| Milwaukee, WI | CHILDREN'S HOSPITAL AND HEALTH SYSTEM, INC. | 6,159 | 4 | 6,159 |
| Aurora, CO | CHILDREN'S HOSPITAL COLORADO | 8,704 | 10 | 3,211 |
| Los Angeles, CA | CHILDREN'S HOSPITAL LOS ANGELES | 7,532 | 4 | 7,181 |
| Chicago, IL | CHILDREN'S HOSPITAL OF CHICAGO FACULTY PRACTICE PLAN | 0 | 2 | 678 |
| Chicago, IL | CHILDREN'S HOSPITAL OF CHICAGO MEDICAL CENTER | 7,157 | 7 | 6,639 |
| Boston, MA | CHILDREN'S HOSPITAL PEDIATRIC ASSOCIATES, INC. | 572 | 4 | 572 |
| Vista, CA | CHILDREN'S PARADISE, INC. | 315 | 6 | 71 |
| Norfolk, VA | CHILDREN'S SPECIALTY GROUP, PLLC | 413 | 3 | 413 |
| Orange, CA | CHILDRENS HOSPITAL OF ORANGE COUNTY | 6,574 | 8 | 5,029 |
| Minneapolis, MN | CHILDRENS HOSPITALS AND CLINICS OF MINNESOTA | 5,388 | 6 | 5,388 |
| Silver Spring, MD | CHILDRENS NATIONAL MEDICAL CENTER HUMAN RESOURCES DEPT | 8,021 | 7 | 7,122 |
| San Diego, CA | CHILDRENS PRIMARY CARE MEDICAL GROUP, INC. | 151 | 4 | 152 |
| Charlotte, NC | CHILDRESS KLEIN PROPERTIES | 134 | 7 | 134 |
| El Segundo, CA | CHINA AIRLINES, LTD. | 262 | 13 | 262 |
| Newport Beach, CA | CHIPOTLE MEXICAN GRILL, INC. | 123,021 | 11 | 123,021 |
| Denton, MD | CHOPTANK ELECTRIC COOPERATIVE, INC. | 168 | 5 | 168 |
| Golden, CO | CHRIS THE CRAZY TRADER, INC. | 125 | 1 | 125 |
| New York, NY | CHRISTIAN LOUBOUTIN, LLC | 276 | 5 | 276 |
| Grandville, MI | CHRISTIAN SCHOOLS INTERNATIONAL (CSI) | 2,210 | 5 | 3,197 |
| Houston, TX | CHRISTOPHER J. FINNILA, M.D., F.A.C.P MEDICAL CLINIC OF HOUSTON | 249 | 5 | 249 |
| Mchenry, IL | CHROMA COLOR CORPORATION | 370 | 4 | 370 |
| Bellows Falls, VT | CHROMA TECHNOLOGY CORP. | 160 | 3 | 135 |
| Ewing, NJ | CHURCH & DWIGHT CO., INC. | 4,391 | 8 | 4,391 |
| Bloomfield, CT | CHURCH HOME OF HARTFORD INC. | 244 | 5 | 245 |
| Merrill, WI | CHURCH MUTUAL INSURANCE COMPANY, S.I. | 1,090 | 6 | 1,175 |
| Boston, MA | CHURCHILL FORGE INC | 276 | 2 | 252 |
| Grants, NM | CIBOLA GENERAL HOSPITAL CORP | 234 | 4 | 78 |
| Indianapolis, IN | CICOA AGING & IN-HOME SOLUTIONS, INC. | 240 | 2 | 237 |
| Saginaw, MI | CIGNYS | 115 | 4 | 115 |
| Westerly, RI | CIMINI & ASSOCIATES, INC. | 109 | 6 | 109 |
| Cincinnati, OH | CINCINNATI ASSOCIATION FOR THE BLIND | 161 | 4 | 161 |
| Cincinnati, OH | CINCINNATI CHILDRENS HOSPITAL MEDICAL CENTER | 17,985 | 5 | 28,155 |
| Cincinnati, OH | CINCINNATI HEALTHCARE LLC | 0 | 2 | 271 |
| Cincinnati, OH | CINCINNATI SYMPHONY ORCHESTRA | 266 | 4 | 319 |
| Cincinnati, OH | CINCINNATI-HAMILTON COUNTY COMMUNITY ACTION AGENCY | 212 | 4 | 408 |
| Plano, TX | CINEMARK USA, INC. | 3,726 | 3 | 4,218 |
| Tempe, AZ | CIRCLE K STORES, INC. | 62,858 | 10 | 10,934 |
| Melbourne, FL | CIRCLES OF CARE, INC. | 302 | 4 | 302 |
| Burlington, MA | CIRCOR INTERNATIONAL, INC. | 1,062 | 8 | 1,167 |
| Exton, PA | CITADEL FEDERAL CREDIT UNION | 572 | 6 | 841 |
| Somerset, KY | CITIZENS NATIONAL BANK | 109 | 1 | 109 |
| Clarks Summit, PA | CITIZENS SAVINGS BANK | 112 | 2 | 112 |
| Tamarac, FL | CITY FURNITURE | 2,203 | 9 | 607 |
