🇺🇸Professional Services in United States

25 professional services providers in United States, publishing 10 APIs.

25 providers 10 published APIs 10 indexed documents

Professional Services in United States — 25 providers on the APIs.io network sit in both cohorts, and between them they publish 10 indexed APIs.

4 of the 25 publish at least one machine-readable API; 21 publish nothing indexed at all. That split is the first thing worth reading here — a vertical can be well represented in a market and still have almost no programmable surface.

By Kin Score band: 16 minimal, 6 emerging, and 2 thin.

Leading by rating: Conduent, McKinsey & Company, Tetra Tech, Tredence, LegalOS, HubSync, and 19 more.

Country membership reads a tag or a stated headquarters. A provider lands in United States when one of its own top-level tags names the country, or when its own description states a headquarters that names the country or one of its cities (roadmap#542, #719). A description that calls a company by its nationality, or names a city in a phrase that is not a headquarters statement, is not counted, so this cell is a floor, not a census.

Providers (25)

Provider	Description	APIs	Rating
Conduent	Conduent Incorporated (Nasdaq: CNDT) is a US business process services and solutions company headquartered in Florham Park, New Jersey, delivering customer experience management...	1	thin
McKinsey & Company	McKinsey & Company is the senior partner of the MBB triumvirate of global strategy and management consulting firms, founded in 1926 by James O. McKinsey and headquartered in New...	0	thin
Tetra Tech	Tetra Tech is an American consulting and engineering services firm headquartered in Pasadena, California. Founded in 1966, it provides consulting, engineering, program managemen...	5	emerging
Tredence	Tredence is a global data science and AI solutions company headquartered in San Jose, California, founded in 2013 by Shub Bhowmick, Sumit Mehra and Shashank Dubey. The firm posi...	0	emerging
LegalOS	LegalOS is an AI-native U.S. immigration law practice based in San Francisco and backed by Y Combinator (Winter 2026 batch). Founded by Matthew Asir (CEO), Rachel Asir (COO) and...	0	emerging
HubSync	HubSync is an AI-powered, end-to-end tax and accounting workflow platform built for CPA firms, founded in 2019 by John McGowan and headquartered in Franklin, Tennessee. The SaaS...	0	emerging
Slalom	Slalom is a global business and technology consulting firm headquartered in Seattle, Washington, founded in 2001 and privately held, with roughly 12,000 employees across dozens ...	0	emerging
Alvarez & Marsal	Alvarez & Marsal (A&M) is a leading global professional services firm, founded in 1983 by Tony Alvarez II and Bryan Marsal and headquartered in New York City. Privately held, th...	0	emerging
Customer Analytics	Customer Analytics (CA) is a data, analytics and AI consultancy headquartered in Middleton, Wisconsin with a delivery centre in Guindy, Chennai, India. The firm delivers AI/ML a...	0	minimal
Service Corp International	Service Corporation International (NYSE: SCI), headquartered in Houston, Texas, is North America's leading provider of deathcare products and services, owning and operating fune...	0	minimal
Fractal Analytics	Fractal Analytics Limited (fractal.ai) is an enterprise artificial intelligence services and products company founded in 2000, headquartered in New York with a large delivery fo...	0	minimal
Juno	Juno (juno.co), operated by Juno Technology, Inc., is a San Francisco-based owner's representation, development-consulting and construction-management firm for prefabricated, mo...	0	minimal
Ogilvy	Ogilvy is a global advertising, marketing, and communications agency network founded by David Ogilvy in 1948 and headquartered in New York City. It is a WPP company (NASDAQ: WPP...	0	minimal
Virtusa	Virtusa Corporation is a global provider of digital engineering, IT consulting, and outsourcing services headquartered in Southborough, Massachusetts. Founded in 1996, the compa...	0	minimal
Povio	Povio is a Y Combinator-backed product design and engineering agency headquartered in San Francisco that helps startups and established companies design, build, and launch scala...	0	minimal
Core10	Core10, Inc. is a U.S.-based fintech software development and API integration firm founded in 2016 by Lee Farabaugh and Jeff Martin, headquartered in Franklin, Tennessee with de...	0	minimal
Blank Rome	Blank Rome LLP is an Am Law 100 U.S. law firm founded in 1946 and headquartered in Philadelphia, with approximately 600+ attorneys across roughly 14 U.S. offices plus an interna...	1	minimal
Cozen O'Connor	Cozen O'Connor is a full-service U.S. law firm founded in 1970 and headquartered in Philadelphia, with more than 1,000 attorneys across 33+ offices in the United States, Canada,...	3	minimal
Mu Sigma	Mu Sigma is a decision sciences and AI services company founded in 2004, headquartered in Northbrook, Illinois with its principal delivery centre in Bangalore, India, working wi...	0	minimal
CH2M Hill	CH2M Hill was a global engineering, consulting, design, construction and operations firm providing services for corporations and federal, state, and local governments. Headquart...	0	minimal
Hang Ten	Hang Ten Systems is an enterprise AI services company founded in 2026 and headquartered in Palo Alto, California. Led by co-founder and CEO Dr. Vishal Sikka (formerly CEO of Inf...	0	minimal
Appirio	Appirio is a global cloud services and consulting company founded in 2006 and headquartered in Indianapolis, acquired by Wipro for USD 500 million in 2016 and now operating as "...	0	minimal
Carr, Riggs & Ingram (CRI)	Carr, Riggs & Ingram (CRI) is a top-25 nationally ranked accounting and advisory firm headquartered in Alabama, operating 70+ locations across 13 states plus Mexico. The firm de...	0	minimal
Skillbridge	Skillbridge (skillbridge.co) was a New York-based online marketplace for freelance consultants and independent professionals, connecting organizations from Fortune 500 companies...	0	minimal
Aptera	Aptera (Aptera Software, Inc.) was a custom software development consultancy based in Fort Wayne, Indiana, founded in 2003 and specializing in the Microsoft stack — .NET, ShareP...	0

Indexed API documents (10)

Two numbers, both real: these providers publish 10 APIs as their own documents, which the catalog indexes split one-per-resource into 10 documents.

Other industries in United States

Artificial Intelligence 563 Healthcare 352 Biotechnology & Drug Discovery 306 Digital Health & Telehealth 282 Life Sciences 270 Financial Services 218 Data & Analytics 206 Pharmaceutical 177 Marketing & Advertising 171 Climate & Sustainability 169 Semiconductors & Hardware 167 Cybersecurity & Identity 163 All of United States →

Professional Services elsewhere

North America 22 Europe 12 United Kingdom & Ireland 6 India & South Asia 5 DACH (Germany · Austria · Switzerland) 3 Japan & Korea 3 Latin America 3 France & Iberia 2 Southeast Asia 2 Africa 1 Central & Eastern Europe 1 Greater China 1 All of Professional Services →

This page is the intersection of two independently computed cohorts: United States and Professional Services. A provider appears here only when it is already a member of both. United States membership is matched on tag, stated HQ, so this is a floor rather than a census — coverage gaps show up here as small numbers, not as absent pages.

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🇺🇸Professional Services in United States

Providers (25)

Indexed API documents (10)

Conduent Knowledge Connection

Cosmos Mobile Data Platform API

Tetra Tech Data Discovery Tool API

baytrends Water Quality Trend API

Tetra Tech Delta Data Management Services

WaterNet Water Network Management API

Blank Rome Public Website

Cozen O'Connor Public Website

Cozen O'Connor Public Strategies

Cozen O'Connor LexBlog / WordPress Blog Network