Tamsin Design Group

Full service interior design company for residential and commercial clients. We are truly committed to giving our clients an enjoyable experience from the beginning of a project to the end. From really listening to what our clients wants and needs are, to seeing the little details and managing the big picture. We have vast resources for ordering furniture and finishes to ensure that our clients get a unique and custom look.

The Design Source Limited

At The Design Source Limited, we want you to fall in love with your home over and over again. Our sincerest wish is for our clients to love their homes more tomorrow than they do today.

To achieve this result, we embrace a design philosophy that’s focused on you, not the latest design trends. So, while our talented designers create award-winning interiors that are stunning to look at, the end result is a personal space that supports the well-being and uplifts the spirits of the people who live there.


The smarter way to certify Green Homes and Projects. HomeNav is a “done for you” solution that offers an easy to use format, smart home inventory tool and resource library to help you meet your green certification requirements with ease. HomeNav is patent-pending and is a Home Innovation Research Labs NGBS Green Certified™ Product. It earned the state of Missouri Woman Business Enterprise certification under its parent company, Sustaining Spaces, LLC.

EFS Energy

As the premier energy-saving solar panel installation company in St. Louis and the Midwest, EFS Energy is focused on helping our customers achieve energy independence by reducing usage and generating clean, renewable energy. Our team specializes in residential, agricultural and commercial customized solar installations. We have the experience and skills to design and install custom solar systems based on each customer’s needs.

The Sound Room

soundroomThe Sound Room in Chesterfield is the premier home entertainment provider and systems integrator in Missouri and was named Best Specialty A/V Retailer in the United States by TWICE Magazine. Since 1983 we have served our clients as both a retailer and custom systems installer. Over the years, we have continually expanded product offerings and services as the home entertainment industry has changed.


SmartHouse Home Performance Experts has more experience than any other Energy Efficiency company in St.Louis. They are experts in building science – understanding how energy, moisture, and air moves throughout your home, all of which can affect comfort, energy efficiency, and your home’s durability.

smarthouse_logoSmartHouse works closely with R.E.A. clients to painstakingly create the optimum system for maximizing home comfort, indoor air quality and energy efficiency. SmartHouse also inspects and tests the installation of comfort and energy efficiency related systems throughout the construction process to provide independent, third-party validation of the quality being installed in your home.

All SmartHouse Home Performance Specialists are certified by the Building Performance Institute (BPI), a nationally recognized training, certification, and accreditation body. In addition their staff also includes engineers, architects, LEED AP’s, HERS raters and Certified Green Professional’s (CGP). SmartHouse is our secret weapon for making sure that your new home is as comfortable and efficient as it is beautiful and luxurious.

Schaub+Srote Architects

Schaub+Srote specialize in creating high-end custom residential estate homes. They have created award-winning master planned custom homes, communities and model homes, spec homes, additions and renovations, and provided other consultation services. In addition to their residential clientele, they have also found success in high-end many light commercial projects.