Last seen 1 Sep 2026
The most recent date Firmable detected NEBOSH Diploma at this company.
Decision makers · 194 on fileSenior people on file at this company. Firmable holds their names, emails and mobiles.
Deputy Operations Director, Head of TunnelsMobileEmail
Strategic Optimisation & Efficiency Lead / Bid DirectorMobileEmail
Unlock names, emails and mobiles in the trial.
Signals Recent events at this company, such as a leadership change, funding or a new office.
Moved into E&S Tendering & Mobilisation Manager · 31 Aug 2026
Gamuda invests into assets: Hazelwood North Solar Farm and Battery Energy Storage System in Victoria, Australia, Australia and New Zealand, Oceania. · 4 Sep 2026
A breakdown of the 5.7K+ companies running NEBOSH Diploma.
Top industries
Industrial and manufacturing1.2K+
Construction and building871
Professional and business services505
Resources, energy and utilities345
Information technology and services323
Financial services305
Transport286
Education and training221
No industry recorded: 170
Company size
1–10266 (5%)
11–50384 (7%)
51–2501,014 (18%)
251–500653 (12%)
501–1,000672 (12%)
1,001–5,0001,404 (25%)
5,001–10,000459 (8%)
10,001+678 (12%)
Share of companies with a recorded size, by employees.
No size recorded: 245
One dataset. Four ways to sell.
Match the deepest technology intelligence against the most comprehensive data on companies and people – such as who is growing, raised capital or changed role – for pinpoint precision on GTM campaigns.
Competitor displacement
Find the accounts running a competitor today and go after them with the right argument.
Complementary tools
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Service partners
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Market insights
Map your total addressable market and track aggregated trends such as AI maturity.
Frequently asked questions
About the NEBOSH Diploma data on this page.
How many companies use NEBOSH Diploma?
Firmable holds confirmed NEBOSH Diploma detections for 5,775 distinct companies, 1,515 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use NEBOSH Diploma?
Omni Cable, LLC, Shiel Sexton and Replimune are among the most prominent in the current set.
What industries use NEBOSH Diploma?
Industrial and manufacturing, construction and building and professional and business services lead the set, across 19 industries in total.
What size companies use NEBOSH Diploma?
Adoption concentrates in the 1,001-5,000 employee band, across the companies whose size is recorded.
Where are NEBOSH Diploma users based?
The United States, Australia, Canada and Singapore account for most detections, across 13 countries.
How current is this data?
1,515 companies were confirmed in the last 90 days. Last detection 7 September 2026.
