DATAIR has been a leading provider of solutions for employee benefits professionals since 1967. Our solutions include software and services for Defined Contribution, Defined Benefit, Sec. 125, HRAs, HSAs, and 132(f) Transportation Plans, as well as proposal, testing, administration, documents, and government reporting.

Since 1935, Klein, Thorpe & Jenkins, Ltd. has represented private corporations and local governments. We also provide wealth planning and business succession services in Chicago, and throughout Illinois. Our firm represents a host of local governmental entities, including school districts, local libraries, library districts, library systems, cities, villages, fire protection districts and other special districts. Attorneys at our firm provide a diverse range of general legal services to private corporations and individuals in the areas of corporate, environmental, real estate, zoning, and wealth planning and business succession law. Our clients feel confident that we are using the most effective and cost-efficient strategies to reach their objectives.

Located in Burr Ridge, Illinois, Goldstine, Skrodzki, Russian, Nemec and Hoff, Ltd. is a west suburban Chicago law firm, established more than 50 years ago. Our clients include individuals, closely-held businesses, publicly-traded companies, and governmental entities in need of legal assistance in the areas of business and corporate law, construction law, employment and labor law, land use and development, local government, real estate law, estate and tax planning, family law, and related litigation. Many of our client relationships span generations, testament to our firm’s dedication to lifetime partnerships, integrity, responsiveness and quality. The service we provide is more than book knowledge of the law. Our service is a commitment and an investment in knowing – who our clients are, what they do, and why they do it. We invite you to visit the LinkedIn pages of some of our attorneys and their respective practices, or visit our website for more information about our firm: www.gsrnh.com

The Regent Group is a national executive search and leadership consulting firm with advanced expertise in insurance, risk management and healthcare industries. We help organizations address essential business needs and identify the top talent needed to execute on their strategy. With over two decades of recruiting success, our clients range from venture-backed startups to global Fortune 500 companies. We offer a broad array of client services including executive search, professional recruiting, board director search, recruitment process outsourcing and employer branding. We deliver a multi-faceted approach utilizing direct sourcing, proprietary databases, technology sourcing and the strength and knowledge of our research group providing a tailored approach for each client. Our extensive national reach, multi-channel sourcing and targeted recruitment strategies allow us to attract a pool of highly qualified candidates to ensure successful hires.

McCrone Associates is focused on solving the most difficult materials and particle identification problems along with the day-to-day analysis needs of clinical laboratories, scientific researchers, business organizations, and government agencies worldwide. McCrone Associates’ scientists consult directly with clients, and use the most advanced microanalytical techniques and instrumentation to solve their problems. McCrone Associates is a member of The McCrone Group. The McCrone Group is regarded as "The Premier Microscopy Resource"​ and combines the talents and skills of its staff in the areas of materials analysis, instrument sales, and education. The McCrone Group includes McCrone Associates, Inc.; McCrone Microscopes & Accessories, LLC; Hooke College of Applied Sciences, LLC; the McCrone Atlas of Microscopic Particles; and ModernMicroscopy.com.

Raths, Raths & Johnson, Inc. (RRJ) is a nationally recognized engineering, architecture, and forensics consulting firm that provides investigative, design, repair, and testing services for building structures, enclosures, and materials. With a professional staff of structural engineers, architects, and field / laboratory technicians, RRJ employs an evaluation methodology that combines an in depth knowledge of building sciences and construction materials with the firm's analytical and testing capabilities to deliver an integrated approach to assess and resolve structural, architectural and building system behavior and performance issues. RRJ's structural engineering and architectural expert services are augmented by its private laboratory and field testing capabilities. RRJ performs tests from ASTM standards to specific, customized methods including façade systems and curtain wall components, structural elements and components, and construction materials.

Edwin Hancock Engineering Co is a construction company based out of 9933 W Roosevelt Rd, Westchester, IL, United States.

Clingen Callow & McLean, LLC was founded in 1995 by a group of lawyers from a larger Chicago based law firm. The founders wanted to bring a more entrepreneurial spirit to representing their clients. These clients expect their attorneys to share a sense of ownership in their businesses and to “think like them.” We dedicate ourselves to helping our clients succeed and prosper while avoiding the inevitable pitfalls that accompany owning and operating a business. In an era of emails and texts, personal interaction remains important. We are proud of the reputation we have earned for tremendous and immediate responsiveness in responding to their needs. With our attorneys residing in and prominently serving their communities in Chicago and the surrounding counties, we can resolve our client's needs wherever they may arise throughout the Chicago metropolitan area.

Suburban Chicago based law firm with emphasis in local government, business, public pension, labor and employment, commercial transactions, estate planning and probate.

Hodges, Loizzi, Eisenhammer, Rodick & Kohn LLP is an Illinois law firm focused on the representation of school districts, special education cooperatives, charter schools, and other educational institutions and public bodies. We are committed to providing practical legal services unique to these critical sectors of our communities and believe in providing our clients with a solid foundation of legal support so they can focus on providing educational opportunities for students. Hodges Loizzi was founded in 1990 and today consists of seasoned veterans who are well known and highly respected throughout the state and the industry.

As a firm of trial attorneys, we understand the cost and risk associated with litigation. It is the mission of Langhenry, Gillen, Lundquist & Johnson, LLC to provide quality legal services that are responsive to the needs of our clients from the time we are retained throughout the litigation process. We achieve these results by working with our clients to develop an action plan that reflects the client’s goals and, above all, the client’s bottom line. We accomplish this by bringing a pragmatic and creative approach to our representation with an eye toward resolving issues in the most cost-effective manner, whether through negotiation, settlement, dispositive motion, or trial. In this way, we avoid pyrrhic victories and focus on implementing strategies to obtain the optimal result for our clients.

We are a full-service accounting and business advisory service with three offices in the Chicagoland area. With over 25 professionals on staff serving clients across the Midwest, we have the size to meet your needs and the personal service to exceed your expectations.