Meystel Industries Holdings

Cognisphere

Advanced natural language processing and knowledge organization software.

ICSC Corp.

Full-service IT consulting, software development, networking, and infrastructure services.

Main Line Hosting

Web and infrastructure hosting services.

Main Line Computer Doctor

On-site and remote PC support, diagnostics, and repair.

Monarch Group Mid-Atlantic

Technology-focused real-estate investment and development.

AdREM Publishing

Publisher of technical and educational books.

Main Line Garage Sale

Broker of personal and corporate second-hand sales.

SymptomBase

Structured problem analysis and knowledge systems.