Insights

Military Expertise Rex Systems Incorporated has over 50 years of experience in manufacturing military electronic components and assemblies, with a proven track record of fulfilling more than 5,000 U.S. military contracts. This extensive expertise positions them as a reliable partner for defense agencies seeking sophisticated, high-reliability electronic solutions.

Quality Certifications The company's ISO 9001:2015 certification and routine audits by defense standards agencies like DLA, DCMA, and DCAA demonstrate a strong commitment to quality and compliance, making them an attractive vendor for government and defense contracts requiring strict standards.

Manufacturing Scalability With a dedicated 60-acre industrial campus capable of scaling production to meet contract demands, Rex Systems can support large volume orders for military electronic assemblies, offering potential for increased partnerships as defense procurement needs grow.

Diverse Product Capabilities Their expertise includes reverse engineering, redesign engineering, and environmental testing of military electronic systems used in radar, sonar, missile guidance, and communication devices, allowing for opportunities in modernization and maintenance of existing defense systems.

Market Niche & Growth Despite current revenue under one million dollars, Rex Systems' specialized focus on defense electronics and its status as a small business open to government contracting suggests potential for growth through strategic defense sector collaborations and expanding military procurement programs.

Rex Systems Incorporated Tech Stack

Rex Systems Incorporated uses 8 technology products and services including Google Fonts API, RequireJS, TweenMax, and more. Explore Rex Systems Incorporated's tech stack below.

  • Google Fonts API
    Font Scripts
  • RequireJS
    Javascript Frameworks
  • TweenMax
    Javascript Frameworks
  • Polyfill
    Javascript Libraries
  • Zepto
    Javascript Libraries
  • reCAPTCHA
    Security
  • Bootstrap
    UI Frameworks
  • Google Analytics
    Web Analytics

Media & News

Rex Systems Incorporated's Email Address Formats

Rex Systems Incorporated uses at least 1 format(s):
Rex Systems Incorporated Email FormatsExamplePercentage
FLast@rexsystems.comJDoe@rexsystems.com
54%
LFirst@rexsystems.comDJohn@rexsystems.com
38%
FiLast@rexsystems.comJoDoe@rexsystems.com
8%

Frequently Asked Questions

Where is Rex Systems Incorporated's headquarters located?

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Rex Systems Incorporated's main headquarters is located at 10684 43rd Avenue Chippewa Falls, Wisconsin 54729 United States. The company has employees across 3 continents, including North AmericaAsiaSouth America.

What is Rex Systems Incorporated's phone number?

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You can contact Rex Systems Incorporated's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Rex Systems Incorporated's official website and social media links?

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Rex Systems Incorporated's official website is rexsystems.com and has social profiles on LinkedIn.

What is Rex Systems Incorporated's SIC code NAICS code?

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Rex Systems Incorporated's SIC code is 3761 - Guided Missiles and Space Vehicles NAICS code is 336414 - Guided Missile and Space Vehicle Manufacturing.

How many employees does Rex Systems Incorporated have currently?

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As of April 2026, Rex Systems Incorporated has approximately 13 employees across 3 continents, including North AmericaAsiaSouth America. Key team members include Chief Executive Officer: T. R.President: N. K.Owner: G. R. R.. Explore Rex Systems Incorporated's employee directory with LeadIQ.

What industry does Rex Systems Incorporated belong to?

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Rex Systems Incorporated operates in the Defense and Space Manufacturing industry.

What technology does Rex Systems Incorporated use?

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Rex Systems Incorporated's tech stack includes Google Fonts APIRequireJSTweenMaxPolyfillZeptoreCAPTCHABootstrapGoogle Analytics.

What is Rex Systems Incorporated's email format?

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Rex Systems Incorporated's email format typically follows the pattern of FLast@rexsystems.com. Find more Rex Systems Incorporated email formats with LeadIQ.

When was Rex Systems Incorporated founded?

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Rex Systems Incorporated was founded in 1973.

Rex Systems Incorporated

Defense and Space ManufacturingWisconsin, United States11-50 Employees

Founded in 1973 our main plant is located on a 60 acre industrial campus which is capable and scalable to meet a significant influx of contracts to manufacture highly reliable military electronic spare assemblies. 
Rex Systems Incorporate engineers, manufactures, and tests military electronic components and assemblies. RSI has performed as prime contractor on over 5,000 U.S. military contracts and provides superior quality and cost savings through innovation and rapid in-house development. Guided by over 50 years of DOD electronic contract leadership, RSI can rapidly and economically prototype and manufacture a diverse set of electronic components and assemblies.
RSI is certified as a small business.  The accounting system is routinely audited by DLA, DCMA and DCAA and is deemed acceptable for establishing pricing rates for negotiated contracts, claims, and progress payments.   The company is familiar with federal acquisition regulations and the requirements for standard representations, certifications, and qualifications. RSI is an ISO 9001:2015 certified company. 
RSI has a proven history as a DOD manufacturer of military electronic spare assemblies for systems previously designed and produced by major defense contractors. Manufacturing products include “build to print” spares and “build to specification” systems. Numerous engineering, manufacturing, quality, and test systems have been implemented to manufacture these assemblies. Supporting capabilities include approved quality system, CAD artwork generation, reverse engineering, redesign engineering, test procedure development, electronic testing, reliability testing, and environmental stress testing.  Products manufactured include assemblies to repair and maintain short and long-range radar, gun and missile fire control radar, submarine sonar, fathometers and signal data processors, tactical communication radios, and Identification Friend or Foe (IFF) transponder sets.

Section iconCompany Overview

Headquarters
10684 43rd Avenue Chippewa Falls, Wisconsin 54729 United States
Phone number
SIC Code
3761 - Guided Missiles and Space Vehicles
NAICS Code
336414 - Guided Missile and Space Vehicle Manufacturing
Founded
1973
Employees
11-50

Section iconMedia & News

Section iconFunding & Financials

  • $1M

    Rex Systems Incorporated's revenue is estimated to be in the range of $1M

Section iconFunding & Financials

  • $1M

    Rex Systems Incorporated's revenue is estimated to be in the range of $1M

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