEED AP


Jacob is responsible for all aspects of the company including development planning, pre-construction, contract negotiation, cost control and client relationships.

Prior to joining Keymark, Jacob worked for Duke Realty Corporation as a Construction Project Manager. While at Duke, Jacob managed various medical, office, retail and industrial projects. Many of these projects were in excess of $40 million and located throughout the state of Ohio.

Jacob is a Licensed Professional Engineer and also an Accredited Professional by the U.S. Green Building Council for Leadership in Energy & Environmental Design (LEED).

Jacob earned a degree in Civil Engineering from the University of Dayton.


William D. Wyres

Construction Operations Manager

William is responsible for all aspects of the field construction process including site supervision, scheduling, safety, quality control and overall coordination of field operations.

William has worked in the Greater Terre Haute Area for over the last 30 years overseeing residential and light commercial projects. Projects have included full residential subdivisions, multiple restaurants, Greek housing and multifamily construction.

The experience William provides is essential when the owner is looking for valued engineering options. These cost savings are achieved through William’s thorough knowledge of alternate products and construction techniques.

William serves on the Board of Directors of the Home Builders Association of Greater Terre Haute.

Jordan S. Davidson

Accounting Manager

Jordan is responsbile for managing the accounting operations of the company, cash management and risk management.

Prior to joining Keymark, Jordan was a Staff Accountant with White Construction. 

Jordan earned a Bachelor of Business Administration in Accounting from Harding University.

Jordan currently serves as the President of the Wabash Valley Christian Youth Camp and has been a member of the Board of Directors since 2009. Jordan is also a member of the Terre Haute Young Leaders.

Stefanie R. Hellmann

Human Resources

Stefanie is responsible for employee relations, training and development, benefits, compensation, organizational development, and employment.

Prior to joining Keymark, Stefanie worked for Honda Engineering North America as an Engineer. She supported eight of Honda's Paint Departments throughout North America, Canada and Mexico.

Stefanie earned a degree in Chemical Engineering from the University of Dayton.

Stefanie currently serves on the Board of Directors of Farrington's Grove Historical District and served as President of the Board from 2014 - 2016.

Mike Thomas

Project Superintendent

Mike is responsible for supervising foremen, subcontractors, consultants and vendors at multiple job sites. He also schedules, performs quality control, monitors safety, and tracks various site compliance functions.

Mike came to Keymark Company after 12 years as an owner/operator of his own residential construction firm, working primarily near his home base in Parke County. A native of West Central Indiana, he earned an Associate’s degree in Construction Technology from Indiana State University.

In addition to his work, Mike has taught Journeyman Upgrade Systems for the Carpenters Union. At his home near Racoon Lake, family time includes boating, fishing and hunting.

Bryan Swan

Project Engineer

Bryan is responsible for working with project management and field supervisory staff to assist in the overall safety, direction, completion and financial outcome of construction projects from initial budget through closeout.

Bryan joined Keymark Company during his last semester (Spring ’18) at Indiana State University, while earning a degree in Construction Management. At Indiana State, he was Lab Manager at Indiana State’s Construction Lab.

He came to Keymark not only as an impending graduate, but also a seasoned professional, with previous experience as a Patient Care Assistant at Union Hospital, a Correctional Officer in Carlisle, Indiana, and as a member of the United States Marine Corps.

Bryan is a native of Terre Haute, living in Marshall, Illinois, with his wife and two children. He serves his congregation at Clarksville Baptist Church as a Deacon.

Karen Adams

Administrative Assistant

Karen manages the front office at Keymark Company and assists with construction-phase documentation. In the home office, she is at the front lines of phone, mail and administering daily operations. Within the construction-phase, she expedites bidding, invoicing, subcontractor correspondence and other documentation.

Prior to joining Keymark, Karen worked for Indiana State University for 14 years. This included work for its Educational Leadership Department, Army ROTC, Faculty Senate, Instructional & Information Technology, and served as Chair of Staff Council.

Karen is a native of Terre Haute. She earned a baccalaureate degree in Adult and Career Education through the Department of Human Resource Development & Performance Technologies (HRDPT) at Indiana State. In her free time, she is an avid gardener, artist, and member of the Terre Haute Rotary Club and 12 Points Revitalization Committee.