Our Story
Built on Craftsmanship. Rooted in Missouri.
Cornerstone Building Services was founded in Ozark, Missouri with a single guiding principle: deliver honest, high-quality construction for every client, every time. From our earliest residential projects to the commercial builds that now define the Ozark skyline, our founding team has remained hands-on at every stage. We are a local company built on local relationships, and we intend to stay that way.
Bryan Studyvin has 25 years of experience in the construction industry. Mr. Studyvin is the Owner of Cornerstone Building Services, a full-scale general contracting company specializing in commercial operations.
Mr. Studyvin is the Owner of Cornerstone Building Services, a full-scale general contracting company specializing in commercial operations. Bryan directly supervises the company’s sales, negotiating construction contracts, estimating, field operations including development and site infrastructure processes to substantial completion of all projects. His experience expands from large property renovations and conversions to new ground up projects. He has completed over 200 projects in the past 12 years.
Projects completed have been Hilton branded ground up 5- story hotels, hotel and apartment conversions, apartment complex developments, utility companies plan to operations, condominium developments, among many other successfully completed opportunities. Cornerstone was also selected to work inside Silver Dollar City that included park expansions with multiple projects inside the theme park.
Additionally, he specializes in budget analysis, value engineering ideas and implementation for cost saving factors built into the design and structural integrity of every project.
His experience in construction management services allows an optional extension to clients beginning with the early design phase of projects until successful project completion. This project aspect includes expanding the client relationship in working alongside their team of architects, engineers, and city inspectors and utility companies to achieve design goals that allow for streamlined construction with efficient pre-planning for project performance and success. His construction management responsibilities are streamlined throughout the duration of the project to manage all construction aspects such as field management, work performance, project cost and completion targets, inspections, client reporting measures, and overall entirety project review until substantially complete.
The success of his career is driven by work motivation and his drive to establish client relationships, while demonstrating attention to all details that projects entail with the highest regard in mind to turn projects quickly to clients respecting their capital investment is new asset contributing to their successful portfolio.
The People Behind the Projects

Cornerstone Building Services is owned and operated by SAW Construction, LLC. Our Business Owner is Bryan Studyvin, who has many years of experience in many specialty trades of construction and general contracting. Bryan supervises all jobs, ensuring customer satisfaction and quality job performance.
For over 25 years our team has provided competitive jobs sales and a high standard of supervision in the construction industry and continues to do the same today. Bryan and the rest of our team will see that your project is fulfilled so that you can see your vision turned into a completed dream built from ground up!
We promote principles of hard work and honesty to ensure customer satisfaction while building your dreams. Please contact us for a free estimate on any of your construction needs.
Bryan Studyvin
Owner
bstudyvin@cornerstonebuilding.us
January Studyvin
Co-Owner
jstudyvin@cornerstonebuilding.us
Lori Sweazey
Office Manager
office@cornerstonebuilding.us
Makenzie Hudson
Office administrator Mhudson@cornerstonebuilding.us
Austin Phillips
Project manager/Superintendent aphillips@cornerstonebuilding.us
Darrin Embry
Superintendent
dembry@cornerstonebuilding.us
Dorothy Mueller
accounting
accounting@cornerstonebuilding.us

Michael Gillen
SITE ASSISTANT
MGillen@cornerstonebuilding.us
How We Work
Every Cornerstone project is guided by the same consistent values, from the first site walk through the final punch list. These principles are not aspirational language on a wall. They show up in how we estimate, how we schedule, and how we show up every morning.
Integrity First
We give honest assessments, honest timelines, and honest pricing. No surprises at close-out.
Craft Over Speed
Quality is non-negotiable. Every decision on-site prioritizes long-term performance over short-term convenience.
Owner-Level Accountability
Our principals stay personally involved on every project. You will always know who is responsible.
Serving the Greater Ozarks' Region
Cornerstone Building Services is headquartered at 1485 Goldenrod Road, Ozark, Missouri 65721 and serves clients across southwest and central Missouri. Our primary service area includes the greater Springfield-Ozark corridor and the surrounding communities throughout Christian, Greene, Taney, Stone counties.
We handle the full range of project types across the region, including ground-up commercial construction, apartments, duplexes and infill development. The team is available to discuss projects outside the immediate area on a case-by-case basis.
Contact Us
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Ready to Build Something?
Whether you are planning a commercial development or a remodel, Cornerstone is ready to talk. A member of the team responds promptly to emails and phone calls. We look forward to hearing from you!
417-337-5655






