American Telephone is an employee owned telecommunications company that has been proudly serving customers since 1982. We offer the latest technology in VoIP, traditional telephone systems, Unified Communications, and voice mail systems. We offer a variety of brands to better serve our customers and their ever-changing needs. American Telephone is an authorized dealer and/or supplier of phone manufacturers such as NEC, Mitel, and Hitachi. The voice mail products we provide and service are NEC, Mitel, AVST, NuPoint, and InnOvation. Service is the heart of American Telephone. We are truly dedicated to providing excellence in the telecommunications industry, and without exceptional customer service, this cannot be achieved. Proof positive is American Telephone's position as the leader in the hospitality industry and national accounts. This leadership demonstrates a valid example of the level of service we provide — 24 hours a day, 365 days a year. American Telephone also believes in relationships – relationships with its customers and employees. We employ talented, knowledgeable people who know the industry and care about the customer. We believe strongly in taking care of the customer after the sale and helping the customer to grow with their business. American Telephone would not be where it is today without our loyal customers.

MiTek is a construction technology leader on a mission to advance the adoption of offsite construction. MiTek exists to transform communities through more efficient and sustainable building methods. In 1955, MiTek changed residential construction with the invention of the Gang-Nail plate, providing an affordable and scalable way to manufacture wood trusses. Today, MiTek serves residential and commercial customers delivering software, services, engineered products, and automated solutions that optimize a more integrated Design-Make-Build™ approach to construction. By enabling upfront collaboration across the value chain, including architects, engineers, builders, component manufacturers, and more, we create a single source of truth that guides each design decision and unlocks the power of offsite construction. With more than 6,000 team members worldwide, MiTek enables the delivery of exceptionally streamlined builds, offering higher quality, increased speed, less waste, and more value, and in turn, transforming how the world builds. As a Berkshire Hathaway (NYSE: BRK-A, NYSE: BRK-B) company since 2001, MiTek has a record of continuous growth and innovation.

Ultratec is the world's leading developer of telecommunications technology that helps people with hearing loss communicate over the phone. Today, Ultratec's equipment and technology is recognized worldwide as the standard for excellence in text telecommunications.

"THE INDAK GROUP"​ an American company headquartered near Chicago Illinois with Manufacturing locations in Illinois, Wisconsin and Georgia offering a seven-decade history of design engineering and manufacturing excellence in Electronic and Electro​-Mechanical​ manufacture, design​ and assembly. The INDAK GROUP produces components​ for the Automotive, Medical Device​, Lawn and Garden, Heavy Truck, Off Road Recreation and Home Appliance industries.

The mission of the Illinois Chamber of Commerce is to aggressively advocate the interests of business to promote prosperity and opportunity for the citizens of Illinois. The Illinois Chamber of Commerce is a pro-business advocacy membership organization representing the state’s employers at the Capitol on issues of economic development and jobs, employment law topics such as workers’ compensation and healthcare, business taxes, and infrastructure investment.

Since 1979, Migatron has used advanced technology to solve difficult sensing and control problems across a broad range of industries. Many Migatron sensors installed in the 1980s have been running continuously 24 hours a day, 7 days a week without a breakdown to this very day – a testament to quality and durability. If our standard options don’t get the job done, we’ll design custom units to meet your needs.