Inside Sales Representative

Our team is growing and we’re looking for best-in-class talent. We value experienced, career-minded employees who focus on teamwork, professionalism and an unparalleled commitment to customer service. We offer full-time employees a competitive benefits package that includes health, dental and vision insurance, along with life and AD&D insurance, 401k plans, vacation time and more.

Browse positions available at mSupply and throughout our HVAC, plumbing and appliance parts business units nationwide. Use the filters to narrow by department, business unit or location.

Location: Ontario

Job :4097-MARKS SUPPLY

# of Openings:1

About mSupply TM
mSupply is a North American distributor of OEM repair parts and equipment serving the appliance, HVAC and plumbing industries. Headquartered in St. Louis, the company combines industry expertise with a broad product selection and a national distribution network.

With 2,000 employees across the United States and Canada, mSupply delivers speed and reliability at scale, with a vast product inventory and same-day shipping. Its family of brands is focused on making sure customers always get the Right Products. Right Now.

About Marks Supply
Marks Supply has provided HVAC, hydronics, PVF and plumbing products across Ontario since 1962. Along with value-added support, the company offers OEM equipment, replacement parts from industry-best brands including American Standard and Ameristar. For more information, visit

The Inside Sales Representative (ISR) is responsible for managing and developing relationships within an assigned customer base. This role responds to inbound inquiries, conducts targeted outbound outreach, processes orders, resolves customer issues, and provides product and solution guidance aligned to customer needs. The ISR plays a key role in driving revenue, supporting customer retention, and delivering a consistent, high-quality customer experience through accurate execution and effective communication.

• Estimated to make 15-30 outbound calls per day to assigned/designated customers to develop new business and gain share of potential and wallet share/contribution.
• Processes customer requests for pricing, information, and availability regarding products.
• Processes customer orders for products both in stock and special order.
• Identifies, researches, and resolves customer issues using the computer system.
• Responsible for following up on customer inquiries not immediately resolved.
• Provides customers with product and service information and promotes Up-selling products and services.
• Responsible for completing call logs and reports.
• Research billing issues.
• Raise awareness and communicate with management of trends in customer calls.
• Coaches’ customers how they can utilize computer systems to assist in resolving problems.
• Maintains proficiency with company computer systems in aspects related to job, such as data entry, messaging, call logs, data notations, queue updates, batching, or other job & office functions and requirements.
• Other duties as assigned.

High School Diploma or GED equivalent

2 years prior call center experience in a related field, with similar computer requirements

Knowledge of MS Office applications as needed to satisfactorily perform work assignments – Word, Excel, PowerPoint, Outlook, SharePoint as well as can learn company enterprise systems as needed.

Aptitude for mathematical operations and numerical analysis.

This full-time position requires approximately 40 hours per week and involves regular physical and sensory activity, including:

• Prolonged sitting (up to 8 hours), with intermittent standing and walking throughout the shift
• Continuous use of…