Cornerstone Support Services: Detailed Company Information & Corporate Profile
Summary
Cornerstone Support Services is a private company. The business currently specializes in Renewables & Environment area. Cornerstone Support Services's headquarter is located at Darby, Pennsylvania, USA. The number of employees is at least 25. Register with SignalHire to connect with Cornerstone Support Services employees and management.
| Cornerstone Support Services Website | cssaudit.com |
| Phone Number | 1-610-583-9555 |
| Industries | Renewables & Environment |
| Company Size | 1-10 employees |
| Specialties | Lighting Retrofits, Electric Deregulation, Gas Deregulation |
| SIC Code | 6199 |
| DMA Code | Delaware Valley |
| Founded | 1994 |
| Estimated Annual Revenue | $10M - 50M |
| Operating Status | Independent Company |
| Updated: | 2026-06-02 |
Workforce Turnover
Length of Employment
Cornerstone Support Services's workforce includes employees across a wide range of tenure levels.
9% have been with the company for 1 to 2 years9% have been with the company for 3 to 4 years9% have been with the company for 5 to 7 years27% have been with the company for 8 to 10 years45% have been with the company for more than 11 years
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