| ACME Constructors | Jerry Harmon | Vice President | 314-647-1923 | 314-806-2582 | jerryh@acmeconstructors.com | @acmeconstructors | www.linkedin.com/company-beta/2428358/ | @AcmeConstruct | www.acmeconstructors.com | Structural and precast |
| ACME Erectors, Inc. | Joshua T. Wilson | VP of Operations | 314-690-4526 | 314-422-8844 | joshw@acmeerectors.com | @acmeerectorsinc | www.linkedin.com/company/acme-erectors | @AcmeErectorsInc | www.acmeerectors.com | Structural, miscellaneous, precast, industrial |
| AGC of Missouri | Anthony Lancia | VP of Labor Relations | 314-480-3177 | 314-306-5851 | Alancia@agcmo.org | @AGCofMO | www.linkedin.com/company-beta/903377/ | @AGCofMO | www.agcmo.org | NA |
| Ben Hur Construction | Jon Faust | Project Manager | 314-218-2162 | 314-220-5589 | jaf@benhurconstruction.com | NA | www.linkedin.com/company-beta/6187246/ | NA | www.benhurconstruction.com | Structural |
| Ben Hur Construction | Jon Vogt | President & COO | 314-218-2140 | 314-486-7990 | jev@benhurconstruction.com | | | | | |
| Big Boy Steel Erection | John Matthew Gerst | Vice President | 314-731-4157 | NA | johnm@bbsteel.com | | | | | |
| Big Boy Steel Erection | John L. Gerst | President | 314-731-4157 | NA | johnlg@bbsteel.com | | | | | |
| Bumpy's Steel Erection | Ashanti Mitchell | President | 618-274-0105 | NA | ashantimitchell@bumpyssteel.com | NA | NA | NA | NA | Structural, rebar |
| D&K Welding | Chad Carlson | Superintendent | 314-939-1701 | 314-581-4759 | ccarlson@dkwsinc.com | NA | NA | NA | NA | Fabricated plate work |
| D&K Welding | Dorrie Harris | Owner | 314-939-1701 | 314-581-4759 | dharris@dkwsinc.com | NA | NA | NA | NA | Fabricated plate work |
| Ironmasters | Ben Ming | Owner | 618-274-0105 | 636-390-0341 | ironmasters.ben@att.net | NA | NA | NA | NA | Structural |
| Mac Steel Erection and Welding Services, Inc. | Edward McDonald | President | 636-751-3018 | 636-751-3018 | mcdonald.ed.macsteel@gmail.com | NA | NA | NA | NA | Structural, miscellaneous, precast, and light industrial |
| L. Keeley Construction | Jeff Colona | Secretary | 314-421-5933 | 314-713-9281 | jcolona@lkeeley.com
| | NA | NA | www.lkeeley.com | Structural, misc., ornamental, fabrication |
| Perfection Steel Erection | John Brocksmith | President | NA | 314-565-2547 | john.brocksmith@perfectionsteelerection.com | | | | | |
| Penn Services | Jason Suda | Senior PM | 314-647-1923 | 314-338-7718 | jason@pennservicesllc.com | | | | | |
| Perfection Steel Erection, Inc. | John A. Brocksmith | President | 636-282-5000 | 314-565-2547 | John.Brocksmith@perfectionsteelerection.com | NA | NA | NA | NA | Structural, metal buildings, misc, ornamental iron |
| Rebar Specialist | Allen Gardner | President | 314-486-3303 | 314-267-3677 | agardner@rebarinc.com | | | | | |
| Rebar Specialist | Jim Schoolcraft | Estimator | 314-382-6900 | NA | jschoolcraft@rebarinc.com | NA | NA | NA | www.rebarinc.com | Rebar |
| Sharp Erectors | Aaron Patton | NA | 636-443-3861 | NA | sharperectors@gmail.com | | | | | |
| SRM Construction | Caitlin Johnson-McIntosh | Regional Director | 618-875-9125 | | caitlinj@srmconstruction.com | | | | | |
| Sharp Erectors | Dave Flaiz | President | 636-949-2688 | 314-267-8084 | sharperect@aol.com | NA | NA | NA | NA | Structural, precast |
| St. Louis Steel | Debbie Bragg | President | 636-393-4005 | NA | debbie@stlsteel.com | NA | NA | NA | NA | Structural, fabrication |
| St. Louis Steel | Christopher Sharp | Estimator | 636-393-4005 | 314-220-4313 | chris@stlsteel.com | | | | | |
| United Ironworkers, Inc. | Kim Rasnick | President | 618-965-2222 | 618-967-2136 | uiwpres@gmail.com | NA | NA | NA | NA | Structural, pre-engineered metal buildings, rebar, post-tensioning |
| Weaver Steel Construction LLC | Mark Weaver | President | 636-397-5076 | 314-651-5812 | mark@weaversteel.com | NA | NA | NA | NA | Structural, miscellaneous, precast |
| Innovative Building Concepts, Inc. | John Kleekamp | President | 636-390-4345 | NA | john@innovativebuildingconceptsinc.com | NA | NA | NA | NA | Structural, pre-engineered metal buildings |
| W&L Steel Erectors, INC. | Danny Hardin | Owner | 1-573-474-8932 | 1-573-864-7568 | wlsteelinc@aol.com | | | | | |
| AH Steel Erectors | Tim Akins | Co-Owner | 1-573-474-2539 | NA | aae1@aol.com | | | | | |
| AH Steel Erectors | Les Hardin | Co-Owner | 1-573-474-8932 | NA | aae1@aol.com | | | | | |
| Federal Steel & Erection Co. | R. Mark Darr | President | 618-254-0106 | 618-779-9755 | rmdarr@fedsteel.net | | | | | |
| Federal Steel & Erection Co. | Christopher Darr | VP of Construction | 618-254-0106 | 618-304-5780 | cdarr@fedsteel.net | | | | | |
| Union info | | | | | | | | | | |
| BI State - Fabricator | | | | | | | | | | |
