Top Professional Services Companies (10,000+)
9 Fællesadministration is an administrative unit within the University of Southern Denmark, likely responsible for common administrative functions.
CAT Technology Inc is a software development and technology consulting company founded in 1999. It specializes in delivering innovative information technology services, including application development, strategic outsourcing, and IT staffing solutions. Operating from New Jersey and India, the company leverages talented technical resources to provide leading-edge technology solutions to clients worldwide.
Clark Dietz, Inc. is a professional civil engineering firm providing consulting, design, and construction management services throughout the Midwest. With over 60 years of experience, they partner with communities to improve infrastructure—including wastewater treatment, roadways, and bridges—with the mission of engineering a better quality of life through the built environment.
CALRegional provides students with high-quality, fast, and affordable healthcare training programs through partnerships with adult schools, community colleges, and high schools in California and Texas. Their mission is to create pathways to healthcare careers by providing hands-on training that makes students job-ready, often preparing busy adults for employment in as little as three weeks.
Staxmatic is a commercial mechanical contractor serving the Dallas–Fort Worth and Denver areas. It specializes in large-scale HVAC, plumbing, and piping systems for complex commercial buildings, combining craftsmanship with modern engineering. The company supports projects from initial design through installation and ongoing service, emphasizing safety, reliability, schedule, budget, precision, professionalism, and long-term client relationships for demanding facilities and new construction...
The RMH Group, Inc. is a professional consulting engineering firm specializing in mechanical, electrical, plumbing, and industrial process design. With over 60 years of experience, the firm provides comprehensive services from project conception through design, construction, and project closeout, including sustainable design and LEED certification services. They serve a diverse range of local, regional, and national clients from their offices...
Adams and Associates, Inc. is a 100% employee-owned company committed to quality training, education, case management, and workforce development services. They specialize in operating Job Corps centers, providing students with holistic support and technical training to create pathways to success. The company also serves as a contingency contractor for Job Corps centers nationwide, managing both physical and programmatic operations.
Sertoma Center, Inc. is a non-profit organization based in Knoxville, Tennessee, dedicated to empowering individuals with intellectual and developmental disabilities. The organization provides comprehensive services, including residential living experiences, vocational training, job placement, and community integration programs. By fostering independence, work skills, and meaningful relationships, Sertoma Center aims to help individuals achieve their fullest potential and lead lives full of...
Icare Rehabilitation Hospital & Physical Medicine Center is recognized for excellence in stroke and orthopedic recovery, maintaining a strong reputation for patient-centered care and Joint Commission accreditation. The facility employs an expert multidisciplinary team of physicians, nurses, pharmacists, and physical, speech, and occupational therapists to ensure the highest quality of healthcare standards. The hospital operates in Flower Mound, Texas, providing...
Trainor Consulting is an international consulting and technical-services firm supporting heavy-industry and energy projects across China and the wider Asia-Pacific region. Its work focuses on oil and gas, refineries, tank farms, fuel-storage infrastructure, and large-scale EPC projects. The company provides engineering consulting, project management, recruitment, workforce, outsourcing, and other personnel solutions, mobilizing skilled international and local specialists for complex industrial...
DRT Communications Ltd. is a Jamaica-based marketing communications agency that develops comprehensive communications strategies and delivers public relations campaigns, strategic communications, crisis management, content for electronic, print, and web media, digital media marketing, media placement, and worldwide media monitoring. Founded in 2008, it serves Caribbean businesses, multinational corporations, government agencies, and more than 100 brands using media analytics and consumer-behavior...
Barker Management, Inc. (founded 1972) is an Anaheim-based property management firm specializing in affordable and federally-assisted housing. BMI manages over 130 affordable properties (approximately 10,000 units) across California and Nevada and provides property management, construction and development services for HUD, tax-credit and other subsidized housing programs, emphasizing compliance, resident services and long-term community improvement.
Gunton Corporation is a family-owned and professionally managed business founded in 1932 in Cleveland, Ohio. As the largest independent distributor of Pella Windows & Doors in the country, the company serves homeowners and businesses by providing high-quality window and door solutions. Its mission is to provide the ultimate window and door solutions to its customers while offering a world-class workplace...
Kinley Ames is a staffing agency that connects businesses with talent, specializing in childcare substitutes and offering customer service and office support roles.
Mindy Support is a global AI data infrastructure and outsourcing provider. It collects, annotates, and evaluates multilingual data, supports LLM training, and delivers AI customer-experience and customer-service workflows for enterprise AI/ML teams. Its domain experts support healthcare, automotive, fintech, robotics, retail, and e-commerce, helping Fortune 500 and GAFAM clients build accurate, scalable, production-ready AI systems at scale across global markets...
Roland Berger is the only strategy consultancy of European origin with a strong international presence. As an independent firm owned exclusively by our partners, we have more than 50 offices with a presence in all major markets. Our 3,500 employees are characterized by a unique combination of analytical thinking and an empathetic mindset. Driven by our values of entrepreneurial spirit,...
Roland Berger's Top Stability & Growth Strengths
Strong Revenue Growth: The firm reported record revenues, surpassing the €1 billion mark in 2023 and achieving its most successful year in 2025. Growth outpaced the broader consulting market and was evident across core regions.
Strong Market Position & Advantage: The company is ranked among the top three strategy consultancies in Europe and within the top ten globally, and is cited as the market leader in Germany and the largest European-origin strategy firm. External accolades from major lists reinforce competitive standing in its core geographies and sectors.
Market Expansion: The footprint expanded with new offices in Abu Dhabi and Sydney and a build-out in Houston, establishing presence across all continents. Recent openings and additions indicate continued international scaling.
Aging Well Health Care, LLC (dba AW Health Care) is a women-owned home health agency providing comprehensive medical and therapy services in the home, specifically tailored for the elderly and culturally diverse communities. They offer a wide range of services, including chronic disease management, adult day care, and outpatient physical therapy, all aimed at helping clients maintain a healthy body,...
GGW Group is a leading European insurance brokerage platform and MGA platform specializing in commercial lines P&C insurance for SMEs, offering integrated risk and insurance solutions.
Taurus LLC Services is a service organization providing innovative technology solutions, software training, and back-office management recommendations.
W. E. BULATO CO. is a professional recruiting and staffing firm associated with Wayne Bulato. The company specializes in talent acquisition and HR consulting, providing staffing solutions across diverse sectors including healthcare, engineering, and supply chain management. It operates as a contract recruiting firm, connecting specialized professionals with opportunities across various locations in the United States.
