![]() ETR Associates ETR Associates (Education, Training, and Research Associates) is a private non-profit organization that offers science-based health and education products and programs. | ![]() American Physical Society American Physical Society (APS, APS Physics) is a nonprofit organization that promotes and diffuses the knowledge of physics through its research journals, scientific meetings, and international activities. | SPIE SPIE (Society of Photo-Optical Instrumentation Engineers) is a not-for-profit organization that supports the development of optical and photonic technologies. | |||
Founding Date | Founding Date 1919 | Founding Date 1874 | Founding Date 1981 | Founding Date 1899 | Founding Date 1955 |
Type | Type Private | Type Private | Type Private | Type Private | Type Private |
Tags | |||||
Locations | Locations Doral, US HQ | Locations London, GB HQ | Locations Scotts Valley, US HQ | Locations Berwyn Heights, US HQ Washington, US | Locations Bellingham, US HQ Cardiff, GB |
Employees | Employees 1,03712% increase | Employees 8471% increase | Employees 4271% increase | Employees 7523% increase | Employees 2103% increase |
Financial | |||||
Revenue (est.) | Revenue (est.) $46.8m (FY, 2024) | Revenue (est.) N/A | Revenue (est.) $22.5m (FY, 2023) | Revenue (est.) $57.2m (FY, 2020) | Revenue (est.) $59.7m (FY, 2024) |
Net income | Net income $4m (FY, 2024) | Net income N/A | Net income ($566.2k) (FY, 2023) | Net income $28.7m (FY, 2020) | Net income $6.5m (FY, 2024) |

Institute of Physics is a non-profit scientific research organization.
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ETR Associates (Education, Training, and Research Associates) is a private non-profit organization that offers science-based health and education products and programs.
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American Physical Society (APS, APS Physics) is a nonprofit organization that promotes and diffuses the knowledge of physics through its research journals, scientific meetings, and international activities.
View companySPIE (Society of Photo-Optical Instrumentation Engineers) is a not-for-profit organization that supports the development of optical and photonic technologies.
View company