| Name | Exp Date | Company Name |
| | | | |
| Antoline | Joseph | 9/22/2010 | Grand River Construction Inc. |
| Atwell | Craig | 2/10/2010 | Gambles Redi-Mix |
| Bar | Joseph | 4/6/2010 | RA Holmes Construction |
| Beasley | Tom | 1/31/2011 | B & B Concrete Placement |
| Behnke | Dale | 4/29/2013 | Duckworth Brothers, Inc. |
| Bennett | David | 3/11/2013 | Walbridge Aldinger |
| Binkowski | Tom | 1/31/2011 | Barton Malow Company |
| Binkowski | Don | 1/31/2011 | Barton Malow Company |
| Biundo | Nunzio | 3/11/2013 | Lilo's Construction |
| Blattert | Jason | 3/11/2013 | Walbridge Aldinger |
| Bohn | Douglas | 3/11/2013 | Pro-Crete Ltd. |
| Brink | Rob | 2/12/2013 | Bayside Concrete |
| Brower | James | 2/10/2010 | Professional Concrete Construction |
| Bullens | David | 9/22/2010 | Grand River Construction Inc. |
| Campbell | Phillip | 2/23/2010 | Merlo Construction Company |
| Carpenter | Robert | 4/29/2013 | K-C Masonry |
| Casadei | Steven | 2/17/2011 | Coriano Construction Company |
| Censoni | Carl | 4/6/2010 | Serravalle Construction |
| Censoni | Steve | 4/6/2010 | Serravalle Construction |
| Ciupka | Robert | 2/10/2010 | MDOT - Atlanta |
| Cook | James | 2/10/2010 | Professional Concrete Construction |
| Cooke | Russell | 2/17/2011 | Coriano Construction Company |
| Cornell | Michael | 9/22/2010 | Christman Constructors |
| Crouch | John | 4/6/2010 | Nobel Concrete |
| Davis | Norman | 9/22/2010 | Grand River Construction Inc. |
| DeJongh | Greg | 9/22/2010 | Plasterers & Cement Masons Local 1 |
| Derr | Keith | 2/12/2013 | CLM Construction Company |
| Desbrough | Matt | 2/12/2013 | CLM Construction Company |
| DiCicco | Mark | 2/23/2010 | Oliver C. De Luca Company |
| Donohue | Jason | 2/23/2010 | Phil Pitters Concrete & Masonry |
| Dow | Lowren | 4/19/2009 | |
| Duckworth | Allen | 4/29/2013 | Duckworth Brothers, Inc. |
| Dupont | Andrew | 2/23/2010 | Cement Masons Local 514 |
| Emert | Jody | 2/12/2013 | Fessler & Bowman, Inc. |
| Erngren | Dennis | 2/23/2010 | Oliver C. De Luca Company |
| Evangelista | David | 3/11/2013 | Walbridge Aldinger |
| Fanelli | Aldo | 11/20/2009 | |
| Fillar | George | 2/23/2010 | Walbridge Aldinger |
| Forward | Bradley | 4/29/2013 | Tridonn Construction |
| Freeman | Randall | 11/5/2009 | |
| Fuller | Chris | 1/31/2011 | Kent Companies |
| Fuller | Kerry | 1/31/2011 | Kent Companies |
| Gaba | Nicholas | 2/23/2010 | G-Construction |
| Gallegos | Ricky | 2/17/2011 | GM and Sons, Inc. |
| Gamble | Ken | 2/10/2010 | Gambles Redi-Mix |
| Gamble | Kevin | 2/12/2013 | Superior Concrete Construction |
| Garrett | Jeff | 11/20/2009 | |
| Gasparott | James | 4/29/2013 | JL Gasparott, Inc. |
| Gashaj | Vilma | 3/11/2013 | ACI |
| Gianino | Paul | 3/11/2013 | Walbridge Aldinger |
| Gomez | Rueben | 9/22/2010 | Lansing Poured Walls |
| Grice | Mark | 2/10/2010 | Lee Construction |
| Gross | Matt | 2/12/2013 | Fessler & Bowman, Inc. |
| Gwisdalla | Chris | 2/12/2013 | Superior Concrete Construction |
| Gwisdalla | Raymond | 2/12/2013 | Superior Concrete Construction |
| Hamilton | Antwanisha | 3/11/2013 | ACI |
| Harvat | Louis | 4/19/2009 | |
| Havenaar | Edward | 9/22/2010 | Graham Construction |
| Hayward | Rock | 9/22/2010 | Grand River Construction Inc. |
| Herring | Michael | 3/11/2013 | Superior Concrete Construction |
| Hertz | Gary | 2/12/2013 | Exterme Concrete, Inc. |
| Hinton | Billy | 4/6/2010 | Kerson Construction |
