Heinemann Information
Summary
Heinemann is a private company that has been in the industry for 48 years. The company currently specializes in the Publishing, Educational Materials areas. Its headquarters is located at Portsmouth, New Hampshire, USA. The number of employees ranges from 250 to 500. The annual revenue of Heinemann varies between 5.0M and 25M. To connect with Heinemann employee register on SignalHire.
Organization Website | heinemann.com |
Social Links |    |
Phone Number | 18002255800 |
Industries | |
Headquarters Location | 361 Hanover Street, Portsmouth, NH, 03801 US |
Employees Size | 100-200 employees |
Specialties | educational publishing, professional development, teachers |
SIC Code | 8200 |
DMA Code | Greater Boston |
Founded | 1978 |
Estimated Annual Revenue | $5.0M - 25M |
Operating Status | Subsidiary |
Competitors
Founded | Type | Employees | Revenue | Funding | |
|---|---|---|---|---|---|
| 1932 | Privately Held | 5.0K - 10K | 1.6B | $180M | |
| 1994 | Public Company | 100 - 250 | 12.5M | $0 | |
| 1909 | Public Company | 50K - 100K | 35.3B | $0 | |
| 1998 | Privately Held | 25 - 100 | 17.8M | $0 |
Employees Turnover 4 quarter 2025
Length of Employment
Employee tenure at Heinemann shows a diverse range of experience levels:
1% have been with the company for less than 1 year8% for 1–2 years5% for 3–4 years15% for 5–7 years9% for 8–10 years61% have over 11 years of service at Heinemann
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