Are you ready to build something GIGANTIC?  Submit the T-REX Membership Prospect Form below to begin your construction! Prospect Form


T-REX hosts weekly tours!  If you would like to attend a tour we do them every Wednesday at 3 p.m., no RSVP needed! Meet on the 5th Floor. Contact T-REX


If you represent a company outside of T-REX and would like to host an informational presentation for our T-REX Members, email us! Contact T-REX

Need something else? Use the form below for anything else you might need!






Getting to T-REX

T-REX is located in the Lammert Building, at 911 Washington Ave in downtown St. Louis. Enter through the lobby and take the elevators to the 5th floor.

Car: Parking is available along Washington Avenue and short term parking is available on the 10th St. side of the building.

MetroLink: 8th & Pine and Convention Center stops are just blocks away.

Bus: The 99 (Downtown Trolley) and 30 lines run along Washington Avenue.

Bike: Bikes are welcome at T-REX. We have a free storage area for bikes in our locker room located off of the 5th floor co-working space.

911 Washington Ave St. Louis, MO 63101 314-241-7500