About STN Engineering At STN Engineering, we take pride in delivering exceptional engineering and design services that bring your vision to life — from concept to completion. With years of experience in the architecture, structural, civil, and MEP (mechanical, electrical, and plumbing) engineering fields, our team provides homeowners, builders, and developers with comprehensive, high-quality solutions tailored to their unique needs. When you work with STN Engineering, you’re not just hiring a service provider — you’re partnering with a dedicated team of professionals who care about your project as much as you do. We understand that every ho

RWPowell Architecture LLC, located in St. Charles, Missouri, is a professional architectural firm committed to delivering high-quality designs that enhance both aesthetics and functionality. Their expertise ranges widely, focusing on both residential and commercial projects. RWPowell Architecture LLC combines innovation and creativity with a deep understanding of architectural principles, making them a leader in their field.

Founded in 1987, G A Chott & Associates Inc. is a veteran-owned professional remodeling company located in Fenton, Missouri. Renowned for transforming living spaces into dream homes, they specialize in kitchen, bath, and basement remodels. Their team is known for quality workmanship, competitive pricing, and paying attention to detail on all projects. They also offer services such as carpentry, flooring, painting, and interior repairs. Serving St. Louis County, Jefferson County, and surrounding areas, G A Chott & Associates Inc. is committed to providing excellent customer service and delivering projects on time and on budget.

We work closely with our clients and gather information to learn about their layout and functional needs, and then through a multi-step design process, we take the time to develop each room and space per the client's requirements while also developing the design of the exterior of the home to meet their aesthetic wishes and design style preferences. We enjoy the process of learning about our client's functional needs and aesthetic preferences to help them through the design process to develop a project that exceeds their expectations.

Established in 2002, Riddle Design LLC is a dedicated service-based design firm situated in Saint Louis, Missouri. The team at Riddle Design takes pride in listening to their clients' dreams and translating them into a built form. They start their process by understanding the clients' goals and values, which guides their decisions throughout the entire project. With the capacity to handle projects up to $15 million, they bring a seamless collaboration to every project, benefiting clients with their smooth design and documentation process.

OSM, Inc., founded in 1995, is a distinguished architecture firm serving St. Louis, Missouri, and surrounding areas. They are committed to delivering superior design, cost-effective construction, and absolute client satisfaction. Emphasizing a team-building philosophy, OSM takes a leading role in communication, working closely with clients and contractors to meet all needs efficiently and effectively. As a single source of responsibility, they ensure a seamless and satisfactory journey for their clients.

Levine Associates, based in Saint Louis, Missouri, has been serving commercial and residential clients with architectural services for over 25 years. As a small, adaptable firm, they are committed to meeting the specific needs of each project. Their clients are often builders and developers, so they understand the importance of schedules and cost control. They strive for creative design while maintaining clear communication with everyone involved in the project. Their ultimate aim is the satisfaction of the client with the completed project.

MSM Design & Cabinetry, founded in 2005, is a locally operated firm in Ellisville, MO, also serving surrounding areas. With a team of four dedicated professionals, they offer full design services for all your remodeling needs, specializing in kitchens, master-baths, bars, and built-in application design. They take pride in providing both custom and stock cabinet options to fit every budget, along with their trusted sub-contractors for installation and construction work, ensuring many satisfied customers.

Level 9 Heating and Cooling, founded in 1962 and serving Washington, MO and surrounding areas, is a locally owned and operated HVAC company focused on providing premium heating and cooling solutions. Known for their expertise in servicing a wide range of HVAC products, they offer installations, repairs, and maintenance on systems that maximize efficiency and comfort. Their highly trained technicians are proficient in tackling HVAC challenges, from aging furnaces to unconventional air conditioners. With a promise of quality and dedication, Level 9 Heating and Cooling ensures your HVAC systems perform optimally from day one.

Founded in 1986, Galloway Building Services is a reliable and experienced St. Louis-based home inspection service located in Ballwin, MO. Specializing in resolving conflicts between contractors and clients, Galloway Building Services provides impartial and honest solutions about the state of properties. Their expert staff includes civil, structural, mechanical, and electrical engineers, as well as architects and attorneys. They offer construction consulting and serve as construction experts in dispute/conflict litigation. With Galloway Building Services, customers are protected from poor contractors and inspectors.