![](https://tf13.org/wp-content/uploads/2022/09/AFCLogoFinal.25x200.png) | Akron Foundry Company | Robert A. Sik | https://www.akronfoundry.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/akdot_logo.png) | Alaska Department of Transportation | Alaska Department of Transportation | http://dot.alaska.gov/ |
![](https://tf13.org/wp-content/uploads/2022/09/Allied_Tube_logo-75x42.png) | Allied Tube & Conduit | Allied Tube & Conduit | https://www.atc-mechanical.com/telespar/ |
![](https://tf13.org/wp-content/uploads/2022/12/AASHTO-Logo.svg) | American Association of State Highway and Transportation Officials | AASHTO | https://www.transportation.org/ |
![](https://tf13.org/wp-content/uploads/2022/09/arcelormittal_logo-75x35.jpg) | ArcelorMittal USA, LLC | Richard Clausius | https://corporate.arcelormittal.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/AIMS_logo-75x21.png) | Asset Integrity Management Solutions, LLC | AIMS Composites | https://aimscomposites.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/bexar_logo-75x25.png) | Bexar Concrete Works I, Ltd. | Bexar Concrete Works I, Ltd. | |
![](https://tf13.org/wp-content/uploads/2022/09/Brifen-Logo-75x19.jpg) | Brifen USA, Inc. | Richard Butler | http://brifenusa.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/caltrans_logo-75x13.png) | California Department of Transportation | Roadside Safety Research Group | https://dot.ca.gov/ |
![](https://tf13.org/wp-content/uploads/2022/10/ccsa_05r-2-75x37.jpg) | Center for Collision Safety and Analysis (CCSA) | Dhafer Marzougui, D.Sc. | https://www.ccsa.gmu.edu/ |
![](https://tf13.org/wp-content/uploads/2022/09/chicagoheightssteel_logo-75x47.png) | Chicago Heights Steel | Chicago Heights Steel | http://www.chs.com |
![](https://tf13.org/wp-content/uploads/2022/09/clampcrete_logo-75x10.jpg) | CLAMPCRETE Construction Systems | CLAMPCRETE | http://www.clampcrete.com/index.html |
![](https://tf13.org/wp-content/uploads/2022/09/codot_logo-75x16.webp) | Colorado Department of Transportation | Colorado DOT | https://www.codot.gov/ |
![](https://tf13.org/wp-content/uploads/2022/09/CTDOT_logo-75x75.png) | Connecticut Department of Transportation | Connecticut DOT | https://portal.ct.gov/DOT |
![](https://tf13.org/wp-content/uploads/2022/09/conti_logo-75x11.png) | Conti Enterprises, Inc. | Conti Enterprises | https://www.contienterprises.com/ |
![](https://tf13.org/wp-content/uploads/2022/08/csp_logo.svg) | CSP Pacific | CSP Pacific | https://www.csp.co.nz/ |
![](https://tf13.org/wp-content/uploads/2022/09/cumberland_logo.svg) | Cumberland Barrier, Inc. | Cumberland Barrier | https://www.cumberlandbarrier.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/deldot_logo-62x75.jpg) | Delaware Department of Transportation | Delaware DOT | https://deldot.gov/ |
![](https://tf13.org/wp-content/uploads/2022/09/deltabloc_logo-75x7.png) | DELTABLOC International GmbH | DELTABLOC International | https://deltabloc.com/en |
![](https://tf13.org/wp-content/uploads/2022/09/DentLogo-75x20.jpg) | Dent Breakaway Industries, Inc. | Mr. Clifford Dent | http://www.dentbreakaway.com |
![](https://tf13.org/wp-content/uploads/2022/09/DesignovationsLogo-75x9.jpg) | Designovations, Inc. | Jim Anderson | http://www.designovations.com |
![](https://tf13.org/wp-content/uploads/2022/09/dewalt_anchor_fasteners_logo-75x31.png) | DeWALT Anchors | DeWALT Anchors | http://anchors.dewalt.com/anchors/ |
