"To provide responsive, innovative and effective solutions that improve quality of life."


About JMD

Certifications / Recognitions / Accomplishments

JMD is certified by local agencies as a:
  • Disadvantaged Business Enterprise (DBE)
  • Minority Business Enterprise (MBE)
  • Small Business Enterprise (SBE)
  • Community Business Enterprise (CBE)


JMD has earned a solid reputation providing responsive, innovative and effective solutions to our clients as evidenced below:

  • "JMD and its staff of professionals delivered quality services in a responsive, innovative, and effective manner. They demonstrated commitment and dedication to the project by their responsiveness to requests, ensuring deadlines were met, and progress reports were submitted timely . . . your technical knowledge exceeded expectation; your responsiveness met expectation; and your ability to resolve technical issues was exceptional."   City of Pico Rivera, Public Works Department
  • "We appreciate your thoroughness, quick response to our requests, and the breadth of knowledge of your firm."   City of San Gabriel, Community Development Department
  • "(JMD has completed) street improvement projects in the City of Industry to our satisfaction and in a responsive manner. We look forward to working with JMD on future projects."   CNC Engineering, Inc.


  • JMD was founded in December 2001.
  • JMD was incorporated as JMDiaz. Inc. (dba JMD) on January 2005.
  • In 2013, JMD achieves its 12th year anniversary having served over 70 clients.