Below are the companies who attended in 2008. The number in parentheses represents the number of attendees from that company. Bold indicates President's Advisory Board member.
| 71 Construction (1) | WY | Keeler Construction Co., Inc. (1) | NY | |
| A.P. Construction, Inc. (2) | NJ | Kerr Contractors, Inc. (1) | OR | |
| Advanced American Const., Inc. (2) | OR | Kinsley Construction (5) | PA | |
| Advanced Asphalt Co. (2) | IL | Knife River Corporation (8) | ND, TX | |
| Aggregate Industries (3) | MD | Kokosing Construction Co., Inc. (5) | OH | |
| Allan A. Myers, LP (1) | PA | Konell Construction & Demolition (2) | OR | |
| American Asphalt & Grading Co. (11) | NV | Kothmann, Ltd (3) | TX | |
| American Civil Construction (1) | MD | Lake County Grading Co., LLC (2) | IL | |
| American Infrastructure (1) | PA | Lane Construction Corp. (8) | CT, FL, MA | |
| Amico Infrastructure, Inc. (1) | ON | Ledcor Civil Mining, Ltd. (11) | BC | |
| Anchor Construction Corporation (2) | DC | LHC Incorporated (1) | MT | |
| Anderson Contractors, Inc. (1) | SD | Lind-Exco, Inc. (3) | SD | |
| Anson Excavating & Pipe, Inc. (5) | CO | Loureiro Contractors (3) | CT | |
| APAC, Inc. (19) | FL, GA, MO, NC, SC, TX | LTM, Inc. (3) | OR | |
| ARB, Inc. (4) | CA | M.J. Lee Construction Company (6) | OK | |
| Armstrong Construction Company (4) | NM | Mainline Road & Bridge Construction (4) | OH | |
| Arup (1) | CA | Manson Construction Co. (3) | WA | |
| Atkinson Construction Company (2) | CA | Mario Sinacola & Sons Exc., Inc. (2) | TX | |
| Atlas Excavating, Inc. (8) | IN | Marshbank Construction, Inc. (3) | WA | |
| AUI Contractors, L.P. (1) | TX | Martin Brothers Construction (1) | CA | |
| Baldwin Contracting Company (3) | CA | Martin Enterprises (2) | OH | |
| Balfour Beatty Infrastructure, Inc. (4) | NC, OH | May Brothers, Inc. (1) | VA | |
| Barnhill Contracting Co. (4) | NC | McAllen Construction Co., Inc. (2) | TX | |
| Barrett Paving Materials, Inc. (1) | KY | McAlvain Excavation (2) | ID | |
| Bauerly Brothers (2) | MN | McDaniel Site Development, LLC (2) | FL | |
| BC Hydro (1) | BC | McGeorge Contracting Co., Inc. (2) | AR | |
| Becco Contractors, Inc. (1) | OK | McGuire and Hester (4) | CA | |
| Berger Excavating Contractors, Inc. (2) | IL | McLean Contracting Co. (4) | MD | |
| Bergeron Land Development, Inc. (2) | FL | MCM Corporation (8) | FL | |
| Berns Construction Co., Inc. (5) | IN | Meadow Valley Contractors, Inc. (4) | NV | |
| Blakeslee, Arpaia, Chapman, Inc. (6) | CT | MEC Construction (1) | WV | |
| Bloomsdale Excavating (1) | MO | Melvin Benhoff Sons, Inc. (1) | MD | |
| Boh Bros. Construction Co. LLC (8) | LA | MGE Underground (4) | CA | |
| Bo-Mac Contractors, Ltd. (6) | TX | Milestone Contractors, L.P. (2) | IN | |
| Brad Drake Construction, LLC (2) | TX | Miller Brothers Construction, Inc. (3) | OH | |
| Bradshaw Construction Corporation (1) | MD | Mobile Asphalt Company, L.L.C. (1) | AL | |
