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Grain Management is a private equity firm focused on investments in the communications sector.
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David J. Grain
17 members
12 members
8 members
7 members
3 members
AST SpaceMobile
3 followers
AT&T
1108 followers
Vistar Media
T-Mobile
393 followers
Ribbon Communications
8 followers
InterDigital
5 followers
TextNow
4 followers
Boldyn Networks
Broadvoice
Kippa
53 followers
ATN International
2 followers
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