New Construction
Shops, storage, offices, restaurants and light industrial facilities.
General Contracting · Ottawa, Illinois
A15 organizes the scope, schedule, trades and day-to-day decisions so owners can move a project forward with fewer gaps and clearer responsibility.
Owner-led project delivery
A good plan is only useful when the field work, materials, design decisions and owner expectations stay connected. A15 provides direct project leadership from Austin Decowski, backed by hands-on experience managing crews and coordinating concrete, site utilities, carpentry, steel systems and specialty trades.
We build the scope around the actual project—not a generic package—and identify responsibility before work starts.
Best-fit projects
A15 is best suited to owner-users and commercial clients who value direct access, experienced judgment and clear accountability.
Shops, storage, offices, restaurants and light industrial facilities.
Expansions, interior construction, phased improvements and occupied-site work.
Efficient structural systems for larger clear-span, operational and storage needs.
Early involvement makes scope, cost and scheduling decisions easier to control.