| Buesing Corp. (2) | AZ | Moffatt & Nichol Engineers (1) | CA | |
| Burton Scot Corporation (5) | OH | Moore Excavation, Inc. (2) | OR | |
| Buskerud Construction, Inc. (1) | SD | Mountain Enterprises, Inc. (2) | KY | |
| C. C. Myers, Inc. (10) | CA | Mountain Pacific Construction (1) | OR | |
| C.A. Murren & Sons Co., Inc. (1) | GA | Mowat Construction Company (1) | WA | |
| C.W. Matthews Contracting Co. (5) | GA | Musselman & Hall Contractors (2) | MO | |
| C.W. Roberts Contracting, Inc. (1) | FL | Nelcon, Inc. (1) | MT | |
| Cadillac Asphalt, LLC (3) | MI | Newman Construction, Inc. (4) | UT | |
| Callen Construction Co., Inc. (1) | WA | Newman Contracting Co., Inc. (4) | OK | |
| Calumet Civil Contractors, Inc. (3) | IN | Nielsons Skanska, Inc. (2) | CO | |
| Central Paving, Inc. (3) | ID | Northeast Remsco Construction (1) | NJ | |
| CH2MHILL Constructors, Inc. (10) | CO | Nutter Corporation (2) | WA | |
| Charles J. Miller, LLC (2) | MD | O.C. Jones & Sons, Inc. (10) | CA | |
| Charles Vrana & Sons (2) | NE | Orlando Paving Company (2) | FL | |
| Charter Environmental, Inc. (5) | MA | Otto Baum Company (9) | IL | |
| Circle, Inc. (2) | LA | Owl Contracting, Inc. (1) | NJ | |
| Clark Construction Group, LLC (1) | MD | Parsons (3) | HI, WA | |
| Coastal Bridge Company, Inc. (1) | LA | Pavers, Inc. (2) | KS | |
| Coastal Underground Services (1) | FL | Pavex, Inc. (5) | PA | |
| Cold Spring Construction (2) | NY | Pennsy Supply, Inc. (1) | PA | |
| Comanco Environmental Corporation (7) | FL | Phillips Companies (1) | OH | |
| Concrete Placing Co., Inc. (1) | ID | Plote Construction, Inc. (3) | IL | |
| Constructors, Inc. (1) | NM | Posen Construction, Inc. (1) | FL | |
| Cooke Construction Services (1) | CA | Posillico Civil, Inc. (14) | NY | |
| Coral Construction Company (2) | OR | Proform Concrete Services, Inc. (3) | AB | |
| Crestline Construction Co (2) | OR | Prus Construction Company (4) | OH | |
| Curran Contracting Company (1) | IL | Quality Asphalt Paving (7) | AK | |
| Cycle Construction Co., LLC (1) | LA | Queen City, Inc. (2) | TN | |
| D & J Construction Co., Inc. (2) | LA | R.E. Pierson Construction Co. (2) | NJ | |
| D. H. Blattner & Sons, Inc. (10) | MN | R.G. Griffith, Inc. (1) | VA | |
| DeSilva Gates Construction (1) | CA | R.G. Huston Company, Inc. (2) | WI | |
| Dixie Construction Company, Inc. (2) | MD | R.K. Hall Construction, Ltd. (4) | TX | |
| DRM Utilities, Inc. (1) | AL | R.V. Wagner, Inc. (2) | MO | |
| DSS Company (1) | CA | Ranger Construction Industries, Inc. (8) | FL | |
| Duit Construction Company, Inc. (1) | OK | Reece Albert, Inc. (6) | TX | |
| Dunnet Bay Construction (3) | IL | Reliable Contracting Co., Inc. (3) | MD | |
| Durr Heavy Construction, LLC (9) | LA | Reyes Group Ltd. (1) | IL | |
| E. S. Wagner Company (1) | OH | RGW Construction, Inc. (4) | CA | |
