First Interstate Bank

Company facts

Self-certified in SAM.gov: For Profit Organization
Entity structure: Corporate Entity (Not Tax Exempt)
NAICS codes registered in SAM.gov: 522110 Commercial Banking Primary

551111 Offices of Bank Holding Companies
Corporate family: First Interstate Bancsystem, Inc. Parent FKNKF3CFLT54

First Interstate Bank M4F9KMMWJR83
SAM.gov registration date: Sep 25, 2003
Physical address: First Interstate Center, 401 N 31st St 18Th Fl, Billings, MT 59101, USA
Website: firstinterstatebank.com
Founded: 1968
Employees: 1K-5K
Estimated annual revenue: $500M-$1B
Industry: Financials

Banks

Banking & Mortgages
SIC code: 60 Depository Institutions
Profiles: LinkedIn

Crunchbase

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated Mar 1, 2026.

First Interstate Bank's 5 most recent federal contract and grant awards, newest first. Amounts are dollars obligated.
Award	Agency	Obligated	Awarded
Lease Contract · GS08B1381511151	Region 8	$6,183	Apr 1, 2011
Lease Contract · GS08B1447511120	Region 8	$265	Apr 1, 2011
Lease Contract · GS08B1381511120	Region 8	$6,141	Apr 1, 2011
Lease Contract · GS08B1447511151	Region 8	$265	Apr 1, 2011
Lease Contract · GS08B1381511090	Region 8	$6,141	Jan 1, 2011

First Interstate Bank's Unique Entity ID (UEI) in SAM.gov is M4F9KMMWJR83.

First Interstate Bank's CAGE code is 3J7P2.

First Interstate Bank's primary NAICS code is 522110 (Commercial Banking).

First Interstate Bank's physical address in SAM.gov is First Interstate Center, 401 N 31st St 18Th Fl, Billings, MT 59101, USA.

Yes. First Interstate Bank's SAM.gov registration is active through February 9, 2027.

First Interstate Bank is part of First Interstate Bancsystem, Inc.

First Interstate Bank's most recent federal contract award is Lease (GS08B1381511151), from Region 8, on April 1, 2011.

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