The 50 largest companies in Ontario

Prime Healthcareprimehealthcare.com

Operates 51 hospitals and 360 outpatient locations across 14 states, delivering high-quality patient care with recognized safety and excellence.

Heritage Grocers Groupheritagegrocersgroup.com

Specialty, ethnic food retailer with traditional and specialty grocery items, operating in 6 states with multiple store banners Headquarters in Ontario, California

PEPSI COLAonlinecareer360.com

A company based in Oregon, United States that specializes in producing and distributing Pepsi Cola products

Tropicale Foods, LLCtropicalefoods.com

Manufacturer and distributor of premium ice cream novelties ("Paletas") known as Helados Mexico and La Michoacana, produced under the highest food safety standards

Paleteria La Michoacanamichoacana.com

Handcrafting traditional Mexican paletas and frozen fruit CoolStix™ with fresh ingredients like cream, fruits, nuts, and chocolate, known for taste, quality, and innovation

Citizens Business Bankcbbank.com

A leading bank offering banking, lending, and investing services through multiple locations across Southern California, recognized for top performance nationally

Cardenas Markets LLCcardenasmarkets.com

The company provides authentic, fresh products that celebrate life, family, and culture, connecting customers to real flavors and people

OREMOR Automotive Grouporemorautomotive.com

Family-owned auto dealer group with 14 locations in Southern California Focus on empowering team members, exceptional service, reputation, and community involvement

Ajinomoto Foods North America, Inc.ajinomotocareers.com

A leading frozen food manufacturer in North America, creating high-quality, healthy meals across various ethnic categories for distribution channels

City of Ontarioontarioca.gov

A business hub in Southern California, offering competitive advantages for global success with a skilled workforce and innovation corridor of universities

CHAFFEY JOINT UNION HIGH SCHOOL DISTRICTcjuhsd.net

A high school district serving multiple communities in California, with approximately 24,000 students, making it the second largest in the state

KeHE & DPI Specialty Foodskehe.com

Specializing in gourmet, natural, organic, and ethnic foods, this company distributes specialty food products across the Western United States

Town & Countryexpireddomains.com

Real estate agency providing efficient systems and traditional experience for memorable buying/selling experiences Offers career support to grow in the industry

Calibrated Healthcarecalibratedhealthcare.com

Specializing in managed care services, we focus on re-engineering processes, utilizing tech solutions, and investing in staff to provide value to partners' evolving healthcare needs

Ajinomoto Windsor, Inc.ajinomotofoods.com

Specializing in food products, the company has transitioned to a new page under Ajinomoto Foods North America, Inc, continuing its operations

Feathersoftfeathersoft.com

Global IT solutions provider specializing in developing and implementing database-driven applications for enterprises, offering real-time information access across browsers and mobile

HCI Systems, Inchcisystems.net

A leading California low voltage technology and sprinkler company offering design, engineering, and maintenance services for fire protection and life safety systems

Gold Star Foodsgoldstarfoods.com

A leading provider of wholesome food supporting K-12 School Nutrition Programs with supply systems and personalized customer service for millions of students daily

Full Steam Staffingfullsteamstaffing.com

Privately owned national leader in recruitment, staffing, and HR solutions with customized partnerships for clients nationwide and focus on customer service excellence

Treasure Valley Community Collegetreasurevalleycc.edu

A community college offering high-quality education with a focus on inclusivity, diversity, and meeting the needs of students and the community

Shiekh Shoes LLCshiekh.com

A parent company of footwear and apparel retailers, specializing in urban subculture fashion, contemporary trends, and unique high-end fashion for young consumers

Optimax Systems, Inc.optimaxsi.com

A leading optics manufacturer specializing in high-precision optics and optical systems for space, lasers, semiconductor, providing innovative technology and engineering solutions

Certified Aviation Servicescertifiedaviation.com

Global provider of MRO services for aviation fleet operators, lessors, OEMs, and Adjusters with a nationwide network offering maintenance, modifications, overhauls, and repairs

Shiekh Shoesshiekh.com

The company offers a wide variety of affordable and trendy footwear for women and men, including high heels, pumps, sneakers, and more

Lifeways, Inc.lifeways.org

Provider of comprehensive mental health services, offering therapy for individuals, couples, families, and groups across all ages to address a range of mental health issues

