Top Professional Services Companies (10,000+)
TeamWork is an international group specializing in consulting, technological integration, and innovation. They support businesses of all sizes in their transformation and strategy challenges with functional and technical expertise.
WilsonHCG, now rebranded as Wilson, is a global workforce and total talent solutions provider. The company partners with organizations to build comprehensive talent functions through configurable services including recruitment process outsourcing, executive search, contingent talent solutions, talent consulting, and technology advisory. With operations spanning more than 65 countries and six continents, it supports clients in improving recruitment and workforce capabilities.
Atlanta Autism Center provides comprehensive, family-centered diagnostic and therapy services for children with Autism Spectrum Disorder (ASD). Their offerings include initial diagnosis, ongoing management, and specialized interventions such as center-based ABA, occupational, speech, and feeding therapies. They focus on improving communication and activities of daily living for children, while providing necessary medication management and referrals to specialty care as needed.
The Pan American Health Organization (PAHO) is the specialized international health agency for the Americas, dedicated to improving and protecting public health through technical cooperation, disease control, and health system strengthening.
Rivermont Schools empowers children and young adults aged 5 to 22 facing behavioral, emotional, and educational challenges, providing specialized educational, behavioral, and therapeutic support.
Lithia Motors, Inc. is a nationwide automotive dealership group that provides vehicle sales, automotive repair, and financing services across hundreds of locations.
Lithia Motors, Inc.'s Top Stability & Growth Strengths
Strong Market Position & Advantage: Lithia is repeatedly identified as the largest U.S. auto retailer by revenue and units with Fortune 500 leadership, a broad multi‑country footprint, and a role as the preeminent consolidator. Scale advantages, OEM breadth, and omnichannel reach underpin bargaining power and competitive differentiation.
Strong Revenue Growth: Record quarterly and full‑year revenues in recent periods and a decade‑long upward trajectory are emphasized across the materials. Acquisition cadence and positive same‑store trends support continued top‑line expansion.
Diversified Revenue Streams: Coverage across the full ownership lifecycle—including retail, captive finance, and aftersales—creates multiple earnings levers. Aftersales and finance penetration are highlighted as growing, resilient contributors through cycles.
Somerset Pacific is an asset management firm specializing in the management of multi-family housing, with an emphasis on low-income and affordable housing. They are dedicated to providing safe, quality, and affordable housing across the country.
The Connection is a U.S. based award winning call center provider offering call center outsourcing, call center consulting and call center training.
Munger, Tolles & Olson (MTO) is a premier law firm advising businesses, industry leaders, and government clients on high-stakes disputes, complex transactions, and market-changing opportunities. Its attorneys are recognized for creative, precedent-setting legal solutions, extensive trial and litigation capabilities, and meaningful pro bono and community work. The firm operates across three offices with more than 200 lawyers and additional business...
GetNexus is a technology company specializing in mobile application and web development, delivering scalable and high-performance digital solutions tailored to modern business needs. We partner with businesses to transform ideas into reliable, efficient, and user-focused products, combining technical expertise with a deep understanding of today’s digital landscape.
The Source Company is a leading wholesale floor covering distributor based in Mishawaka, Indiana, operating since 1983. They offer an extensive selection of residential and commercial floor coverings, including hardwood, vinyl, and carpet, along with related tools and supplies. The company serves a diverse clientele, including retail operations, commercial contract houses, and the mobile, modular, and RV markets, providing expert...
Tasync Group is a technology-driven human resources firm that aims to redefine recruitment using smarter tools and engaging virtual experiences. Based in Malaysia, they provide comprehensive HR services, including HR outsourcing, consulting, payroll, Employer of Record (EOR), Recruitment Process Outsourcing (RPO), and Business Process Outsourcing (BPO), helping organizations strengthen their human resource systems through compliant and practical structures.
Texas811 is a nonprofit organization that operates the Texas 811 System, providing free alerts to prevent utility damage. As one of the largest one-call notification centers in the country, it serves homeowners, contractors, and businesses by facilitating damage prevention and promoting public safety. Its primary mission is to notify utility companies and municipalities of planned excavations near their underground infrastructure.
UG2 is a leader in integrated facility services, providing a high standard of janitorial, operations, maintenance, and workplace solutions. They specialize in delivering professional facility services across diverse markets, including commercial, corporate, education, healthcare, life science, public venue, retail, and industrial sectors, with a mission to set a new standard of excellence and create the next generation of leadership in...
The Roger Baldwin Foundation of ACLU, Inc. is a non-partisan, non-profit organization dedicated to protecting civil liberties and civil rights, serving as the legal, educational, and communications arm of the ACLU of Illinois.
Vogel is a family-owned German mid-market advisory group, founded in Aalen, that provides tax, accounting, financial, strategic, and business consulting services. It serves thousands of medium-sized companies and is expanding from its established Aalen/Ostwürttemberg base into Munich. The group is also consolidating a fragmented market and building a technology-enabled advisory platform, using automation and AI to improve internal operations and...
Shannon & Wilson is an internationally recognized consulting firm dedicated to providing quality services in the fields of geotechnical engineering and the applied earth sciences.
STARS is a therapist-owned and operated school contracting agency based in Arizona. They provide specialized services to public schools by employing Speech Pathologists, Occupational Therapists, Physical Therapists, Special Education Teachers, and School Psychologists. Their mission is to provide excellent services to clients while ensuring a supportive and rewarding environment for their employees, striving to be the best employer in the...
Rose Senior Living communities offer beautifully appointed apartment homes for a variety of senior needs and lifestyles, providing independent, assisted, and memory care living.
Outsource Access is a business process outsourcing (BPO) and virtual assistant firm that connects businesses with fully managed, trained, and affordable staff from the Philippines. They offer a wide range of services including digital marketing, HR, customer service, and accounting to help businesses scale and improve profitability.