![](https://tf13.org/wp-content/uploads/2022/09/Durisol_Logo-75x27.png) | Durisol Ltd. | Michael Pruden | https://www.durisol.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/earthwall_logo-75x17.png) | Earth Wall Products, LLC | Earth Wall Products, LLC | https://earthwallproducts.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/easi-set_logo.png) | Easi-Set Worldwide | Easi-Set Worldwide | https://easiset.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/ECL-Logo-75x68.jpg) | ECL Engineering, PLLC | Eric C. Lohrey, PE | |
![](https://tf13.org/wp-content/uploads/2022/09/etiusa_logo-75x17.png) | ETI USA, Inc. | ETI USA, Inc. | https://www.etiusainc.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/fhwa_logo-1.jpg) | Federal Highway Administration | Eastern Federal Lands Highway Division (EFL) | https://highways.dot.gov/federal-lands |
![](https://tf13.org/wp-content/uploads/2022/09/fhwa_logo.jpg) | Federal Highway Administration | FHWA Office of Safety | https://safety.fhwa.dot.gov/roadway_dept/ |
![](https://tf13.org/wp-content/uploads/2022/09/fdot_logo-75x33.png) | Florida Department of Transportation | Florida DOT | https://www.fdot.gov/ |
![](https://tf13.org/wp-content/uploads/2022/09/franklin_logo-75x20.jpg) | Franklin Industries | Franklin Industries | http://franklinindustriesco.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/freymanufacturing_logo-75x24.png) | Frey Manufacturing Corp. | Mr. Michael Frey | http://freymfgcorp.com/index.html |
![](https://tf13.org/wp-content/uploads/2022/09/gdot_logo-75x31.jpg) | Georgia Department of Transportation | Georgia DOT | http://www.dot.ga.gov/ |
![](https://tf13.org/wp-content/uploads/2022/09/gibraltar_logo-75x61.png) | Gibraltar Global, LLC | Gibraltar Global, LLC | https://gibraltarglobal.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/gregoryhighway_logo-75x21.png) | Gregory Highway | Jeff Grover | https://www.gregorycorp.com/gregory-highway |
![](https://tf13.org/wp-content/uploads/2022/09/GSI-Highway-Logo-2-2-75x27.jpg) | GSI Highway Products | John Williams | https://www.gsihighway.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/hapco-logo-75x38.png) | Hapco Pole Products | Hapco Pole Products | https://www.hapco.com |
![](https://tf13.org/wp-content/uploads/2022/09/hidot_logo.png) | Hawaii Department of Transportation | Hawaii DOT | https://hidot.hawaii.gov/ |
![](https://tf13.org/wp-content/uploads/2022/09/HighwayCare_Logo-75x73.webp) | Highway Care Ltd. | Mr. Adrian Bullock | https://www.highwaycare.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/HighwaySafetyCorp-logo-75x19.png) | Highway Safety Corp | Highway Safety Corp | http://www.highwaysafety.net/ |
![](https://tf13.org/wp-content/uploads/2024/03/hill_smith_logo_final_140_75.svg) | Hill & Smith PLC | Hill & Smith PLC | https://hillandsmithinfrastructure.com |
![](https://tf13.org/wp-content/uploads/2022/09/HS_Primary_Logo-Navy.svg) | Hill & Smith, Inc. | Cecil Brown | http://www.hillandsmith.com |
![](https://tf13.org/wp-content/uploads/2024/03/Illinois-Tollway-Logo-75x21.png) | Illinois Tollway | Illinois Tollway | https://www.illinoistollway.com |
![](https://tf13.org/wp-content/uploads/2022/09/indot_logo-75x75.jpg) | Indiana Department of Transportation | Indiana DOT | https://www.in.gov/indot/ |
