dominionenergy.com · Renewable energy · 10,001+ employees
Last seen 4 Sep 2026
The most recent date Firmable detected IBM OS/390 at this company.
Decision makers · 2.6K+ on fileSenior people on file at this company. Firmable holds their names, emails and mobiles.
Vice President Electric Transmission Engineering & Field OperationsMobileEmail
Vice President - Project Execution, Electric TransmissionMobileEmail
Unlock names, emails and mobiles in the trial.
Signals Recent events at this company, such as a leadership change, funding or a new office.
Hired as chief AI and digital officer · 20 Jul 2026
Dominion Energy, Inc. invested into assets: transmission lines and substation in the amount of $98M in Virginia, United States, Northern America, Americas on Sep 18th '26. · 18 Sep 2026
A breakdown of the 136 companies running IBM OS/390.
Top industries
Information technology and services50
Financial services31
Professional and business services12
Health and wellness8
Media and telecommunications8
Construction and building5
Education and training3
Resources, energy and utilities3
No industry recorded: 3
Company size
1–108 (6%)
11–5013 (10%)
51–25018 (14%)
251–50013 (10%)
501–1,0004 (3%)
1,001–5,00019 (15%)
5,001–10,0006 (5%)
10,001+50 (38%)
Share of companies with a recorded size, by employees.
No size recorded: 5
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Frequently asked questions
About the IBM OS/390 data on this page.
How many companies use IBM OS/390?
Firmable holds confirmed IBM OS/390 detections for 136 distinct companies, 11 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use IBM OS/390?
Crawford Technologies, DanSources Technical Services and EY are among the most prominent in the current set.
What industries use IBM OS/390?
Information technology and services, financial services and professional and business services lead the set, across 16 industries in total.
What size companies use IBM OS/390?
Adoption concentrates in the 10,001+ employee band, across the companies whose size is recorded.
Where are IBM OS/390 users based?
The United States, Canada, Australia and the Philippines account for most detections, across 13 countries.
How current is this data?
11 companies were confirmed in the last 90 days. Last detection 5 September 2026.