| E.V. Williams, Inc. (3) | VA | Ricci/Welch Inc. (2) | IL | |
| Eagle Bridge Company (2) | OH | Rieth-Riley Construction Co., Inc. (2) | IN | |
| Earle Asphalt Company (1) | NJ | Rifenburg Companies (2) | NC, NY | |
| Edward Kraemer & Sons, Inc. (4) | WI | Riverside Sand & Gravel, Inc. (2) | MT | |
| Elam Construction, Inc. (3) | CO | Road Runner Markings, Inc. (1) | FL | |
| F & K Construction, Inc. (2) | IN | Rogele, Inc. (2) | PA | |
| Fann Contracting, Inc. (4) | AZ | Ronald S. Terry Construction Co., Inc. (1) | TN | |
| Faulconer Construction Co., Inc. (3) | NC, VA | Rummel Construction, Inc. (3) | AZ | |
| FCI Constructors (NorthernDiv) (6) | CA | S.J. Louis Construction, Inc. (1) | MN | |
| Ferreira Construction Co., Inc. (1) | NJ | S.T. Wooten Corporation (26) | NC | |
| Feutz Contractors, Inc. (2) | IL | San Diego Co. Water Authority (1) | CA | |
| Fischer Excavating, Inc. (4) | IL | Schlouch, Inc. (1) | PA | |
| Fisher Contracting Company (4) | MI | Schwarz Paving Co., Inc. (2) | OK | |
| Flatiron Construction Corp. (2) | CO | SCI-Sorensen Construction, Inc. (2) | UT | |
| Fluor Daniel (5) | SC | Shallow Ford Construction Co. (6) | TX | |
| Ford Construction Company, Inc. (5) | CA | Shelly & Sands, Inc. (3) | OH | |
| Forde Construction Company (3) | TX | Shirley Contracting Corp. (2) | VA | |
| Forsgren, Inc. (3) | AR | Shoreline Grading, Inc. (3) | NJ | |
| Francis O. Day Co., Inc. (2) | MD | Silver Star Construction Co. (6) | OK | |
| Fred Weber, Inc. (4) | MO | Simpson & Brown, Inc. (3) | NJ | |
| GA & FC Wagman, Inc. (3) | PA | Skanska USA Civil (10) | CA, NY | |
| Garey Construction Ltd. (1) | TX | Slack & Co. Contracting, Inc. (2) | TX | |
| GCR Tire Centers (2) | TX | Slaughter Construction Co., Inc. (2) | AL | |
| Geneva Rock Products (6) | UT | Slusser Bros. (1) | PA | |
| George Reed, Inc. (4) | CA | Spearin Preston & Burrows, Inc. (1) | NY | |
| Gibbs & Register, Inc. (2) | FL | SPS New England, Inc. (1) | MA | |
| Gilbert Engineering Company (3) | NC | Stacy and Witbeck, Inc. (4) | OR | |
| Gilchrist Construction Company (6) | LA | Stark Excavating, Inc. (2) | IL | |
| Glenn O. Hawbaker, Inc. (6) | PA | Statewide Tree Service, Inc. (1) | TX | |
| Gordon C. Proctor Est. & Consulting (1) | BC | Summers-Taylor, Inc. (7) | TN | |
| Gould Construction, Inc. (3) | CO | Summit Constructors, Inc. (2) | TN | |
| Granite Construction, Inc. (28) | AK, AZ, CA, FL, NV, TX, UT | Sunline Engineering Contractor (3) | FL | |
| Graniterock/Pavex Division (8) | CA | Sunroc Corporation (6) | UT | |
| Gregori Constr. & Eng., Inc. (4) | PA | T+C Contracting, Inc. (6) | KY | |
| Guidry's Construction, Inc. (1) | LA | T. J. Campbell Construction (1) | OK | |
| Gunther Construction Company (2) | IL | T.C. Simons, Inc. (1) | MD | |
| H & S Construction, Inc. (2) | LA | T.J. Lambrecht Construction (1) | IL | |
| Hamilton Construction Company (4) | OR | TCW Construction, Inc. (2) | NE | |
