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We figured out the best professional companies to work for in Ohio using data on salaries, company financial health, and employee diversity. You can also search for the best professional companies to work for in any other state or city.

Zippia score 4.7
Kalypso, a Rockwell Automation (NYSE: ROK) business, helps clients fundamentally change the way they discover, create, make and sell products by powering innovation and autonomous operations with a digital value chain. From product ideation to production to the end customer, Kalypso provides professional services in strategy and change management, data science and artificial intelligence, enterprise technology, and managed services. Kalypsonians bring deep expertise in discrete, hybrid and process industries and serve clients around the world. For more information, visit https://kalypso.com. Follow @Kalypso on LinkedIn and @KalypsoROK on Twitter.
Zippia score 3.6
People are your most valuable asset, but it's the relationships between them that drive value. We can help you understand how, and to measure what matters ...
Zippia score 4.5
Robert Half is a professional services company and is the world's first and largest accounting and finance staffing firm. The company was founded by Robert Half in 1948 by providing professional staffing services. Robert Half is also now involved in risk consulting and internal audit services in addition to its human resources consultancy business. The company reported revenues of US$4.2 billion for the fiscal year 2013.
Zippia score 4.0
RDL Architects specializes in Architecture for Residential, Commercial and Senior Care Communities as well as Placemaking and Interior Design.
Zippia score 4.0
Management Services
Zippia score 3.8
Area Temps, one of the leading staffing agencies in Cleveland and Akron, places qualified candidates into rewarding careers with top area employers.
Zippia score 3.3
Two decades ago Lewellyn Technology was founded with a focus on electrical safety training for maintenance workers. Hiring many experienced former maintenance workers, the company saw the opportunity to fill a need in the industry offering practical training taught by those experienced in their industry. In the past twenty years, Lewellyn Technology has grown into an industry leader in safety. With offering services in Arc Flash, Combustible Dust, and Lockout/Tagout safety, Lewellyn Technology has expanded its offering a wide range of safety services. From assessments and consulting to engineering and training, Lewellyn Technology has evolved beyond just electrical safety training. While our team of in-house, industry experts has grown since our founding, what hasn't changed is the practical, thorough, and company-wide commitment to workplace safety, whether our team is teaching an introductory course or examining a multi-building facility. That's just how we're wired.
| Rank | Company | Zippia score |
|---|---|---|
| 1 | Kalypso, A Rockwell Automation Business | |
| 2 | Relational Analytics |