Inside Sales Representative

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

An inside sales representative at United Rock Products plays a crucial role in driving the company's sales within the construction and aggregate industry. Their primary duties include identifying and prospecting potential customers, building strong relationships with existing and new clients, and providing them with valuable product information and technical assistance. By understanding customer needs, the inside sales representative can effectively recommend the most suitable aggregate products to meet those needs. They are responsible for generating sales leads, following up on inquiries, and providing tiered price quotations. Additionally, the inside sales representative, will assist customers and credit manager reconcile invoices by researching tickets and resolving errors. The inside sales representatives will also be responsible for providing quotations from sales quoting software and ensuring accurate orders in accounting software (JWS). 

This role will also handle order processing and coordinate product deliveries to ensure customer satisfaction. Collaboration with the outside sales team is essential to meet sales targets and stay updated on industry trends, products, and competitors. Overall, the inside sales representative's commitment to excellent customer service and their ability to resolve any issues or complaints related to sales contribute to the success of United Rock Products.

Main Responsibilities

  • Identifying and prospecting potential customers within the construction industry (aggregates, inert fill and asphalt).
  • Building and maintaining strong relationships with existing and new clients.
  • Providing product knowledge, technical assistance, and solutions to customers.
  • Understanding customer needs and recommending appropriate construction materials.
  • Generating sales leads and following up on inquiries.
  • Conducting product presentations and demonstrations.
  • Preparing and presenting sales proposals and quotes.
  • Processing orders and coordinating product deliveries.
  • Collaborating with the outside sales team to meet sales targets.
  • Monitor and research weekly Dodge Construction leads-send leads to appropriate sales team members.
  • Monitor and research weekly municipalities websites within our market for upcoming projects-send leads to appropriate sales team members 
  • Keeping up-to-date with industry trends, products, and competitors.
  • Maintaining accurate sales records and CRM databases – currently Mobile Sales and JWS (subject to change)
  • Working with customers and Sully-Miller credit manager to resolve billing and invoicing issues; particularly in providing back-up and tickets to customers as needed 
  • Providing excellent customer service and addressing any customer issues or complaints.
  • Participating in sales meetings, trainings, and conferences.
  • Contributing to the development of sales strategies and marketing initiatives.
  • Duties included here are not all inclusive and company reserves right to assign other duties as it deems necessary. 

Education and Experience


  • High school diploma or equivalent 
  • A bachelor's degree in business, marketing, sales, or a related field may be preferred, but is not always mandatory.


  • 3 to 5 years previous experience in inside sales or a related customer service role is often preferred.
  • Experience in the construction industry or familiarity with construction materials is highly valued’ particularly aggregates, inert fill and asphalt. 
  • Knowledge of construction terminology, products, and processes is advantageous.
  • Proven track record of meeting or exceeding sales targets and quotas.
  • Strong communication (oral and written) and interpersonal skills to effectively engage with customers.
  • Proficiency in using CRM software and other sales tools; specifically Mobile Sales and/or JWS
  • Excellent negotiation and presentation skills.
  • Ability to work independently as well as part of a team.
  • Time management and organizational skills to handle multiple tasks and priorities effectively.


The desired skills and abilities for a construction material inside sales representative include:

  • Product Knowledge
  • Sales and Negotiation Skills
  • Customer Service Orientation
  • Technical Aptitude: Proficiency in using sales software, CRM systems, and other relevant tools is beneficial. 
  • Problem-Solving Abilities: The capacity to identify and address customer challenges or concerns, and provide appropriate solutions, is essential. 
  • Adaptability and Resilience
  • Construction Materials Industry Knowledge (aggregates, asphalt and inert fill) 
  • Must have a strong, team-oriented work ethic with strong focus on safety and environmental compliance.
  • A valid California driver’s license

Physical Requirements

As the role primarily involves office-based, the physical requirements are minimal as noted below: 

  • Mobility: The ability to move around within the office environment, including sitting, standing, and walking, is necessary for tasks such as attending meetings or accessing office equipment.
  • Manual dexterity: Proficiency in using computer systems, keyboards, and other office equipment requires good hand-eye coordination and manual dexterity.
  • Vision: Clear vision is important for reading and analyzing sales documents, product specifications, and customer communications.
  • Hearing: Good hearing ability is necessary for effective communication, both in person and over the phone.
  • Speaking: Clear and articulate verbal communication skills are vital for interacting with customers, colleagues, and other stakeholders.

It's important to note that these physical requirements may change over time and the company provides accommodations, when available, for individuals with disabilities.

Sully Miller and United Rock Values

Workplace Values:

United Rock Products is guided by a set of workplace values that help shape our organizational culture; these values include:

  • Safety: a safety-first mindset and promote a culture of safety throughout the business
  • Integrity:  a high standard of professionalism, trust, and respect
  • Sustainability: minimize our environmental impact and promote social responsibility
  • Excellence: a culture of continuous improvement and innovation
  • Collaboration: open communication, knowledge sharing, and a supportive work environment
  • Customer Focus: a strong emphasis on understanding and meeting customer needs.

These workplace values serve as guiding principles for our employees in delivering quality construction solutions to our customers while upholding the highest ethical standards.

Colas Inc. and its subsidiaries are an Equal Opportunity Employer. For details on the specifics of this commitment, please click here to view the EEO document.  If you are an individual with a disability and require a reasonable accommodation to:

  • to meet the requirements of the role in which you are applying
  • complete any part of the application process
  • access or use the online application process and need an alternative method for applying

Please contact Colas Inc. at 973-290-9082 or send an email to

Nearest Major Market: Los Angeles