Scale Clerk

Subsidiary: Sully Miller Holding Co.


United Rock Products is one of the companies that operates within Sully-Miller Contracting Co., the Colas USA subsidiary that operates throughout Southern California. We are part of Sully-Miller Companies consisting of Sully-Miller Contracting Co., Blue Diamond Materials and United Rock Products. Each company supports the other. United Rock provides the aggregate, Blue Diamond Materials provides the hot and warm mix asphalt manufacturing, and Sully-Miller Contracting executes the projects. Mining of construction aggregates at United Rock Products in the San Gabriel Valley has taken place since 1916. Our top-rated 300-acre site is located in Irwindale, California, just 25 miles east of Los Angeles. Virgin aggregate material is processed into sand and gravel through cutting-edge crushing and screening operations. To learn more about United Rock Products visit

Throughout Colas USA, we provide competitive pay, outstanding benefits, career advancement opportunities, professional education, and extensive training for every employee. We pride ourselves on upholding the highest standards of safety, environmental conservation, and ethical conduct as we strive to grow our infrastructure products and services through empowering and developing our people, fostering innovation, utilizing new technology, and maximizing vertical integration at all levels of the company’s value chain. To learn more about the Colas USA Family of Companies, please visit

United Rock Products, and the rest of the Colas USA Family of Companies, is part of the Colas Group, the worldwide leader in transportation infrastructure construction and maintenance. For information on our international network visit

Job Summary


The primary responsibility of the Scale Clerk is to legally weigh and ticket customer trucks entering or leaving the facility. The Scale Clerks also provide additional customer service duties including, but not limited to: quoting, inputting orders into JWS, accepting orders, scheduling haulers (on FOB orders), communicating with haulers on stockpile locations or loading and dumping area, checking compliance of inbound materials and ensuring compliant loads are accurately ticketed for our customers. The Scale Clerks are also responsible for communicating customer needs and following up on customer complaints. 

Main Responsibilities



  • Provide excellent Customer Service 
  • Load customer trucks from bunkers or direct trucks to proper stockpile location
  • Communicate with loader operators to ensure acceptable truck turnaround time Communicate with loader operators to ensure acceptable truck turnaround time 
  • Perform housekeeping (clean, shovel, remove trash and debris) to ensure a safe, clean and complaint operation   
  • Ensure site remains compliant with all MSHA, CALOSHA and EPA standards 
  • Other duties as outlined by Site Manager and Sales Manager 
  • Ensure operations is aware of upcoming sales demands on blended and specialty products  



  • 2 years scale clerk experience or equivalent preferred  
  • Knowledge of California DOT Hauler regulations preferred
  • Strong computer skills with preference given to employees with JWS knowledge preferred 
  • Willingness to learn and use web-based systems such as MobileSales for quoting  
  • Must have a valid driver’s license and be able to drive company vehicle 
  • Understands MSHA and CALOSHA regulations 
  • Must have a strong, team-oriented work ethic with strong focus on safety and environmental compliance 


Colas Inc. and its subsidiaries (United Rock Products) are an Equal Opportunity Employer. For details on the specifics of this commitment, please click here to view the EEO document. If you need an accommodation to access the information provided on this website, please contact Colas Inc. 973-290-9082 or send an email to

Nearest Major Market: Los Angeles