Career Opportunities

Certifications

Click the links below to view the associated current certification:

For previous certifications contact us here.

 

Certification DBB DSB 06-02-2022 THRU 06-02-2023

WC CERT Superior_Materials_LLC cert 2023- EXPIRES 07-24-2024

Ann Arbor Plant (38)

plt 38 admix 11-01-2023 to 02-01-2024
PLT 38 NRMCA Plant 38 05-25-2025
plt 38 scale 08-10-2023 to 02-09-2024

Flint Plant (20)

plt 20 admix 07-21-2023 to 10-21-2023
PLT 20 NRMCA Plant 20 05-25-2025
plt 20 scale 04-14-2023 to 10-14-2023

Lansing Plant (14)

plt 14 admix 12-11-2023 to 03-11-2024
Plt 14 NRMCA 04-07-2022 to 04-09-2024
plt 14 scale 09-25-2023 to 03-26-2024

Novi Plant (102)

Plt 102 admix 01-01-2023 to 04-01-2024
plt 102 NRMCA 11-23-2021 to 01-28-2024
plt 102 scale 10-27-2023 to 04-27-2024

Auburn Hills Plant (36)

Plt 36 admix 01-06-2024 to 04-06-2024
plt 36 NRMCA 11-23-2021 to 01-28-2024
plt 36 scale 11-08-2023 to 05-09-2024

Hoover Plant (02)

plt 02 admix 11-01-2023 to 02-01-2024
PLT 02 NRMCA Plant 02 07-07-2025
Plt 02 scale 01-08-2024 to 07-08-2024

Lapeer Plant (23)

plt 23 admix 08-17-2018 to 11-17-2018
plt 23 NRMCA 4-20-2017 to 5-25-2019
plt 23 scale 08-15-2018 to 02-15-2019

Romulus Plant (35)

plt 35 admix 01-06-2024 to 04-06-2024
plt 35 NRMCA 05-10-2022 to 05-21-2024
Plt 35 scale 09-26-2023 to 03-27-2024

Brighton Plant (103)

plt 103 admix 12-01-2023 to 03-01-2024
PLT 103 NRMCA Plant 103 05-25-2025
plt 103 scale 08-22-2023 to 02-21-2024

Jefferson Plant (32)

plt 32 admix 07-01-2023 to 10-01-2023
plt 32 NRMCA 11-23-2021 to 01-28-2024
plt 32 scale 10-16-2023 to 04-16-2024

Mt. Clemens (101)

plt 101 admix 11-01-2023 to 02-01-2024
PLT 101 NRMCA Plt 101 05-26-2025
plt 101 scale 10-27-2023 to 04-27-2024

Sterling Heights Plant (39)

plt 39 admix 11-01-2023 to 02-01-2024
plt 39 NRMCA 11-23-2021 to 01-28-2024
Plt 39 scale 01-05-2024 to 07-06-2024