A breakdown of the 894 companies running Deltek ERP.
Top industries
Construction and building317
Professional and business services158
Information technology and services125
Industrial and manufacturing73
Government and public services56
Financial services34
Education and training25
Transport19
No industry recorded: 4
Company size
1–1012 (1%)
11–5045 (5%)
51–250201 (23%)
251–500137 (15%)
501–1,000110 (12%)
1,001–5,000200 (23%)
5,001–10,00059 (7%)
10,001+124 (14%)
Share of companies with a recorded size, by employees.
No size recorded: 6
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Frequently asked questions
About the Deltek ERP data on this page.
How many companies use Deltek ERP?
Firmable holds confirmed Deltek ERP detections for 894 distinct companies, 15 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Deltek ERP?
Calista Corporation, Pivotal Solutions and Commonwealth Associates, Inc. are among the most prominent in the current set.
What industries use Deltek ERP?
Construction and building, professional and business services and information technology and services lead the set, across 18 industries in total.
What size companies use Deltek ERP?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are Deltek ERP users based?
The United States, Australia, Canada and Indonesia account for most detections, across 13 countries.
How current is this data?
15 companies were confirmed in the last 90 days. Last detection 4 September 2026.
