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First Source, INC.

Doing business as First Source INC
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www.firstsourceinc.com
Homepage of First Source, INC.
Their homepage, crawled JUL 31, 2026
At a glance
EmployeesNot reported
In business since1985
HeadquartersPost Falls, ID
SAM.gov UEIZKNUFNYAF372
CAGE code0JHX2
Incorporated inCA
LISTED ON FACTORYREGISTRY67%SOURCE COVERAGE

Brands

Midwest MicrowaveMidwest MicrowaveAmphenol CDIAmphenol CDIRF IndustriesRF Industries

This company sells these brands.

First Source Inc. is a manufacturer's representative and stocking distributor specializing in RF, Microwave, Lightwave, and Millimeterwave components. The company holds ISO 9001:2015 and AS9120B certifications and is registered with the Department of Defense.

Summarized from the company’s own website

Supplier designations

For Profit OrganizationSubchapter S Corporation

Self-certified by the company in its SAM.gov registration

Certifications

AS9120ISO 9001

Their plant

FacilityCityStateEmployeesStatus
First Source, INC.Post FallsID— ACTIVE

Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.