14 Best Microwave Startups to Watch in 2025

The Definitive Seedtable Ranking of Microwave Startups

We track 71,000+ companies and rank them dynamically using our Seedtable Score – a score that uses quantitative and qualitative data points to signal the momentum behind a company. We then monitor the list manually leveraging our expertise as founders and investors.

There are 14 start-ups with an aggregate funding of $619.5m. The average funding per company in this subset is $44.2m.

Last update to the database: Feb 18, 2025. See changelog.

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Nitronex logo

Nitronex

Nitronex is a company founded in 1950 by Warren Weeks.

9

Funding Rounds

$104.9m

Money raised

3D Glass Solutions, Inc. logo

3D Glass Solutions, Inc.

3D Glass Solutions, Inc. (3DGS) is a private late-stage high-tech manufacturing business headquartered in Albuquerque, New Mexico.

4

Funding Rounds

$101.5m

Money raised

Menlo Micro logo

Menlo Micro

Menlo Micro has created an entirely new category of electronic switches with its Ideal Switch technology. Menlo is bringing more than 99 percent reductions in size, weight, power, and cost to dozens of industries such as medical, aerospace and defense, telecommunications, consumer electronics, industrial IoT, and test and measurement.

4

Funding Rounds

$256.7m

Money raised

Oewaves Inc. logo

Oewaves Inc.

Oewaves Inc. is a company founded in 2000 by Lute Maleki.

1

Funding Rounds

$15.0m

Money raised

Azimuth Systems logo

Azimuth Systems

Azimuth Systems Inc. is a company that offers mobile performance test solutions for network operators, device OEMs, chipset vendors and infrastructure providers.

5

Funding Rounds

$43.8m

Money raised

Nufern logo

Nufern

Nufern is a company founded in 2010.

1

Funding Rounds

GrammaTech logo

GrammaTech

GrammaTech is a leading developer of software-assurance tools and advanced cyber-security solutions.

1

Funding Rounds

$9.0m

Money raised

Indium Corporation logo

Indium Corporation

Indium Corporation is a Clinton, Oneida County, New York-based company founded in 1934.

1

Funding Rounds

$150.0k

Money raised

Ethertronics logo

Ethertronics

Ethertronics is a United States-based microwave company.

1

Funding Rounds

$4.0m

Money raised

Arralis logo

Arralis

Arralis is a leader in advanced millimeter-wave technology.

1

Funding Rounds

$53.3m

Money raised

1

Funding Rounds

$27.5m

Money raised

Bliley Technologies, Inc. logo

Bliley Technologies, Inc.

Bliley Technologies, Inc. is a microwave company founded in 1930.

1

Funding Rounds

$1.7m

Money raised

Innovationszentrum für Telekommunikationstechnik logo

Innovationszentrum für Telekommunikationstechnik

Innovationszentrum für Telekommunikationstechnik is a Germany-based company founded in 1997.

2

Funding Rounds

$1.1m

Money raised

Bluetest logo

Bluetest

Bluetest is a Sweden-based microwave company.

1

Funding Rounds

$900.7k

Money raised