Insights

Employee Ownership Advantage Customer Systems Integration, Inc. (CSI) highlights being the largest employee-owned Custom Engineering and Manufacturing Services and Systems Integration company in the United States, suggesting a potential alignment with procurement programs that favor employee-owned vendors and stakeholder-style collaboration for long-term engagements.

Scale and Stability With revenue in the 25-50 million range and a lean team of 11-50 employees, CSI presents an opportunity for outsourcing partners or suppliers to offer scalable, high-impact solutions without the overhead of large enterprise contracts, ideal for mid-market clients seeking cost-effective integration and testing services.

Technology Stack Fit CSI utilizes a mix of cloud, web, and collaboration tools (AWS, Office 365, WordPress, jQuery, Google Fonts API) which indicates openness to modernization and digital transformation projects, offering cross-sell opportunities in cloud services, cybersecurity, and CMS-driven customer portals for measurement and test systems.

Industry Positioning Positioned in Appliances, Electrical, and Electronics Manufacturing with applications in commercial and military testing, CSI can be targeted for government contractors, defense-related measurement and test equipment programs, and compliant manufacturing initiatives requiring integrated systems and testing solutions.

Expansion and Partnerships As a full-service provider for measurement, stimulation, and test systems, CSI may benefit from partnerships with suppliers of test equipment, simulation software, and systems integrators to pursue larger, multi-site deployments and broader R&D programs in both commercial and military sectors.

Similar companies to Custom Systems Integration, Inc. (CSI)

Custom Systems Integration, Inc. (CSI) Tech Stack

Custom Systems Integration, Inc. (CSI) uses 8 technology products and services including Amazon Web Services, WordPress, Google Fonts API, and more. Explore Custom Systems Integration, Inc. (CSI)'s tech stack below.

  • Cloud Hosting
  • Content Management System
  • Google Fonts API
    Font Scripts
  • jQuery
    Javascript Libraries
  • jQuery Migrate
    Javascript Libraries
  • jQuery Mobile
    Mobile Frameworks
  • Office Suites
  • FitVids.js
    Web Tools And Plugins

Custom Systems Integration, Inc. (CSI)'s Email Address Formats

Custom Systems Integration, Inc. (CSI) uses at least 4 email formats:
Custom Systems Integration, Inc. (CSI) Email FormatsExamplePercentage
First.Last@customsi.comJohn.Doe@customsi.com
77%
FLast@customsi.comJDoe@customsi.com
13%
First@customsi.comJohn@customsi.com
7%
FirstLast@customsi.comJohnDoe@customsi.com
3%

Frequently Asked Questions

What is Custom Systems Integration, Inc. (CSI)'s phone number?

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You can contact Custom Systems Integration, Inc. (CSI)'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 Custom Systems Integration, Inc. (CSI)'s official website and social media links?

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Custom Systems Integration, Inc. (CSI)'s official website is customsi.com and has social profiles on LinkedIn.

How much revenue does Custom Systems Integration, Inc. (CSI) generate?

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As of September 2026, Custom Systems Integration, Inc. (CSI)'s annual revenue is estimated to be $25M - $50M.

What is Custom Systems Integration, Inc. (CSI)'s SIC code and NAICS code?

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Custom Systems Integration, Inc. (CSI)'s SIC code is 8711 - Engineering Services and NAICS code is 335 - Electrical Equipment, Appliance, and Component Manufacturing.

How many employees does Custom Systems Integration, Inc. (CSI) have currently?

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As of September 2026, Custom Systems Integration, Inc. (CSI) has approximately 26 employees across 2 continents, including North America and Africa. Key team members include Director Of Development And Technology: M. S. and Sr. Project Engineer (hardware/Software): F. M. Explore Custom Systems Integration, Inc. (CSI)'s employee directory with LeadIQ.

What industry does Custom Systems Integration, Inc. (CSI) belong to?

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Custom Systems Integration, Inc. (CSI) operates in the Appliances, Electrical, and Electronics Manufacturing industry.

What technology does Custom Systems Integration, Inc. (CSI) use?

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Custom Systems Integration, Inc. (CSI)'s tech stack includes Amazon Web Services, WordPress, Google Fonts API, jQuery, jQuery Migrate, jQuery Mobile, Office 365 and FitVids.js.

What is Custom Systems Integration, Inc. (CSI)'s email format?

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Custom Systems Integration, Inc. (CSI)'s email format typically follows the pattern of First.Last@customsi.com. Find more Custom Systems Integration, Inc. (CSI) email formats with LeadIQ.

When was Custom Systems Integration, Inc. (CSI) founded?

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Custom Systems Integration, Inc. (CSI) was founded in 2001.
Custom Systems Integration, Inc. (CSI) logo

Custom Systems Integration, Inc. (CSI)

Appliances, Electrical, and Electronics ManufacturingNew York, United States11-50 Employees

Custom Systems Integration, Inc. (CSI) is an employee-owned engineering and manufacturing services and systems integration firm based in Endicott, New York. The company provides end-to-end support for measurement, stimulation, and test systems across commercial and military applications. Its operations cover projects of varying sizes within a full-service engineering and manufacturing framework.

CSI serves customers in the appliances, electrical, and electronics manufacturing sector that require integrated measurement and testing capabilities. With a relatively small to mid-sized workforce, the firm positions itself as a focused provider of customized systems and integration services within its industry.

Section iconCompany Overview

Phone number
SIC Code
8711 - Engineering Services
NAICS Code
335 - Electrical Equipment, Appliance, and Component Manufacturing
Founded
2001
Employees
11-50

Section iconFunding & Financials

  • $25M - $50M

    Custom Systems Integration, Inc. (CSI)'s revenue is estimated to be in the range of $25M - $50M

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