| Hansen Bros. Enterprises (5) | CA | Teichert Construction (1) | CA | |
| Hawaiian Dredging Const Co., Inc. (2) | HI | Terra Environmental Contractors (1) | PA | |
| Herzog Contracting Corporation (1) | MO | Terry Asphalt Materials, Inc. (1) | OH | |
| High Country Construction, Inc. (2) | WY | The Allen Company, Inc. (3) | KY | |
| Hosea O. Weaver & Sons, Inc. (6) | AL | The Beaver Excavating Co. (1) | OH | |
| HUB Excavating, Ltd (1) | BC | The Dutra Group (14) | CA | |
| Hubbard Construction Company (6) | FL | The Great Lakes Construct. Co. (2) | OH | |
| Hunter Contracting (2) | AZ | The Righter Company, Inc. (3) | OH | |
| Hutchens Construction Co. (5) | MO | The Shelly Company (5) | OH | |
| IA Construction Corporation (5) | PA | The Walker Company of Kentucky (1) | KY | |
| IHC Construction Companies LLC (1) | IL | Tidewater Skanska, Inc. (2) | VA | |
| Illinois Civil Contractors, Inc. (4) | IL | Tilcon Connecticut Inc. (5) | CT | |
| IMCO General Construction, Inc. (8) | WA | Toronto Zenith Cont., Ltd. (2) | ON | |
| Independence Excavating (4) | OH | Trader Construction Company (4) | NC | |
| Independent Construction Co. (2) | CA | Triad Engineering & Contracting Co., Inc (1) | OH | |
| Intercounty Constructors (1) | MD | Trumbull Corporation (9) | PA | |
| Iowa Bridge & Culvert, LC (2) | IA | Tutor-Saliba Corporation (3) | CA | |
| J. F. Shea Construction, Inc. (7) | CA | United Contractors, Inc. (1) | IA | |
| J.B. Holland Construction, Inc. (3) | IA | V3 Consultants/Illnois (1) | IL | |
| J.Banicki Construction, Inc. (3) | AZ | Van Hauen & Associates, Inc. (5) | IA | |
| J.C. Dillon, Inc. (1) | IL | Vancon, Inc. (2) | UT | |
| J.F. Brennan Company, Inc. (2) | WI | Vecellio & Grogan, Inc. (1) | WV | |
| J.H. Rudolph & Company, Inc. (2) | IN | Veit and Company, Inc. (3) | MN | |
| J.M. Marschuetz Construction (2) | MO | Velting Contractors, Inc. (1) | MI | |
| J.S. Walton & Company, Inc. (2) | AL | Vieth Construction Corp. (1) | IA | |
| James Construction Group, LLC (4) | LA | W & L Construction, Inc. (6) | VA | |
| Jay-Reese Contractors, Inc. (1) | TX | W.W. Clyde & Company (5) | UT | |
| Jim Smith Contracting Co., LLC (5) | KY | Walsh Construction (1) | CA | |
| Joe Bland Construction, L.P. (6) | TX | Watts Constructors, LLC (6) | CA | |
| John Carlo, Inc. (6) | MI | Weaver-Bailey Contractors, Inc. (5) | AR | |
| John G. Walton Const. Co., Inc. (3) | AL | Weeks Marine, Inc. (2) | TX | |
| Jones Bros. Dirt & Paving Contractors (4) | TX | West Virginia Paving, Inc. (1) | WV | |
| Joseph B. Fay Company (2) | PA | Wilco Landscape Contractors Ltd. (12) | AB | |
| JPC Group, Inc. (1) | NJ | Wiregrass Construction Co., Inc. (2) | AL | |
| JTL Group, Inc. (1) | WY | Woodward Excavating Co., Inc. (1) | OH | |
| JWright Development, LLC (2) | UT | Yenter Companies (1) | CO | |
| Yerba Buena Eng. & Construction, Inc. (3) | CA |