- 2018 Jack Starner Mine Land Reclamation Award - Rifle Quarry
- 2018 Interstate Mining Compact Commission Award - Rifle Quarry
- 2018 NSSGA Silver Environmental Excellence Award - LF Quarry
- 2018 NSSGA Silver Environmental Excellence Award - Rifle Quarry
- 2018 NRMCA Commitment to Environmental Excellence - Third Place - Steamboat Ready Mix
- 2018 NRMCA Commitment to Environmental Excellence - Second Place - Rapid City West Ready Mix
- 2017 Wyoming State Mine Inspector Certificate of Achievement for a Perfect Safety Record - Jonathon Quarry
- 2017 Wyoming State Mine Inspector Certificate of Achievement for a Perfect Safety Record - Wyoming Lime Producers
- 2016 MSHA Certificate of Achievement in Safety - Wyoming Lime Producers
- 2016 NSSGA Bronze Safety Excellence Award - Wasta Sand Plant
- 2016 Wyoming Contractors Association Zero Incident Award - Wyoming Lime Producers
- 2016 MSHA Certificate of Achievement in Safety - Rawlins Quarry
- 2016 MSHA Certificate of Achievement in Safety - Nemo Quarry
- 2016 MSHA Certificate of Achievement in Safety - Oral Sand Plant
- 2016 MSHA Certificate of Achievement in Safety - Wasta Sand Plant
- 2016 MSHA Certificate of Achievement in Safety - LaPorte Hydrate Plant
- 2016 NRMCA Excellence in Safety Award - Gold Level - Gillette Ready Mix
- 2016 NRMCA Excellence in Safety Award - Gold Level - Ft Pierre Ready Mix
- 2016 NRMCA Excellence in Safety Award - Gold Level - Lead Ready Mix
- 2016 NRMCA Excellence in Safety Award - Gold Level - Rapid City East Ready Mix
- 2016 NRMCA Excellence in Safety Award - Gold Level - Spearfish Ready Mix
- 2016 NRMCA Excellence in Safety Award - Gold Level - Sturgis Ready Mix
- 2016 NRMCA Commitment to Environmental Excellence - Third Place - Sturgis Ready Mix
- 2015 South Dakota Safety Council - Meritorious Achievement Award in Occupational Safety - SD Administrative, Corporate, and Professional Team
- 2015 Wyoming State Mine Inspector Certificate of Achievement for a Perfect Safety Record - Wyoming Lime Producers
- 2015 Wyoming Contractors Association Zero Incident Award - Wyoming Lime Producers, Gillette Ready Mix, Portable Plant
- 2015 MSHA Certificate of Achievement in Safety - LaPorte Hydrate Plant
- 2015 MSHA Certificate of Achievement in Safety - Wasta Sand Plant
- 2015 MSHA Certificate of Achievement in Safety - Wyoming Lime Producers
- 2015 NRMCA Excellence in Safety Award - Gold Level - Gillette Ready Mix
- 2015 NRMCA Excellence in Safety Award - Gold Level - Ft Pierre Ready Mix
- 2015 NRMCA Excellence in Safety Award - Gold Level - Lead Ready Mix
- 2015 NRMCA Excellence in Safety Award - Gold Level - Steamboat Springs Ready Mix
- 2015 NRMCA Excellence in Safety Award - Gold Level - Portable Ready Mix
- 2015 NRMCA Excellence in Safety Award - Gold Level - Rapid City West Ready Mix
- 2015 NRMCA Excellence in Safety Award - Gold Level - Spearfish Ready Mix
- 2015 NRMCA Excellence in Safety Award - Gold Level - Sturgis Ready Mix
- 2014 NRMCA Excellence in Safety Award - Gold Level - Steamboat Springs Ready Mix
- 2014 NRMCA Excellence in Safety Award - Gold Level - Rapid City East Ready Mix
- 2014 NRMCA Excellence in Safety Award - Gold Level - Gillette Ready Mix
- 2014 NRMCA Excellence in Safety Award - Gold Level - Spearfish Ready Mix
- 2014 NRMCA Excellence in Safety Award - Gold Level - Lead Ready Mix
- 2014 NRMCA Excellence in Safety Award - Gold Level - Ft Pierre Ready Mix
- 2014 NRMCA Excellence in Safety Award - Gold Level - Colorado Springs Ready Mix
- 2014 NRMCA Excellence in Safety Award - Bronze Level - Rapid City West Ready Mix
- 2014 South Dakota Safety Council - Meritorious Achievement Award in Occupational Safety - Rapid City Pump Shop
- 2014 South Dakota Safety Council - Meritorious Achievement Award in Occupational Safety - Dakota Block Company
- 2014 South Dakota Safety Council - Meritorious Achievement Award in Occupational Safety - Ft Pierre Ready Mix
- 2014 South Dakota Safety Council - Meritorious Achievement Award in Occupational Safety - Nemo Quarry
