Top Professional Services Companies (10,000+)

Apparatus Contractor Services is a U.S. outsourced finance firm serving residential and commercial construction companies. It provides bookkeeping, controller, construction management system integration, and CFO advisory services. The company builds and operates QuickBooks Online and Intuit Enterprise Suite financial systems, connects them with Buildertrend, JobTread, and Procore, and applies GAAP-compliant revenue recognition methods for growing construction businesses across the United...

Kegmil is revolutionizing the way mission-critical facilities and assets are repaired and maintained via complex systems of people and processes. We are on a mission to empower millions of deskless field service professionals in Southeast Asia with superior technology and insights to supercharge their operational efficiency, service performance, and profitability.

VPM Management, Inc. is a premier residential property management company serving clients across California. Since 1965, they have built a distinguished reputation for providing personalized, hands-on service tailored to the unique needs of property owners and tenants. With over 40 years of industry experience, the firm manages more than 100 properties and 15,000 units, committed to excellence and a professional...

Provides year-round instructional programs and support services designed to aid individuals with disabilities in developing essential life skills, promoting inclusion, independence, self-sufficiency, and productivity.

Addo is an artificial intelligence advisory and incubator that helps corporations, governments, and startups build data-driven platforms that radically improve services. By combining imagination with the power of machine learning, Addo aims to democratize access to better infrastructure and services, tackle grand challenges, and create a better world through the implementation of advanced AI and data science solutions.

OT Training Solutions, LLC (OTTS) is a Service-Disabled Veteran-Owned Small Business founded in 2008. The company specializes in providing comprehensive, hands-on, scenario-based simulation and training programs, educational services, and operational support to government and international organizations. They deliver expertise in combat logistics and military leadership, deploying experienced teams to support critical workforce needs and global missions for military and civilian...

UG Solutions LLC is a U.S.-based private security company headquartered in the greater Charlotte area and operating globally in high-risk environments. It delivers mission-critical security, protective, and operational support to government agencies, multinational organizations, humanitarian efforts, and commercial clients. The company’s mission centers on protecting people and supporting complex humanitarian challenges through safety and security services in high-stakes settings worldwide.

swisselect ag is a Swiss human resources consulting firm specializing in executive search, personnel consulting, and interim management for specialists and managers.

Founded in 1998, Harvey & Company LLC is a leading buy-side acquisition search and principal investment firm. The company specializes in advising buyers on acquisitions across various sectors, including industrial manufacturing, healthcare, and financial services. With a team of over 100 professionals, they proactively identify and engage business owners to execute strategic buy-and-build investments for private equity funds and corporations.

Brainnest is a business management and training company that offers economic advisory, data analytics, business support, and IT consulting services.

Rose Roofing & Restoration is a residential exterior services company specializing in roofing, gutters, siding, windows, and doors. Serving homeowners across Virginia and neighboring states, the firm uses a direct-to-homeowner model combining trained sales teams and streamlined operations to deliver inspections, repairs and full replacements with emphasis on craftsmanship, trust, and efficient project execution.

DefineX is a next-generation consulting house and venture builder with a proven track record of serving iconic financial institutions, defining a new way of building globally successful companies and enabling digital acceleration.

Hero Practice Services is a healthcare organization dedicated to being the employer of choice for dental, vision, and orthodontic professionals. Their mission is to provide every child the opportunity to thrive by creating a positive culture and supporting providers with state-of-the-art facilities, ongoing clinical and leadership training, and a proven operating model for their affiliated practices.

The Becket Family of Services is a non-profit alliance founded in 1964 that helps struggling adolescents and adults reach their full potential. They provide various mental and behavioral health support services, including home and community-based treatment, residential treatment programs, group homes, and special education schools throughout New England, specializing in successful outcomes for difficult-to-serve individuals.

Holwell Shuster & Goldberg LLP is a litigation boutique specializing in complex commercial cases, with a particular focus on sophisticated financial and securities disputes.

Tricon Wear Solutions specializes in the production and supply of high-quality abrasion- and impact-resistant steel solutions and wear parts, operating as a metal fabricator.

B Above Services provides compassionate, evidence-based autism care for children and families in the Indianapolis area. Its services include autism diagnostic evaluations, natural-environment applied behavior analysis (ABA) therapy, social-skills groups, parent support, and individualized one-to-one therapy delivered at home, school, clinic, and community settings. The company partners with families to build communication, social, adaptive, and daily-living skills while supporting confidence...

MaxVal Group, Inc. is an intellectual-property services and software company founded in 2004. It began as an IP services provider and developed technology-enabled internal applications that were later productized for clients. Today, MaxVal offers products and services supporting the full intellectual-property lifecycle, serving more than 650 clients with a workforce of over 730 IP and technology professionals focused on efficiency,...

Shook & Stone is a prominent Nevada-based law firm specializing in personal injury, workers' compensation, and social security disability cases. With over 30 years of experience, the firm provides legal representation for clients involved in various accidents, including motor vehicle, premises liability, and wrongful death claims. They are known for their commitment to client outcomes and maintaining a supportive, family-oriented...

Southwestern Behavioral Healthcare, Inc. is a nonprofit community mental health center serving Southwestern Indiana. Since 1971 it operates multiple locations offering outpatient, crisis, residential and substance-use services, including addiction treatment and jail-based competency programs. The organization emphasizes prevention, outreach and community-based care, serving thousands annually to improve mental health and wellness across its service region.