Insights

Government focus ISSI serves Federal, State, and Local agencies and holds multiple government-facing contracts and channels (GSA MAS Schedule, CMS-SPARC, CIO-SP3, ITSSC II, Seaport-e, MD State CATS+, Prince George's CATS, WSSC CATS). This indicates recurring opportunities in public sector IT services, cybersecurity, and compliance-focused projects.

Compliance strengths With ISO 9001:2015, ISO 27001:2013, and CMMI Level 3 certifications, ISSI demonstrates robust quality management, information security, and process maturity. This positions the company strongly for security-cleared work, data protection mandates, and high-assurance programs sought by government and regulated clients.

Global delivery Offshore presence in Hyderabad and offices across California, Florida, and Dallas suggest a hybrid delivery model with cost-optimized resources and time-zone advantages. Sales opportunities exist in offering scalable staff augmentation, managed services, and global IT program support.

Small-to-mid market growth ISSI is a minority-owned small business with 51–200 employees and revenue between 50M and 100M. This profile appeals to agencies and programs prioritizing supplier diversity and agile, customer-centric engagements, suitable for large-scale RFPs seeking diverse vendors.

Digital capabilities A concise tech stack including web security controls, Microsoft IIS, Windows Server, jQuery, and cloud-relevant tools indicates readiness for modernization, legacy modernization, and frontend/backend integration projects. This creates cross-sell opportunities into modernization, cloud-adjacent services, and UI/UX modernization for enterprise clients.

Similar companies to International Software Systems, Inc.

International Software Systems, Inc. Tech Stack

International Software Systems, Inc. uses 8 technology products and services including Amazon Web Services, Unpkg, Amazon Simple Email Service, and more. Explore International Software Systems, Inc.'s tech stack below.

International Software Systems, Inc.'s Email Address Formats

International Software Systems, Inc. uses at least 4 email formats:
International Software Systems, Inc. Email FormatsExamplePercentage
FLast@issi-software.comJDoe@issi-software.com
82%
First@issi-software.comJohn@issi-software.com
15%
Last@issi-software.comDoe@issi-software.com
2%
FirstLa@issi-software.comJohnDo@issi-software.com
1%

Frequently Asked Questions

What is International Software Systems, Inc.'s phone number?

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You can contact International Software Systems, Inc.'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 International Software Systems, Inc.'s official website and social media links?

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International Software Systems, Inc.'s official website is issi-software.com and has social profiles on LinkedIn.

How much revenue does International Software Systems, Inc. generate?

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As of August 2026, International Software Systems, Inc.'s annual revenue is estimated to be $50M - $100M.

What is International Software Systems, Inc.'s NAICS code?

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International Software Systems, Inc.'s NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does International Software Systems, Inc. have currently?

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As of August 2026, International Software Systems, Inc. has approximately 81 employees across 2 continents, including North America and Asia. Key team members include Chief Financial Officer: E. R., Human Resources Manager: D. H. and Sr. Software Engineer: S. K. Explore International Software Systems, Inc.'s employee directory with LeadIQ.

What industry does International Software Systems, Inc. belong to?

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International Software Systems, Inc. operates in the IT Services and IT Consulting industry.

What technology does International Software Systems, Inc. use?

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International Software Systems, Inc.'s tech stack includes Amazon Web Services, Unpkg, Amazon Simple Email Service, Microsoft 365, Next.js, CFML, X-XSS-Protection and jQuery Waypoints.

What is International Software Systems, Inc.'s email format?

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International Software Systems, Inc.'s email format typically follows the pattern of FLast@issi-software.com. Find more International Software Systems, Inc. email formats with LeadIQ.

When was International Software Systems, Inc. founded?

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International Software Systems, Inc. was founded in 1995.
International Software Systems, Inc. logo

International Software Systems, Inc.

IT Services and IT ConsultingMaryland, United States51-200 Employees

International Software Systems, Inc. (ISSI) is a midsize IT services and consulting firm based in Greenbelt, Maryland. Its client base includes federal, state, and local government agencies as well as commercial organizations, for whom it delivers technology solutions across a range of engagements.

With a 28-year history, ISSI has expanded its footprint to California, Florida, and Dallas and operates offshore facilities in Hyderabad, India to support its global reach. The company maintains ISO 9001:2015, ISO 27001:2013, and CMMI Level 3 certifications, underscoring its commitment to quality and information security. As a minority-owned small business, ISSI emphasizes a customer-first approach and pursues work through multiple government and commercial contracting channels.

Section iconCompany Overview

Phone number
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
1995
Employees
51-200

Section iconFunding & Financials

  • $50M - $100M

    International Software Systems, Inc.'s revenue is estimated to be in the range of $50M - $100M

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