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

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.

Eichhorn & Eichhorn, LLP is a trusted litigation firm serving Indiana and Illinois. Our attorneys have cultivated a diverse set of practice areas while representing a variety of businesses and entities, big and small. We have a reputation for winning difficult cases, while maintaining integrity and respect for our clients. Our main office is in Northwest Indiana, just thirty minutes from downtown Chicago and conveniently located near the U.S. Northern District federal court and several Lake County, Indiana courts. Our Indianapolis office allows us to efficiently serve our clients in Marion County and its collar counties, as well as our clients in central and southern Indiana. And our newest office, which opened in the Spring of 2014 in Mishawaka, is ideally located to serve our growing list of clients in throughout the South Bend / Mishawaka area.

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.

We are a full service CPA firm serving Northwest Indiana and the Chicagoland area. We offer tax, assurance, payroll, payroll tax preparation, business valuation, estate planning, and consulting services. Founded in 1919, the firm has a long-standing tradition of providing excellent service to our clients, businesses and individuals alike.

Organized, advised and represented business entities in formation, litigation, sales/acquisitions, and real estate matters. Represented businesses, banks, and individuals in bankruptcy/foreclosure and collection proceedings. Represented governmental entities including the City of Valparaiso, Town of Porter, Town of Westville and the Gary/Chicago International Airport Authority.

Since 1975, SKDO, P.C. Accountants and Advisors, of Bourbonnais, IL has been providing a full range of accounting and advisory services to the small business community and individuals of the Kankakee area and surrounding communities. We, along with our affiliate, Solutions for Wealth Management, are committed to providing our clients with service that goes “Beyond the Bottom Line”. What this means to us is that; while we pride ourselves in creating accurate and meaningful financial statements, we also, along with our clients, analyze the numbers to identify patterns and situations that help in the decision making process. We at SKDO are committed to: Determining the needs of our clients Addressing clients needs with innovative proactive solutions Providing accurate and timely information and service Long term productive relationships with our clients Keeping abreast of the ever-changing professional standards and requirements. Being on the cutting edge of our changing profession.

Odelson, Murphey, Frazier & McGrath, Ltd. understands the limited resources available to the many municipalities, school districts, local governments, and private clients we serve. Our firm commits to provide affordable and quality legal work by putting the needs of our clients first. ​ We pride ourselves in practicing preventive law. Always accessible, we believe in advising our clients — as vital decisions are being made — to protect them from potential liability and costly lawsuits. Through strong working relationships, Odelson, Murphey, Frazier & McGrath, Ltd continues to save its clients hundreds of thousands of dollars annually in unnecessary litigation costs and fees.