CAGE
CAGE Codes
  • 4YED1
DUNS
DUNS Codes
  • 793518866
NAICS
NAICS Codes
  • 811212
  • 611420
  • 561210
  • 541611
  • 541519
  • 541513
  • 541512
  • 541511
  • 541330
  • 518210
  • 485999
  • 238210
  • 236220
  • 236210
  • 541715

Who We Are

Sinew Management Group was founded in 2006. From our headquarters on the Fort Berthold Indian Reservation in North Dakota, we successfully provide contracting services to several federal agencies in multiple states across the country.

 

We belong to the award-winning Mandaree Enterprises family of companies, which are owned and operated by the MHA Nation.

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