Top Companies With 401(k) Programs (10,000+)

Lambda provides computation to accelerate human progress. We're a team of Deep Learning engineers building the world's best GPU workstations and servers. Our products power engineers and researchers at the forefront of human knowledge. Customers include Microsoft, MIT, Los Alamos National Lab, Disney, Tencent, Kaiser Permanente, Stanford, Harvard, Caltech, and the Department of Defense.

Yokly is a US-based Remote Operations Partner that provides managed remote teams and virtual assistants to help businesses delegate tasks, streamline operations, and automate workflows. The company specializes in administrative support, lead generation, creative services, and financial management. By offering structured, scalable solutions, Yokly enables entrepreneurs and enterprises to focus on growth and innovation while maintaining enterprise-grade security and operational...

532 Group LLC is an innovation, operations, and technology consulting firm that provides specialized services to government, health, and financial sector clients. The firm is notable for solving complex code, data, operations, and security problems, delivering significant performance improvements and building better government services for the U.S. Federal Government, acting as a catalyst that turns passion into social impact.

ON2IT is a global pure-play cybersecurity service provider specializing in Zero Trust solutions. They offer managed security services that protect data, ensure compliance, and stop threats.

ABOUT US At Millennium Enterprise Corporation, clients are our top priority. We’re not satisfied until our client is fully satisfied with our work and with the relationship they have with us. We make the client's priorities our own because we understand the importance of the work they entrust to us. As a company and as individuals, we value integrity, honesty, and professionalism....

Our team at American Electric Power is committed to improving our customers' lives with reliable, affordable power. We are investing $54 billion from 2025 through 2029 to enhance service for customers and support the growing energy needs of our communities. Our nearly 16,000 employees operate and maintain the nation's largest electric transmission system with 40,000 line miles, along with more...

Founded in 1902, Fidelity Bank is a community bank serving Northeast Pennsylvania and the Lehigh Valley. The bank offers a comprehensive range of personal and business banking, home loans, and investment services. Recognized for its exceptional client experience and commitment to the community, it actively supports local nonprofit organizations through significant volunteer efforts and financial contributions across its markets.

eClinicalWorks is a privately held leader in healthcare IT, providing comprehensive Electronic Health Record (EHR) and Practice Management (PM) solutions used by more than 850,000 medical professionals in more than 20 countries. We develop innovative, customizable tools for documentation, Population Health, Patient Engagement, and Revenue Cycle Management. Through leading-edge technology and putting the needs of clients first, we help medical professionals improve the quality of care, reduce costs, and meet regulatory requirements.

Demand.com is a customer-focused revenue growth firm specializing in B2B demand generation and performance marketing. By aligning its success with clients' success, the company helps enterprise organizations and agencies accelerate pipeline growth and achieve measurable ROI. Utilizing first-party data and 100% in-house operations, Demand.com provides high-quality, triple-verified leads to help B2B companies find their next customer.

Spine Team Texas Management Company is a leading healthcare management firm specializing in providing comprehensive solutions for spine care. Its mission is to enhance the quality of life for patients suffering from spinal disorders through innovative treatment options and exceptional patient care, integrating physical therapy, pain management, and surgical options to deliver personalized, holistic spine health services.

Just Eat Take​away​.com is a lead­ing glob­al online food deliv­ery mar­ket­place, con­nect­ing con­sumers and restau­rants through our plat­form in 20 coun­tries. Like a dinner table, working at JET brings our office employees and couriers together. From coding to customer service to couriers, JET is a fun, fast-paced and supportive place where you can be yourself. No day is the same. Our days...

Midwest Radiology is one of the largest independently owned professional radiology practices in the United States. Formed in 2019 through the combination of St. Paul Radiology and Suburban Radiologic Consultants, the company provides comprehensive, subspecialized imaging services to hospitals, clinics, and care centers across the Midwest and operates a network of outpatient imaging centers in the Twin Cities.

Pacific Urban Investors (‘PUI”) is an industry-leading multifamily owner, operator, and investment manager. Headquartered in Palo Alto, CA, PUI has a national platform with offices in Los Angeles, CA, Irvine, CA, Washington, Colorado, New York, and Washington, DC. The firm has successfully deployed well-timed strategies to the benefit of its institutional partners and stakeholders throughout the United States. PUI was...

EXFO is a global leader in the communications industry, providing intelligent hardware and software solutions for testing, monitoring, and analytics. Serving fixed and mobile network operators, hyperscalers, and equipment manufacturers, EXFO delivers critical visibility and insights to ensure network performance and service reliability. Their expertise spans fiber optics, 5G, and cloud-native deployments, empowering customers to accelerate their digital transformations and...

Liberty Utilities provides regulated water, wastewater, natural gas, and electric utility services to customers across the United States.

Parker Fabrication Inc. is a metal fabrication company specializing in CNC machining, welding, tube laser cutting, and the manufacturing of industrial exhaust components. The company is a leader in the industry for welding, bending, machining, research and development, prototypes, and end forming.

Optiver’s story began over 30 years ago, when we started business as a single trader on the floor of Amsterdam’s options exchange. Today, we are at the forefront of trading and technology as a leading global electronic market maker, focused on pricing, execution and risk management.

Myriad Technologies is a Microsoft Gold Partner based in Brisbane, Australia, specializing in information management, technology alignment, and best practices for Microsoft SharePoint, Azure, and Office 365. They develop and deploy the S2IX platform, a secure collaboration and interoperability tool designed to help government agencies and military organizations enhance data management and achieve information superiority across various network-challenged environments.

Rincon Family Services is a Chicago-based 501(c)(3) nonprofit founded in 1972 that delivers culturally competent behavioral-health and substance-use treatment, counseling, case management, prevention, youth and family programs. Serving primarily underserved West Side and broader Chicagoland communities, Rincon operates community centers, school-based services and after-school programs focused on advocacy, education, empowerment and holistic care for individuals and families.

Infoquest is an expert network headquartered in Beirut, Lebanon, with an office in London, UK. It was started in 2023 by two former Dialectica managers. The company has grown quickly since its founding. Infoquest provides regular expert network services, with custom recruiting of experts.