Vendor:HORIZON Lab Systems, LLC

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HORIZON Lab Systems, LLC
Former type Incorporated
Industry Laboratory informatics
Professional services
Fate Merged
Successor CliniSys, Inc.
Defunct 03 October 2022[1]
Headquarters 8601 Six Forks Road, Suite 160, Raleigh, North Carolina, U.S.
Number of locations 1
Area served U.S.
Employees 30+

HORIZON Lab Systems, LLC developed and distributed laboratory informatics software solutions.


HORIZON Lab Systems was originally founded as ChemWare, Inc. in 1987, making its first commercial release of HORIZON LIMS in 1991.[2] In early 2004, the company won the Technology Quality Leadership Award from market research and analysis firm Frost & Sullivan.[3] ChemWare was acquired by New Resources Companies in early 2012, though ChemWare was allowed to continue to operate as an independent company.[4]

ChemWare was acquired again in January 2014 by the Dohmen Company, which also acquired Red Arrow Labs and Clinical Path Consulting.[5] ChemWare operated as a subsidiary of Dohmen (as ChemWare, LLC), though at some unknown point, ChemWare's HORIZON software was transferred to Dohmen's acquired Red Arrow Labs, LLC, which appeared to be developing it in the late 2010s.[6]

In roughly 2019 (time frame isn't fully clear), Red Arrow Labs was dissolved, ChemWare resumed development of HORIZON LIMS, and ChemWare changed its name to HORIZON Lab Systems, LLC, though it still operated as an affiliate of Dohmen (source: personal communications, Robert Benz).

On January 5, 2022, CliniSys Group Limited announced that it was acquiring HORIZON and its laboratory information management system (LIMS), adding that "[t]he acquisition extends CliniSys’ laboratory testing, diagnostics, and management capabilities further into the public health sector and related markets, such as environmental, water quality testing, public health, toxicology, and agricultural testing."[7] Nearly two weeks later, CliniSys announced it and HORIZON would combine with Sunquest Information Systems, Inc.[8], which CliniSys parent Roper Technologies acquired in 2016.[9] It was further reported that HORIZON LIMS may combine with Sunquest's LIS, Sunquest Laboratory. The same report suggested that "[t]he expanded firm will be known by the CliniSys name, although it’s possible that Sunquest will keep its branded product line."[10]

On October 3, 2022, HORIZON Lab Systems, LLC was officially merged into the new entity CliniSys, Inc., which was formerly known as Sunquest Information Systems, Inc.[1]

On October 4, 2022, CliniSys Group Limited announced the completion of "the combination of Sunquest Information Systems, HORIZON Lab Systems, and Apollo LIMS under its singular brand."[11] HORIZON LIMS appears to have become the base software for the Clinisys Laboratory Platform as a result.[12]

Technology and products


HORIZON LIMS was a LIMS described as "an efficient, configurable, secure and cost-effective solution to transform your lab."[13] The software could be installed locally or hosted via the SaaS distribution model.[14] The software was designed to adress the needs of multiple industries, including agriculture, cannabis, clinical diagnostics, environmental, public health, toxicology, and utilities fields.

See CliniSys, Inc. for more on the Clinisys Laboratory Platform, which is the former HORIZON LIMS software.[12]


  1. 1.0 1.1 "C202233400616 Statement of Merger - CliniSys, Inc" (PDF). Pennsylvania Department of State. 2 November 2022. Retrieved 24 January 2023. 
  2. "ChemWare > Corporate > About ChemWare". ChemWare, Inc. Archived from the original on 21 April 2013. Retrieved 15 December 2020. 
  3. "ChemWare, Inc. Receives the 2004 Frost & Sullivan Award for Technology Quality Leadership". Frost & Sullivan. 2 March 2004. Archived from the original on 07 March 2004. Retrieved 15 December 2020. 
  4. "New Resources Companies Acquire ChemWare". New Resources Consulting, LLC. 2 January 2012. Archived from the original on 14 May 2013. Retrieved 15 December 2020. 
  5. Kirchen, R. (3 January 2014). "Dohmen acquires two Milwaukee firms". Milwaukee Business Journal. American City Business Journals, Inc. Retrieved 24 August 2017. 
  6. "About: Who We Are". Red Arrow Labs, LLC. Archived from the original on 24 August 2017. Retrieved 24 August 2017. 
  7. "Clini‎Sys acquires HORIZON Lab Systems, LLC a leading laboratory information management system (LIMS) provider". CliniSys Group Limited. 5 January 2022. 
  8. "News & PressCliniSys Acquires HORIZON Lab Systems And Combines With Sunquest Information Systems CliniSys acquires HORIZON Lab Systems and combines with Sunquest Information Systems to create one of the world’s largest organizations dedicated to diagnostics and laboratory informatics". Sunquest Information Systems, Inc. 18 January 2022. Retrieved 26 March 2022. 
  9. "Roper Technologies Acquires CliniSys". CliniSys. 26 January 2016. Retrieved 26 March 2022. 
  10. Michel, R. (31 January 2022). "LIS Market Will Change After Oracle, CliniSys Deals". Dark Report. Retrieved 26 March 2022. 
  11. "Clinisys completes combination of Sunquest, HORIZON and ApolloLIMS businesses". CliniSys Group Limited. 4 October 2022. Retrieved 04 October 2022. 
  12. 12.0 12.1 "HORIZON LIMS - Lab Management Software". CliniSys, Inc. Retrieved 24 January 2023. 
  13. "Offerings: Transform Your Lab". Red Arrow Labs, LLC. Archived from the original on 20 September 2022. Retrieved 24 January 2023. 
  14. "Delivery: Your System Your Way". Red Arrow Labs, LLC. Archived from the original on 20 September 2022. Retrieved 24 January 2023.