Mark Johnson Software [MJS]

About:  Mark Johnson Software [MJS]

MJS started as a software consultancy in 1995 developing LoJack Corporation's 2nd generation radio tower-to-vehicle communication software.   Since then, MJS has created products, software, and processes for notable clients such as LoJack, Vehicle Security Resource Ltd [Bogotà, Colombia], Black Belt Magazine™ [Rainbow Publications, Inc], CarSearch Nigerian Ltd [Lagos, Nigeria], Leggette Actuaries Inc, MapFrame Inc, and GE Energy.   While representing GE Energy as a Senior Consultant, Mark Johnson provided consultation, software development, and support to the following energy companies:   AEP Energy, Atlanta Gas Light, ESKOM [Pretoria, South Africa], Excelon, Florida Power & Light, Idaho Power, Manitoba Hydro [Winnipeg, Manitoba], Nebraska Public Power District, Nicor Gas, PECO, PNG, PPL, Southwest Gas, Williams Gas & Power, and XCEL Energy.

Currently MJS is developing GIS products utilizing OpenStreetMap® data and software supporting sUAS [small unmanned aircraft systems].

'Mark Johnson Software' registered with Dun & Bradstreet in 1998.


Custom Desktop, Server, Web & Database Development

Legacy C, C++ Software Support & Remediation

Product Documentation & Help Systems


Rapid, Functional Prototyping

GIS Applications and Conversions

Data Conversions and Transformations

Image Processing

Process Simplification

Process Simulation and QA Applications


Core:  RAD Studio - C++ Builder & Delphi

Database:  Oracle & SQLite

Secure Delivery of Code and Content:  thawte™ Code Signing Certificates

Documentation / Help Systems:  Help & Manual





Mark Johnson - Cedar Hill Texas, US