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Companies using OpenAPI Specification

As of 14 October 2026, Firmable tracks 7,248 companies across 13 countries running OpenAPI Specification. See who they are, and who to call.

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Companies using OpenAPI Specification

Showing 5 of 7.2K+ companies

Corelight

corelight.com · Cybersecurity · 251–500 employees

Last seen 24 Aug 2026 The most recent date Firmable detected OpenAPI Specification at this company.

Decision makers · 158 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

CTO MobileEmail
VP, Sales Engineering MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

Hired as Chief Customer Officer · 27 Jul 2026

Corelight launched Agent Builder Library and Natural Language Query on Sep 15th '26. · 15 Sep 2026

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Synergy Group

synergygroup.net.au · Management consulting · 251–500 employees

Last seen 28 Jul 2026 The most recent date Firmable detected OpenAPI Specification at this company.

Decision makers · 158 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Executive Director, Information Technology MobileEmail
Executive Director, Digital and Technology MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

New Senior Manager– Workday Enterprise Solutions joined · 31 Jul 2026

Hiring: Architect - Manager · 21 Jul 2026

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RB Global

rbglobal.com · Computer software · 251–500 employees

Last seen 2 Sep 2026 The most recent date Firmable detected OpenAPI Specification at this company.

Decision makers · 187 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Vice President of Software Engineering MobileEmail
Senior Director of Software Engineering MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

Promoted to CFO · 6 Oct 2026

RB Global, Inc. had revenue of $1.66B on Aug 10th '26. · 10 Aug 2026

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Emerson Automation Solutions

emerson.kr · Machinery and equipment manufacturing · 251–500 employees

Last seen 5 Aug 2026 The most recent date Firmable detected OpenAPI Specification at this company.

Decision makers · 131 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Director, Plantweb Technology MobileEmail
Director- Engineering, Systems And Software MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

Hiring: Engineering Project Manager - Renewables · 8 Sep 2026

Hiring: Director of Technology · 2 Sep 2026

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Hillpointe

hillpointe.com · Construction · 251–500 employees

Last seen 4 Aug 2026 The most recent date Firmable detected OpenAPI Specification at this company.

Decision makers · 178 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Vice President of Development MobileEmail
Director of Engineering Services MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

Hillpointe invested into assets: Pointe Grand Citation in Lexington, Kentucky, United States, Northern America, Americas on Aug 12th '26. · 12 Aug 2026

Hillpointe opened new location in Palm Coast, Florida, United States, Northern America, Americas on Sep 30th '26. · 30 Sep 2026

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Who uses OpenAPI Specification

A breakdown of the 7.2K+ companies running OpenAPI Specification.

Top industries

Information technology and services3.2K+
Financial services1K+
Professional and business services844
Industrial and manufacturing437
Media and telecommunications236
Construction and building157
Education and training155
Art, sports and recreation150

No industry recorded: 223

Company size

1–10400 (6%)
11–50964 (14%)
51–2501,804 (26%)
251–500853 (12%)
501–1,000628 (9%)
1,001–5,0001,115 (16%)
5,001–10,000375 (5%)
10,001+738 (11%)

Share of companies with a recorded size, by employees.

No size recorded: 371

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Frequently asked questions

About the OpenAPI Specification data on this page.

How many companies use OpenAPI Specification?

Firmable holds confirmed OpenAPI Specification detections for 7,248 distinct companies, 2,019 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.

Which companies use OpenAPI Specification?

Corelight, RB Global and Synergy Group are among the most prominent in the current set.

What industries use OpenAPI Specification?

Information technology and services, financial services and professional and business services lead the set, across 19 industries in total.

What size companies use OpenAPI Specification?

Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.

Where are OpenAPI Specification users based?

The United States, Canada, Australia and Singapore account for most detections, across 13 countries.

How current is this data?

2,019 companies were confirmed in the last 90 days. Last detection 7 September 2026.

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