SDA developed the first version of LUMS for a benefit funds office in St. Louis, Missouri in early 1978. Since then the system has been greatly expanded and refined into a comprehensive family of applications which cover virtually all information systems requirements for a labor organization.
Today, LUMS applications are running in 50 plus labor unions and hiring halls throughout the United States. An overview of the modules installed is listed below.

- Hiring Hall - Comprehensive Reporting
- Hiring Hall - Contractor's Information
- Hiring Hall - Daily Activity
- Hiring Hall - Out of Work List
- Hiring Hall - Referral's Information
- Hiring Hall - Termination List
- Labor Union - Comprehensive Reporting
- Labor Union - Dues Processing
- Labor Union - Employer's Information
- Labor Union - Fund Rates
- Labor Union - Health & Welfare Information
- Labor Union - Hours Posting
- Labor Union - Membership Demographics