REAL Journey Academiesrealjourney.org

Non-profit charter school organization increasing college entrance and graduation rates for under served students in the Inland Empire, revitalizing communities through education partnerships

Workforce Enterprisesworkforceenterprises.net

Specializing in temporary and contract staffing, providing employers with skilled employees and helping individuals find rewarding temporary and career opportunities

RENOGYrenogy.com

Renewable energy company empowering sustainable living through plug & play products for off-grid, home energy storage, and industry applications Mission-driven, innovative, and customer-centric global team

FAYAfayausa.com

A cutting-edge company specializing in technology, creative, and marketing services, striving to innovate in web, mobile, and wearable software solutions

Geo-Logic Associates, Inc.geo-logic.com

Employee-owned consulting firm offering multidisciplinary services in engineering, geology, hydrogeology, environmental compliance, and water resources for various projects across 27 US locations

Gateway Seminary of the Southern Baptist Conventiongs.edu

A graduate theological school of the Southern Baptist Convention shaping leaders to expand God's kingdom worldwide through five regional campuses

Air Control Systemsaircontrolsystems.net

Commercial HVAC provider in Southern California offering design, engineering, installation, and service Over 25 years of experience with a focus on customer satisfaction

GanoLife Internationalzar.pe

GanoLife™ offers premium products infused with Ganoderma to improve everyday comforts, health, and beauty care, while empowering people through a powerful distribution model

Empire Workforce Solutionsempireworkforcesolutions.com

A company specializing in staffing and recruiting services with a focus on providing premier talent solutions to businesses

Aliquantum Internationalaqi-intl.com

Global manufacturer, distributor, and licensee of lifestyle brands and products, delivering to leading retailers worldwide and operating e-commerce platform

Acrisure - Cumbre Insurance Servicescumbreinsurance.com

A top-tier full-service insurance brokerage and risk management firm with over 30 years of experience, focusing on client satisfaction and innovation

POWER GRADE INC.powergradeinc.com

A leading provider of utility scale infrastructure solutions, specializing in modernizing the electrical grid and supporting a sustainable energy future

GU Eagle America, Inc.gueagle.com

High tech enterprise manufacturing laser equipment with comprehensive product line, expert support, affordable prices, immediate delivery, local service, and long warranty

Alger Precision Machining, LLCalgerprecision.com

Full-service provider of high-volume, medium complexity precision metal components using CNC and automatic screw machines for diverse OEM applications.

Elite Logistics and Fulfillment, LLCelitelf.com

Elite Logistics and Fulfillment provides quality fulfillment, distribution, warehouse management, logistics, and transportation services, helping businesses meet customer needs worldwide

Sunyeah Group Incsunyeah.us

A global glass manufacturer with 20 years of experience, specializing in tempered, low-emissivity, laminated, and sealed insulation glass with innovative design capabilities

Bristol Machine Companybristolmachinecompany.com

A global distributor and manufacturer of industrial and construction products, specializing in structural fastening systems, with extensive manufacturing and fabrication capabilities

GoJanegojane.com

An online retailer offering trendy fashion clothing, shoes, and accessories, inspiring customers to evolve with the ever-changing fashion industry while staying true to personal style

Miracle Miles Inc.miraclemiles.co

A company designing durable and stylish shoes for women on the go, focusing on customer care, community support, and employee growth

Power Commercial Insurancepowercib.com

Tailored commercial insurance solutions to empower businesses, ensuring security and success through expert industry knowledge and lasting trust-based relationships

All IN 1 Logistical Solutions

The company provides experienced logistics services such as loading/unloading, forklift operations, warehousing, and supply chain solutions with a focus on cost efficiency and exceeding customer expectations

Bisimoto Engineeringbisimoto.com

A leader in high performance automotive parts design and engineering, specializing in Porsche and OE manufacturers for race, tuning, and brand marketing

Tiltedsole.comtiltedsole.com

High end shoe retailer offering fashion-forward footwear for women, men, and children, ranging from platforms and heels to sneakers and boots

CHENBRO MICOMUSA INC

A machinery company located in Ontario, California, specializing in manufacturing various equipment and machinery for industrial applications

ODIN Materialsodinmaterials.com

This company creates environmentally responsible materials from carbon capture processes to support innovative technologies and the shift towards greener technologies