2. Accenture
3. Acquity Group
4. Advisory Board Company
5. Affiliated Computer Services (ACS)
6. ALaS Consulting
7. Alexander Group
8. Alexander Proudfoot
9. AlixPartners
10. Alliance Consulting
11. Allscripts Consulting Services
12. Altman Vilandrie & Company
13. Alvarez & Marsal
14. The AMI Solution
15. Analysis Group
16. Analytics Operations Engineering
17. Anderson Analytics
18. Aon Consulting
19. Applied Predictive Technologies
20. Applied Value Group
21. Archstone Consulting
22. ARES Corporation
23. Arthur D. Little
24. A.T. Kearney
25. Atkins Global
26. AT&T Consulting
27. Aurora Advisors
28. Avanade
29. Avenue A-Razorfish
30. Averro
31. Avicon Partners
32. Axiom Consulting Partners
34. Basis Technology
35. Bates White
36. BearingPoint
37. Blu Skye Consulting
38. BMC Software Consulting
39. BRMi Consulting
40. Booz Allen Hamilton
41. Booz & Company
42. Boston Consulting Group (BCG)
43. Boston Strategies International
44. BPI Group
45. Brattle Group
46. Bridgespan Group
47. Bridgestar
48. BridgeStreet Consulting Group
49. BTS
50. BT Telconsult
51. Buck Consultants
53. Cambridge Consultants
54. Cambridge Group
55. Cambridge Strategic Management Group
56. The Camden Group
57. Campbell Alliance
58. Candesic
59. CapGemini
60. Capco
61. Casey Quirk
62. CCS Fundraising
63. CDC Development Solutions
64. CDI Corporation
65. CDM Consulting
66. Cedar Management Consulting
67. Celerant Consulting
68. Celerity Consulting Group
69. Center For Applied Research
70. Center For Organizational Excellence
71. Censeo Consulting Group
72. CGI
73. CGN & Associates
74. Charles River Associates
75. Chartis Group
76. CIBER
77. Cisco Systems
78. Civic Consulting Alliance
79. CJ Consulting Group
80. Clareo Partners
81. ClearView Healthcare Partners
82. Clearview Global
83. Cognizant
84. Compass Lexecon
85. Computer Associates
86. Computer Sciences Corporation
87. Constellation NY
88. Cornerstone Research
89. Corporate Executive Board
90. Corporate Value Associates
91. Courtyard Group
92. Crowe Horwath LLP
93. CSC Management Consulting
94. Cumberland Consulting Group
96. Daugherty Business Solutions
97. Dean & Company
98. Dell Perot Systems
99. Deloitte Consulting
100. Detica
101. Diamond Management & Technology Consultants
102. Droege Group
103. DSG Systems
105. ECG Management Consultants
106. Edgar Dunn & Company
107. Egon Zehnder International
108. Elysium Digital
109. Endeavor Group
110. ENVIRON
111. Equation Consulting
112. EquiBrand Consulting
113. Establish Consulting
114. Etigo Consulting
115. Eurasia Group
116. Everest Group
117. Everis
118. Exeter Group
119. Exponent
120. Ernst & Young
122. First Annapolis Consulting
123. First Manhattan Consulting Group
124. Fidelity Consulting Group
125. Fiscal Management Associates
126. Fletcher Spaght
127. FMI Corporation
128. Forum Corporation
129. Franchise Consulting Group
130. Frost & Sullivan
131. FSG Social Impact Advisors
132. FTI Consulting
133. Fujitsu Consulting
135. Gallup Consulting
136. Galt & Company
137. GE Healthcare
138. Giuliani Partners
139. Global eProcure
140. Global Intelligence Alliance
141. Gotham Consulting Partners
142. Grant Thornton
143. Gravitas Technology
144. Gravitytank
145. Greenwich Associates
147. Haverstick Consulting
148. Harbour Group
149. Harris & Associates
150. Hatch Associates
151. Hay Group
152. Health Advances
153. HealthEdge
154. HealthScape Advisors
155. Heidrick & Struggles
156. Hewitt Associates
157. Hill & Knowlton
158. Hitachi Consulting
159. Hokenson Group
160. HP Services
161. Huron Consulting Group
163. IBM Global Business Service
164. ICF International
165. IDEO
166. IFC Consulting
167. IMS Health
168. Ineum Consulting
169. Infosys Consulting
170. Insight Catastrophe Group
171. Insight Strategy Advisors
172. Interscope
173. ipCapital Group
174. The IQ Business Group
