

DDI | Development Dimensions International Information
Summary
DDI | Development Dimensions International is a private company that has been in the industry for 56 years. The company currently specializes in the Human Resources, Management Consulting Services, Business Support Services areas. The position of the CEO is occupied by Tacy Byham. Its headquarters is located at Bridgeville, Pennsylvania, USA. The number of employees ranges from 1.0K to 5.0K. The annual revenue of DDI | Development Dimensions International varies between 100M and 500M. Total funding of the company - $5M. To connect with DDI | Development Dimensions International employee register on SignalHire.
Organization Website | ddiworld.com |
Social Links | |
Phone Number | 1-800-933-4463 |
Industries | |
Headquarters Location | 1225 Washington Pike, Bridgeville, PA, 15017 US |
Employees Size | 1000-5000 employees |
Specialties | Leadership Development, Leader Selection, Behavioral Interviewing, Performance Management, Performance and Execution, Succession Management, Talent Audit, Talent Analytics, Executive Assessment, Human Resources Consulting |
SIC Code | 8742, 7380 |
DMA Code | Greater Pittsburgh |
Founded | 1970 |
Estimated Annual Revenue | $100M - 500M |
Operating Status | Independent Company |
Competitors
Founded | Type | Employees | Revenue | Funding | |
|---|---|---|---|---|---|
| 1969 | Public Company | 5.0K - 10K | 1.8B | $164.5M | |
| 1997 | Public Company | 500 - 1.0K | 204.2M | $0 | |
| 1995 | Privately Held | 1.0K - 5.0K | 350M | $0 | |
| 1987 | Privately Held | 100 - 250 | 25M | $0 |
Estimated Website Traffic
The chart shows a decline in traffic to the ddiworld.com website. In December, traffic decreased to 548, compared to 1342 in the previous month. The highest traffic in 2025 was recorded in July, reaching 117075 visits.
Employees Turnover 4 quarter 2025
Number of employees switched from or switched to
Length of Employment
Employee tenure at DDI | Development Dimensions International shows a diverse range of experience levels:
3% for 1–2 years10% for 3–4 years11% for 5–7 years11% for 8–10 years66% have over 11 years of service at DDI | Development Dimensions InternationalEx-employees positions
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