DSA: Detailed Company Information & Corporate Profile
Summary
DSA, established in 1963, operates out of Trevose, PA with a workforce of 200–500 employees and annual revenues ranging from $1 billion to $5 billion. The firm specializes in IT services that secure critical infrastructure, deliver cloud solutions, manage smart & secure campus operations, and implement DevSecOps practices. It also provides expertise in OSIsoft PI systems, Microsoft SharePoint, and AI‑driven analytics.
DSA serves defense and federal partners such as the Army, Air Force, PEO EIS, NAVFAC, TS/SCI, NRC, DOJ, and Miltech, supporting mission‑critical data science and information technology needs. The company is employee‑owned, with a leadership team that includes Vice President Eoin ODriscoll (Critical Infrastructure), Vice President Paul Shiffka (Contracts), Senior GIS Analyst Cliff Elack, Power Platform/SharePoint Developer Eddie, Director Jonas Vogelhut, Program Budget Analyst Steve Mack, and others.
| DSA Website | dsainc.com |
| Industries | |
| DSA Headquarters Address | 8 Neshaminy Interplex Drive, Trevose, PA, 19053-6980 US |
| Company Size | 200-500 employees |
| Specialities & Services | critical infrastructure, Cloud , Smart & Secure Campus Operations, DevSecOps, OSIsoft, PI System, Army, Airforce, PEO EIS, NAVFAC, TS/SCI, NRC, DOJ, Miltech, Information Technology, Data Science, Microsoft, Sharepoint, ESOP, Employee-owned, Artificial Intelligence, AI |
| Technologies | jQuery, Bootstrap, Nginx, Stimulus, Magento, Foundation, PHP |
| Founded | 1963 |
| Estimated Annual Revenue | $1B - 5B |
| Updated: | 2026-09-20 |
Estimated Website Traffic
The chart shows a growth in traffic to the dsainc.com website. In August, traffic increased to 55299, compared to 50750 in the previous month. The highest traffic in 2026 was recorded in March, reaching 78086 visits.
Workforce Turnover
Number of employees switched from or switched to
Departmental sample breakdown
Length of Employment
DSA's workforce includes employees across a wide range of tenure levels.
1% have been with the company for less than 1 year3% have been with the company for 1 to 2 years8% have been with the company for 3 to 4 years11% have been with the company for 5 to 7 years9% have been with the company for 8 to 10 years68% have been with the company for more than 11 years
DSA Corporate Information: FAQ
Data Privacy
GDPR COMPLIANT
SignalHire complies with the General Data Protection Regulation (GDPR). SignalHire follows GDPR requirements, including but not limited to rights of data subjects to access, correct, or delete their personal information and supports the right to be forgotten.
CCPA COMPLIANT
SignalHire is CCPA-compliant and provides California residents the right to know, access, opt out, and request deletion of their personal data.