![](https://tf13.org/wp-content/uploads/2022/09/industriasduero_logo-67x75.png) | Industrias Duero, S.L. | Industrias Duero | https://industriasduero.com/en/ |
![](https://tf13.org/wp-content/uploads/2022/09/amssrl_logo-75x28.jpg) | Industry AMS S.r.l. | Roberto Impero | https://www.smaroadsafety.com/en |
![](https://tf13.org/wp-content/uploads/2022/09/ingal_logo-75x26.png) | Ingal Civil Products | Ingal Civil Products | https://www.ingalcivil.com.au/ |
![](https://tf13.org/wp-content/uploads/2022/09/itwredhead_logo-75x22.jpg) | ITW Red Head | ITW Red Head | https://www.itw-redhead.com |
![](https://tf13.org/wp-content/uploads/2022/09/kansasdot_logo-75x49.png) | Kansas Department of Transportation | Kansas DOT | http://www.ksdot.org/ |
![](https://tf13.org/wp-content/uploads/2022/09/ksiglobal_logo-75x27.png) | KSI Global Australia Pty Ltd | KSI Global Australia | http://www.ksiglobal.com.au/ |
![](https://tf13.org/wp-content/uploads/2022/09/Lancaster-Composite_Logo-75x50.jpg) | Lancaster Composite | Lancaster Composite | http://lancastercomposite.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/laurametaal_logo.svg) | Laura Metaal Road Safety | Laura Metaal Road Safety | https://www.laurametaal.com/us/roadsafety-usa |
![](https://tf13.org/wp-content/uploads/2022/09/barriersystemslogo-75x16.jpg) | Lindsay Transportation Solutions | Lindsay Transportation Solutions | http://www.barriersystemsinc.com |
![](https://tf13.org/wp-content/uploads/2022/09/ladotd_logo-75x42.png) | Louisiana Department of Transportation | Louisiana DOTD | http://wwwsp.dotd.la.gov/Pages/default.aspx |
![](https://tf13.org/wp-content/uploads/2022/09/mddot_logo-75x28.png) | Maryland Department of Transportation | Maryland DOT | https://www.mdot.maryland.gov/pages/home.aspx |
![](https://tf13.org/wp-content/uploads/2022/09/MDTA_Logo-75x33.png) | Maryland Transportation Authority | Maryland Transportation Authority | https://mdta.maryland.gov/ |
![](https://tf13.org/wp-content/uploads/2022/09/MDS_logo-75x59.jpg) | MDS LLC | Malcolm H. Ray, MDS LLC | |
![](https://tf13.org/wp-content/uploads/2022/09/midot_logo-75x49.jpg) | Michigan Department of Transportation | Michigan DOT | https://www.michigan.gov/mdot |
![](https://tf13.org/wp-content/uploads/2022/09/MwRSF09-75x31.jpg) | Midwest Roadside Safety Facility | Ronald K. Faller, P.E., Ph.D. | http://mwrsf.unl.edu |
![](https://tf13.org/wp-content/uploads/2022/09/mobilebarriers_logo-75x17.jpg) | Mobile Barriers LLC | Mobile Barriers LLC | https://www.mobilebarriers.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/mondo_logo-75x28.jpg) | Mondo Polymer Technologies | Mondo Polymer Technologies | http://www.mondopolymer.com |
![](https://tf13.org/wp-content/uploads/2022/09/nevada_logo-75x75.png) | Nevada Department of Transportation | Nevada DOT | https://www.nevadadot.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/netc_logo-54x75.png) | New England Transportation Consortium | New England Transportation Consortium | https://www.newenglandtransportationconsortium.org/ |
![](https://tf13.org/wp-content/uploads/2022/09/njdot_logo-75x72.jpg) | New Jersey Department of Transportation | New Jersey DOT | https://www.nj.gov/transportation/ |
![](https://tf13.org/wp-content/uploads/2022/09/nycmta_logo-68x75.png) | New York Metropolitan Transportation Authority | New York Metropolitan Transportation Authority | https://www.mta.info/ |
