Our privately held company was founded in 1945 as a custom coil maker for the radio manufacturers clustered around the Chicago area. Today we produce inductors for a long list of customers in telecommunications, computers, instrumentation and consumer electronics. Many are standard, off-the-shelf products. But we also provide custom components designed to meet customers'​ specific requirements. Our basic product lines include: Surface mount RF inductors Surface mount power inductors Tunable and fixed RF inductors EMI filters LED driver magnetics Coilcraft's worldwide headquarters are in Cary, Illinois, 30 miles northwest of Chicago's O'Hare Airport. European headquarters are located in Cumbernauld, Scotland, near Glasgow. Production centers are strategically positioned throughout the world. Our diversity of locations offers several advantages to our customers. Engineering prototypes are shipped in a matter of days. Our domestic plants can quickly provide your pilot run requirements. And then full scale production can be done at an appropriate offshore plant for maximum economy and convenience to your own facilities. Manufacturing capabilities are duplicated at several locations, assuring you a steady supply of components.

Renishaw is one of the world's leading engineering and scientific technology companies, with expertise in precision measurement and healthcare. The company supplies products and services used in applications as diverse as jet engine and wind turbine manufacture, through to dentistry and brain surgery. It is also a world leader in the field of additive manufacturing (also referred to as 3D printing), where it designs and makes industrial machines which ‘print'​ parts from metal powder. The Renishaw Group currently has 80 offices in 36 countries, with over 5,000 employees, of which over 3,000 people are employed within the UK. The majority of the company's R&D and manufacturing is carried out in the UK and for the year ended June 2019, Renishaw achieved sales of £574 million of which 94% was due to exports. The company's largest markets are USA, China, Japan and Germany.

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.

Manufacturer of low-level gas detection systems and solutions. Our product portfolio includes colorimetric, electrochemical, catalytic bead, FTIR, and PID technologies to detect a wide array of gas hazards. We also offer routine maintenance and repair, product loaner options, and on-site field service support.

"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.

TechGlobal, Inc. is a woman-owned small business founded in Maryland in 2005 to provide information technology services and mission support services to Government at all levels. We are built of senior consultants and IT implementers that are ready to work with you on your most important projects. We are in the business of exceeding expectations.

MPCS is a technology leader in the manufacture of high reliability printed circuit boards. From simple product to high layer count multilayers, flex, rigid-flex, heat sinks and metal cores our engineering expertise provides quick response prototype and production quantities allowing our customers to compete in the fast paced, performance driven electronics marketplace. Our focus is on PCB prototypes/quickturn through production volumes from single sided up to 30+ layer multilayer boards including blind and buried via designs on a wide range of materials. We also specialize in flex and rigid-flex, heat sink and metal core fabrication, and copper plating of ceramic substrates. These products are manufactured to the highest quality level of IPC Class 3 commercial, MIL-PRF-31032/1/2/3/4, MIL-PRF-55110 GF & GI, MIL-P-50884 certified military requirements. UL recognized, ISO and RoHS compliant. MPCS is certified to ISO9001:2008. AS9100D (in progress). Our products are used in a very diverse range of applications Including Military, Aerospace, Medical, Transportation, Automotive, Telecommunications, Government Research, Industrial Controls, Audio and Video products and Agricultural electronics. We take a great deal of interest in our customer's business and strive to nurture a partnership that allows us to meet our common goals of achieving Total Customer Satisfaction. Our clients depend on us to fulfill our obligation to meet their needs and expectations of a Best-In-Class supplier. As a result, they have rewarded us with their loyalty and have enjoyed the growth that this bond has made possible. We are proud to be 100% American Made! www.midwestpcb.com

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.

TouchPad Electronics is a Wisconsin based circuit board manufacturing and design team dedicated to providing our customers with the highest levels of quality and customer service. Owned and operated by engineers, TouchPad provides comprehensive quick-turn PCB assembly and low-mid volume production. We offer PCB Layout and Electrical Engineering services in Cadence, OrCAD and Altium Designer. We enhance customer success in the development and creation of products requiring electronics assembly through our commitment to service. Our mission is to provide unmatched technical value to our customers by applying a superior process, with a sense of urgency and innovation to deliver timely results and product excellence. For more information on how TouchPad can assist you, call 262-378-3000 or email us at [email protected]. Certifications -ITAR Registered -IPC class 3 -ISO 9001:2015

oelheld develops and supplies lubricants all over the world. Our coolants are specialized for metalworking. oelheld was founded in 1887 by Carl Christian Held in Stuttgart. In 2012 oelheld celebrates its 125th company anniversary. Especially for dielectric and grinding oils on PAO-basis oelheld is leading worldwide. For oelheld, current research projects are a catalyst for the continuous development of existing products. New solutions for current applications and customer-specific requests are developed by oeheld in its own technology centers.