176. Jefferson Wells International
177. JRB & Company
178. Juran Institute
180. Katzenbach Partners (acquired by Booz & Company)
181. Keane
182. Kellen Company
183. Keystone Group
184. KPMG Consulting
185. Kuczmarski & Associates
186. Kurt Salmon Associates (KSA)
188. LECG (Law and Economics Consulting Group)
189. Leigh Fisher Associates
190. LEK Consulting
191. Liberty Mutual Group
192. Lippincott
193. Lockheed Martin
194. Logica
195. LOGIC Management Consulting
196. LOGIC Services
198. Magenic Technologies
199. Management Consulting Group
200. M&A Partners
201. Manpower
202. Marakon Associates (acquired by Charles River Associates)
203. Marketbridge
204. Marketing Analytics
205. Mars & Company
206. Matrix Knowledge Group
207. McKinsey & Company
208. Mercator Partners
209. Mercer Consulting
210. Milliman
211. Miracle Software Systems
212. Mitchell Madison Group
213. Monitor Group
214. Morningstar Consulting Group
215. Mu Sigma
216. MWH Consulting
218. NERA Economic Consulting
219. Northbridge Group
220. Northrop Grumman Corporation Consulting
221. North Highland
222. NouvEON
223. Novantas
225. Ogilvy & Mather
226. Oliver Wyman
227. Omnex
228. OmniaNow
229. Opera Solutions
230. Oracle Consulting
231. Oxford & Associates
233. Pace Harmon
234. Pariveda Solutions
235. Parthenon Group
236. Pearl Meyer & Partners
237. Peppers & Rogers Group
238. PKF Consulting
239. Plutus Consulting Group
240. Point B
241. PriceWaterhouseCoopers
242. Princeton Consultants
243. Progress Group
244. Prophet
245. Protiviti
246. Proudfoot Consulting
247. Providge Consulting
248. PRTM
249. Putnam Associates
251. Quintiles Consulting
252. Quint Wellington Redwood Group
254. Real Options Group
255. Red Oak Consulting
256. Redstone Strategy Group
257. Regency Group
258. Resources Global Professionals
259. RHR International
260. Right Management Consultants
261. Robert E. Nolan Company
262. Robert Half International
263. Roland Berger Strategy Consultants
264. Roll Consulting
265. Rosetta
266. RPO Management Consultants
267. Russell Reynolds Associates
268. R.W. Beck
270. The Saint Consulting Group
271. Samsung Global Strategy
272. SAP Consulting
273. Sapient
274. Schlumberger Business Consulting
275. SDG Group
276. Seabury Group
277. SECOR
278. Segal Company
279. SFN Group
280. Sg2
281. Siemens Management Consulting
282. Simat Helliesen & Eichner (SH&E)
283. Simon Kucher & Partners
284. Slalom Consulting
285. Sogeti
286. Solving Efeso
287. St. Charles Consulting Group
288. Stern Stewart & Company
289. Stockamp & Associates (acquired by Huron Consulting Group)
290. Strategic Decisions Group (SDG)
291. Strategos
292. Strategyx
293. Stroud Consulting
294. Summit Management Consulting
295. Swander Pace & Company (merged with Kurt Salmon Associates)
296. Synovate Business Consulting
298. TASC
299. TechnoServe
300. Tefen Management Consulting
301. Telisys Communications Consultants
302. Templeton & Company
303. TMNG Global
304. TopRight Partners
305. Towers Perrin (merged with Watson Wyatt)
306. Towers Watson
307. Treasury Strategies
308. Triage Consulting Group
309. Trinity Partners
310. TriPoints Consulting
311. Tunnell Consulting
313. Unisys Consulting
314. USI Consulting Group
316. Vivaldi Partners
317. Value Partners Management Consulting
318. Vantage Partners
319. VMC Consulting
320. Volt Consulting
322. Watson Wyatt Worldwide (merged with Towers Perrin)
323. Wellspring Consulting
324. Wellspring Partners (acquired by Huron Consulting Group)
325. West Monroe Partners
326. Westport Business Solutions
327. Wipro Technologies
328. WTP Advisors
330. Xlent Consulting Group
333. ZIETA Technologies
334. ZS Associates
335. 2020 Delivery

This list was referenced from the Kellogg Consulting Club.

For more information, please visit: http://www.consultingcase101.com/list-of-consulting-firms/