![](https://tf13.org/wp-content/uploads/2022/09/nygov_logo-75x45.png) | New York State Department of Transportation | New York State DOT | https://www.dot.ny.gov/index |
![](https://tf13.org/wp-content/uploads/2022/09/nysthruway_logo-75x69.jpg) | New York State Thruway Authority | New York State Thruway Authority | https://www.thruway.ny.gov/index.shtml |
![](https://tf13.org/wp-content/uploads/2022/09/ncdot_logo-75x75.png) | North Carolina DOT | NCDOT | https://www.ncdot.gov/Pages/default.aspx |
![](https://tf13.org/wp-content/uploads/2022/09/northernip_logo-75x35.png) | Northern Infrastructure Products | Ben Powell | http://www.northern-ip.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/NUCORLogo-75x27.jpg) | Nucor Steel Marion, Inc. | Steve Conway | http://www.nucorhighway.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/okdot_logo-75x75.jpg) | Oklahoma Department of Transportation | Oklahoma DOT | https://oklahoma.gov/odot.html |
![](https://tf13.org/wp-content/uploads/2022/09/ordot_logo-75x30.png) | Oregon Deptartment of Transportation | Oregon DOT | https://www.oregon.gov/ODOT/Pages/index.aspx |
![](https://tf13.org/wp-content/uploads/2022/09/penndot_logo-75x75.png) | Pennsylvania Department of Transportation | PennDOT | https://www.penndot.gov |
![](https://tf13.org/wp-content/uploads/2022/09/plasticss_logo.svg) | Plastic Safety Systems, Inc. | Plastic Safety Systems | https://www.pss-innovations.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/POLYVANTIS-Logo_petrol_RGB-75x20.jpg) | POLYVANTIS Sanford, LLC | Jeffrey Zgorski | https://www.polyvantis.com |
![](https://tf13.org/wp-content/uploads/2022/09/PrecisionForm-logo-75x18.png) | Precision Form, Inc. | Precision Form, Inc. | http://www.precisionform.com/ |
![](https://tf13.org/wp-content/uploads/2023/10/QBF-Stacked-Logo-75x54.jpg) | Quality Bridge & Fab, Inc. | Tony Ghioldi | https://www.qualitybridgeandfab.com |
![](https://tf13.org/wp-content/uploads/2022/09/RGSteel-logo-75x75.png) | R.G. Steel Corp. | R.G. Steel Corp. | http://www.rgsteel.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/rsi-logo-75x55.png) | Road Systems, Inc. | John C. Durkos | http://www.roadsystems.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/roadsafe-75x14.gif) | RoadSafe LLC | Chuck Plaxico | http://roadsafellc.com |
![](https://tf13.org/wp-content/uploads/2022/09/rockingham_logo-75x22.png) | Rockingham Precast | Rockingham Precast | http://www.rockinghamprecast.com |
![](https://tf13.org/wp-content/uploads/2022/09/Storeylumber_logo-75x28.jpg) | S. I. Storey Lumber Co., Inc. | S. I. Storey Lumber Co., Inc. | http://www.sistoreylumber.com |
![](https://tf13.org/wp-content/uploads/2022/09/safe-barriers-logo-75x15.png) | Safe Barriers Pte. Ltd. | Russell Hood | https://www.safebarriers.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/safedirection_logo-75x44.png) | Safe Direction | Mr. Terry Colquhoun | https://www.safedirection.com.au/ |
![](https://tf13.org/wp-content/uploads/2022/09/saferoads_logo-75x34.png) | Saferoads Pty Ltd | Mr. Casey McMaster | https://www.saferoads.com.au/ |
![](https://tf13.org/wp-content/uploads/2022/09/safetybase_logo-75x35.png) | Safety Base, Ltd. | Safety Base, Ltd. | http://www.safetybaseltd.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/scdot_logo-75x32.jpg) | South Carolina Dept. of Transportation | South Carolina DOT | https://www.scdot.org/ |