- 2014 South Dakota Safety Council - Meritorious Achievement Award in Occupational Safety - Cheyenne River Spec Mix
- 2013 NSSGA Safety Excellence - Portable Wash Plant
- 2013 NSSGA Safety Excellence - Rawlins
- 2013 NSSGA Safety Excellence - Hartville
- 2013 NSSGA Safety Excellence - Wasta
- 2014 NRMCA Commitment to Environmental Excellence - Silver Award - Roberts Quarry
- 2014 NRMCA Commitment to Environmental Excellence - Bronze Award - Black Hawk Quarry
- 2014 NRMCA Commitment to Environmental Excellence - Honorable Mention - Rapid City East Ready Mix
- 2013 MSHA Certificate of Achievement in Safety - Oral Sand Plant
- 2013 MSHA Certificate of Achievement in Safety - Creston Sand Plant
- 2013 MSHA Certificate of Achievement in Safety - LaPorte Hydrate Plant
- 2013 National Stone Sand and Gravel Environmental Excellence Bronze Award Vondriska Quarry
- 2013 Wyoming State Mine Inspector-Certificate of Achievement Perfect Safety Record – Portable Plant #1
- 2013 NRMCA Excellence in Safety Award - Gold Level - Portable Ready Mix
- 2013 NRMCA Excellence in Safety Award - Gold Level - Ft Pierre Ready Mix
- 2013 NRMCA Excellence in Safety Award - Gold Level - Lead Ready Mix
- 2013 NRMCA Excellence in Safety Award - Gold Level - Spearfish Ready Mix
- 2013 NRMCA Excellence in Safety Award - Gold Level - Sturgis Ready Mix
- 2013 NRMCA Excellence in Safety Award - Gold Level - Rapid City East Ready Mix
- 2013 NRMCA Excellence in Safety Award - Gold Level - Steamboat Springs Ready Mix
- 2013 NRMCA Excellence in Safety Award - Bronze Level - Gillette Ready Mix
- 2013 NRMCA Commitment to Environmental Excellence - Spearfish Ready Mix
- 2012 NSSGA Safety Excellence – Hartville Quarry
- 2012 NSSGA Safety Excellence - Wasta Sand Plant
- 2012 NSSGA Safety Excellence - Portable Wash Plant
- 2011 NSSGA Safety Excellence– Hartville Quarry
- 2011 NSSGA Safety Excellence - Wasta Sand Plant
- 2011 NSSGA Safety Excellence - Portable Wash Plant
- 2010 NRMCA Excellence in Safety Award- Gold Level – Gillette Ready Mix
- 2010 NRMCA Excellence in Safety Award- Gold Level - Ft. Pierre Ready Mix
- 2010 NRMCA Excellence in Safety Award- Gold Level - Northern Black Hills Ready Mix
- 2010 NRMCA Excellence in Safety Award- Gold Level - Steamboat Springs Ready Mix
- 2010 NRMCA Excellence in Safety Award- Bronze Level - Colorado Springs Ready Mix
- 2010-National Stone Sand and Gravel Excellence in Community Relations Silver Award for Pete Lien & Sons, Inc.
- 2010-National Stone Sand and Gravel Environmental Excellence Bronze Award for Black Hawk and Rawlins Quarry
- 2010-South Dakota Department of Environment and Natural Resources 2010 Excellent Operation and Maintenance Award
- 2010-National Ready Mixed Concrete Association Honorable Mention "for making the Rapid City West Plant an outstanding example of environmentally sound management for the ready mixed concrete industry".
- 2009-Department of Environment and Natural Resources Excellent Operation and Maintenance Award
- 2009-Environmental Excellence Silver Award for Vondriska Quarry
- 2009-Environmental Excellence Bronze Award for Black Hawk Quarry
- 2009-Excellence in Community Relations Bronze Award for Rapid City Mill and Quarry
- 2009 Wyoming State Mine Inspector-Certificate of Achievement Perfect Safety Record – Wyoming Lime Producers
- 2009 WY Contractors Association First Place Safety Award - Pete Lien & Sons, Inc.
- 2009 NSSGA Safety Excellence Award - Portable Wash Plant
- 2009 NSSGA Safety Excellence Award - Wasta Sand Plant
- 2009 NSSGA Safety Excellence Award - Oral Sand Plant
- 2009 NSSGA Safety Excellence Award - CLC Portable-Rawlins
- 2009 NSSGA Safety Excellence Award - Creston Sand Plant
- 2009 MSHA Sentinels of Safety Achievement - S&G Portable
- 2009 MSHA Sentinels of Safety Achievement - Creston Sand Plant
- 2009 MSHA Sentinels of Safety Achievement - Rapid City Quarry and Mill
- 2009 MSHA Sentinels of Safety Achievement - Wasta Sand Plant
- 2009 MSHA Sentinels of Safety Achievement - Oral Sand Plant
- 2009 MSHA Sentinels of Safety Achievement - Owl Canyon Quarry and Mill