![]() 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. | ![]() Gakkyusha Gakkyusha (株式会社学究社) is a public education services company that operates the ena network of cram schools and preparatory centers. | |
Founding Date | Founding Date 1981 | Founding Date 1976 |
Type | Type Private | Type Public |
Tags | ||
Locations | Locations Scotts Valley, US HQ | Locations Tokyo, JP HQ Toronto, CA Düsseldorf, DE Tokyo, JP Tokyo, JP Scarsdale, US |
Employees | Employees 4271% increase | Employees 4997% decrease |
Financial | ||
Revenue (est.) | Revenue (est.) $22.5m (FY, 2023) | Revenue (est.) ¥13.3b (FY, 2025) |
Cost of goods | Cost of goods $16.8m (FY, 2023) | Cost of goods ¥8.1b (FY, 2025) |
Gross profit | Gross profit $5.7m (FY, 2023) | Gross profit ¥5.2b (FY, 2025) |
Net income | Net income ($566.2k) (FY, 2023) | Net income ¥1.9b (FY, 2025) |

Gakkyusha (株式会社学究社) is a public education services company that operates the ena network of cram schools and preparatory centers.
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