![](https://tf13.org/wp-content/uploads/2022/09/strongstownbk_logo-75x42.png) | Strongstown B&K Enterprises | Mr. Forrest Schultz | https://strbk.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/TF13-logo-white-75x75.jpg) | Task Force 13 | TF13 Guide Manager | https://tf13guides.org/Guides |
![](https://tf13.org/wp-content/uploads/2022/09/tti_logo-75x14.png) | Texas A&M Transportation Institute | Roger Bligh, Ph.D. | http://tti.tamu.edu/ |
![](https://tf13.org/wp-content/uploads/2022/09/txdot_logo-75x61.png) | Texas Department of Transporation | Texas DOT | https://www.txdot.gov/ |
![](https://tf13.org/wp-content/uploads/2022/09/tapco_logo-75x17.png) | Traffic & Parking Control Co., Inc. | TAPCO | https://www.tapconet.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/traffix_logo.png) | TrafFix Devices, Inc. | TrafFix Devices, Inc. | https://www.traffixdevices.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/TranspoLogo-75x18.jpg) | Transpo Industries, Inc. | Transpo Industries, Inc. | http://www.transpo.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/ultimatehighway_logo-75x40.png) | Ultimate Highway Solutions | Ultimate Highway Solutions | http://www.uhsolutions.net/ |
![](https://tf13.org/wp-content/uploads/2022/09/UIS-logo-75x49.png) | Universal Industrial Sales, Inc. | Universal Industrial Sales, Inc. | https://www.uisutah.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/Valentine_Logo-75x69.gif) | Valentine & Company | Heath E. Valentine | http://valentinecompany.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/valmonthighway_logo-75x19.png) | Valmont Highway | Valmont Highway International Pty. Ltd. | https://www.valmonthighway.com/home |
![](https://tf13.org/wp-content/uploads/2022/09/valmont-logo-75x12.png) | Valmont Industries, Inc. | Valmont Industries, Inc. | https://www.valmont.com |
![](https://tf13.org/wp-content/uploads/2022/09/Valtir_Logo-75x16.png) | VALTIR, LLC (f/k/a Trinity Highway) | VALTIR, LLC | https://www.valtir.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/verdegro_logo-75x17.png) | Verdegro USA LLC | Verdegro USA | https://www.verdegro.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/volkmann_logo-75x42.jpg) | Volkmann and Rossbach GmbH & Co. KG | Volkmann and Rossbach | https://www.volkmann-rossbach.com/ |
![](https://tf13.org/wp-content/uploads/2022/09/wsdot_logo-75x75.png) | Washington State Dept. of Transportation | Washington State DOT | https://wsdot.wa.gov/ |
![](https://tf13.org/wp-content/uploads/2022/09/wvdot_logo-70x75.jpg) | West Virginia Dept. of Transportation | West Virginia DOT | https://transportation.wv.gov/Pages/default.aspx |
![](https://tf13.org/wp-content/uploads/2022/09/W-EPartnersLogo-75x24.jpg) | West-East Partners, LLC | West-East Partners, LLC | http://www.west-eastpartners.com |
![](https://tf13.org/wp-content/uploads/2022/09/wsp_logo-75x36.png) | WSP USA, Inc. | WSP USA, Inc. | https://www.wsp.com/en-US |
![](https://tf13.org/wp-content/uploads/2022/09/WYDOT_logo-75x69.png) | Wyoming Department of Transportation | Wyoming Department of Transportation | http://www.dot.state.wy.us/home.html |
![](https://tf13.org/wp-content/uploads/2022/09/xavierc_logo-75x54.jpg) | XavierC, LLC | Sydney D. Chase | http://www.xavierc.net/index.html |
![](https://tf13.org/wp-content/uploads/2022/09/Xcessoriessquaredlogo2019-75x30.jpg) | Xcessories Squared Dev. & Mfg. Inc. | Greg Kirchgesner | http://www.x-sqrd.com |