| Hubbard | Sherman | 3/11/2013 | Panther Construction |
| Hugo | Mark | 4/6/2010 | Wobig Construction |
| Incarnati | Anthony | 11/20/2009 | |
| Jelsema | Thomas | 8/17/2009 | |
| Jelsema | Tim | 8/17/2009 | |
| Jones | Chris | 3/11/2013 | 4-Corners Construction |
| Karafa | James | 4/29/2013 | Tridonn Construction |
| Keyes | Scott | 2/12/2013 | Fessler & Bowman, Inc. |
| Klapmust | Jake | 2/17/2011 | Kamminga & Roodvoets, Inc. |
| Koester | Russell | 3/11/2013 | Scott's Quality Concrete, Inc. |
| Krenn | David | 9/22/2010 | Grand River Construction Inc. |
| Kretz | Jim | 3/11/2013 | Walbridge Aldinger |
| Krueger | Michael | 3/11/2013 | Krueger & Sons, Inc. |
| LaCross | Brian | 4/29/2013 | Tridonn Construction |
| Lambourn | Brian | 4/6/2010 | Kerson Construction |
| Lester | Daniel | 4/5/2010 | Contek Inc. |
| Lewis | Julian | 3/11/2013 | Walbridge Aldinger |
| Limbacher | Dan | 2/17/2011 | Coriano Construction Company |
| Liparoto | Stefano | 3/11/2013 | Liparoto Construction |
| Lovell | Tony | 2/17/2011 | Kamminga & Roodvoets, Inc. |
| Malcuit | Brett | 11/5/2009 | |
| Manning | Robert | 3/23/2010 | |
| Marshall | Albert | 11/20/2009 | |
| Martindale | Dallas | 9/22/2010 | Lansing Poured Walls |
| Miley | Robert | 2/17/2011 | Pyramid Concrete Inc. |
| Millard | Roger | 2/10/2010 | MDOT - Atlanta |
| Mills | Richard | 11/5/2009 | |
| Moore | Thomas | 11/20/2009 | |
| Mullendore | Daniel | 8/17/2009 | |
| Munoz | Efren | 2/23/2010 | Merlo Construction Company |
| Olson | Greg | 2/23/2010 | Oliver C. De Luca Company |
| Peddie | Ryan | 2/12/2013 | J Peddie Concrete |
| Peddie | John | 2/12/2013 | J Peddie Concrete |
| Pitters | Phil | 2/23/2010 | Phil Pitters Concrete & Masonry |
| Pomerville | Justin | 4/6/2010 | Henry Excavating |
| Potter | Howard | 2/17/2011 | Kamminga & Roodvoets, Inc. |
| Predkelis | John | 9/22/2010 | Grand River Construction Inc. |
| Ramirez | Jose | 11/20/2009 | |
| Randall | Clint | 11/20/2009 | |
| Rosado | John | 2/23/2010 | Walbridge Aldinger |
| Rosendale | Eric | 9/22/2010 | Lansing Poured Walls |
| Rubritius | Dave | 2/17/2011 | Gallo Construction Inc. |
| Russ | Bill | 1/25/2010 | Davis Construction |
| Scott | Duane | 3/11/2013 | Scott's Quality Concrete, Inc. |
| Sharrer | David | 9/22/2010 | Grand River Construction Inc. |
| Sinclair | Adelbert | 2/23/2010 | Walbridge Aldinger |
| Smith | Matt | 4/6/2010 | RA Holmes Construction |
| Somers | Dave | 4/23/2010 | Compeau Brothers Inc. |
| Spuller | Kevin | 4/6/2010 | Carr Creek Construction |
| Steinbrook | Andrew | 9/22/2010 | Grand River Construction Inc. |
| Teeple | Troy | 4/29/2013 | Custom Coatings |
| Terenzi | Steve | 2/17/2011 | Coriano Construction Company |
| Tripp | Bill | 1/25/2010 | Davis Construction |
| Vasold | Greg | 4/6/2010 | Wobig Construction |
| Vaughn | Jim | 2/12/2013 | Modern Concrete |
| Villeda | Carlos | 3/11/2013 | Superior Concrete Construction |
| Walker | Keino | 9/22/2010 | Grand River Construction Inc. |
| Wallace | Matt | 2/10/2010 | Wallace Construction |
| Watters | Ryan | 11/5/2009 | |
| Weldon | Dave | 2/10/2010 | Weldon's Transit Mix Inc. |
| Weldon | Darrell | 2/10/2010 | Weldon's Transit Mix Inc. |
| Woodley | Craig | 2/12/2013 | Fessler & Bowman, Inc. |
| Yarch | Ronald | 11/5/2009 | |
| Yerian | Kevin | 2/12/2013 | Fessler & Bowman, Inc. |
| Yoder | Jody | 2/10/2010 | Premiere Concrete Solutions |
| Zeller | Jeremy | 3/11/2013 | Walbridge Aldinger |