Postes actifs de Sam Mammen
| Sociétés | Poste | Début | Fin |
|---|---|---|---|
Asteria Learning, Inc.
 Asteria Learning, Inc. Publishing: Books/MagazinesConsumer Services ECS Learning Systems, Inc. publishes test-prep materials. Its products include product catalog includes thousands of activity books, workbooks, test-preparation materials, and other resources for reading, writing, and thinking skills. The company was founded in 1982 by Sam Mammen and Lori Mammen and is headquartered in Bulverde, TX. | Directeur/Membre du Conseil | 01/01/1982 | - |
| Fondateur | 01/01/1982 | - | |
| President | 01/01/1982 | - | |
Novel Units, Inc.
 Novel Units, Inc. Publishing: Books/MagazinesConsumer Services Novel Units, Inc. engages in the publication of test-prep materials. It offers teacher guides, and student packets products. It distributes its product through the following category: literature guides by grade, award winners, title in the movies, Shakespeare, eBook bundles, and Spanish Novel Units. The company was founded in 1987 and is headquartered in San Antonio, TX. | Directeur/Membre du Conseil | - | - |
| President | - | - |
Historique de carrière de Sam Mammen
Statistiques
Internationale
| Etats-Unis | 3 |
Opérationnelle
| Director/Board Member | 2 |
| President | 2 |
| Founder | 1 |
Sectorielle
| Consumer Services | 3 |
Fonctions occupées
Actives
Inactives
Sociétés cotées
Entreprise privées
Sociétés liées
| Entreprise privées | 2 |
|---|---|
Asteria Learning, Inc.
Asteria Learning, Inc. Publishing: Books/MagazinesConsumer Services ECS Learning Systems, Inc. publishes test-prep materials. Its products include product catalog includes thousands of activity books, workbooks, test-preparation materials, and other resources for reading, writing, and thinking skills. The company was founded in 1982 by Sam Mammen and Lori Mammen and is headquartered in Bulverde, TX. | Consumer Services |
Novel Units, Inc.
Novel Units, Inc. Publishing: Books/MagazinesConsumer Services Novel Units, Inc. engages in the publication of test-prep materials. It offers teacher guides, and student packets products. It distributes its product through the following category: literature guides by grade, award winners, title in the movies, Shakespeare, eBook bundles, and Spanish Novel Units. The company was founded in 1987 and is headquartered in San Antonio, TX. | Consumer Services |
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