Mon - Fri 8:00am - 5:00pm, Saturday & Sunday - Closed

Doing Business

GMX's commitment to Miami-Dade County extends far beyond the construction and maintenance of roadways. GMX is committed to providing equal opportunity for all businesses to participate in our procurement and contracting process by implementing checks and balances to ensure an open, transparent and competitive procurement environment, while promoting the local economy.

In addition to being responsible for all purchases and contract administration matters of the Authority, GMX's Procurement Department is also responsible for the implementation of and compliance with GMX's Procurement Policy, Small Business Participation Policy, and Local Business Participation Policy.