| Los Angeles, CA | CITY NATIONAL BANK | 6,212 | 8 | 6,165 |
| Greenbelt, MD | CITY OF GREENBELT | 202 | 4 | 194 |
| Alpharetta, GA | CIVES CORPORATION | 1,424 | 3 | 1,424 |
| Fort Worth, TX | CIVITAS SENIOR HEALTHCARE, LLC | 228 | 3 | 228 |
| Appleton, WI | CJB VENTURES | 0 | 2 | 271 |
| Brainerd, MN | CJK GROUP, INC. | 4,646 | 9 | 2,197 |
| Shelton, CT | CLARION EVENTS, INC. | 327 | 2 | 327 |
| Madison, CT | CLARITY SOFTWARE SOLUTIONS, INC. | 259 | 3 | 259 |
| Lexington, KY | CLARK MATERIAL HANDLING COMPANY | 219 | 3 | 219 |
| Miramar, FL | CLARO ENTERPRISE SOLUTIONS LLC | 359 | 9 | 216 |
| Roseville, CA | CLASSIC VMS, INC. | 170 | 5 | 157 |
| Southern Pines, NC | CLASSICAL CONVERSATIONS, INCORPORATED | 178 | 4 | 178 |
| Newport Beach, CA | CLEAN ENERGY | 494 | 10 | 504 |
| Nashville, TN | CLEARBROOK HOLDINGS CORP. | 249 | 16 | 197 |
| Baltimore, MD | CLEARONE ADVANTAGE, LLC | 304 | 3 | 318 |
| Newton, MA | CLEARVIEW HEALTHCARE PARTNERS LLC | 424 | 3 | 476 |
| Spokane, WA | CLEARWATER PAPER CORPORATION | 2,185 | 9 | 2,205 |
| Washington, MO | CLEMENTINA-CLEMCO HOLDINGS INC. | 123 | 2 | 123 |
| Glenwillow, OH | CLEVELAND STEEL CONTAINER CORPORATION | 542 | 3 | 542 |
| Sonoma, CA | CLINE CELLARS, INC. | 156 | 4 | 156 |
| Lafayette, CO | CLINICA FAMILY HEALTH | 1,000 | 5 | 471 |
| Carmel, IN | CLINICAL ARCHITECTURE LLC | 112 | 5 | 110 |
| Towson, MD | CLINICAL ASSOCIATES, P.A. | 130 | 2 | 130 |
| El Centro, CA | CLINICAS DE SALUD DEL PUEBLO, INC | 828 | 3 | 828 |
| Wichita Falls, TX | CLINICS OF NORTH TEXAS, LLP | 138 | 6 | — |
| Raleigh, NC | CLINIPACE, INC. | 365 | 5 | 365 |
| Boston, MA | CLINTON HEALTH ACCESS INITIATIVE, INC. | 175 | 6 | 175 |
| Cicero, NY | CLINTON'S DITCH COOPERATIVE COMPANY, INC. | 310 | 2 | 310 |
| West Hollywood, CA | CLIQUE BRANDS, INC. | 0 | 4 | 118 |
| Fort Lauderdale, FL | CLOUD SOFTWARE GROUP INC | 2,045 | 4 | 2,756 |
| San Juan, PR | CMA ARCHITECTS & ENGINEERS | 136 | 1 | 136 |
| Nicholasville, KY | CMC ENVIRONMENTAL SERVICES INC | 107 | 2 | 100 |
| Appleton, WI | CMD CORPORATION | 202 | 4 | 184 |
| Madison, WI | CMFG LIFE INSURANCE COMPANY | 3,308 | 15 | 1,372 |
| Manchester, NH | CMG CIT ACQUISITION, LLC | 999 | 10 | 1,334 |
| Santa Teresa, NM | CN WIRE CORP | 116 | 4 | 87 |
| Woburn, MA | CN WOOD COMPANY, INC. | 108 | 1 | 108 |
| Arlington, VA | CNA CORPORATION | 677 | 7 | 542 |
| Houston, TX | CNOOC ENERGY U.S.A. LLC | 73 | 4 | 247 |
| Paramus, NJ | COACH USA, INC. | 1,104 | 10 | 1,104 |
| San Jose, CA | COAST COUNTIES TRUCK & EQUIPMENT COMPANY | 136 | 12 | 123 |
| St. Simons Island, GA | COASTAL CARE SOLUTIONS, LLC | 0 | 2 | 271 |
| New Bern, NC | COASTAL CAROLINA HEALTH CARE, P.A. | 305 | 4 | 422 |
| Newport, NC | COASTAL COMMUNITY ACTION, INC. | 110 | 7 | 106 |
| Stockton, CA | COASTAL PACIFIC FOOD DISTRIBUTORS, INC. | 541 | 14 | 500 |
| Santa Maria, CA | COASTHILLS FEDERAL CREDIT UNION | 310 | 4 | 290 |
| New Bedford, MA | COASTLINE ELDERLY SERVICES, INC. | 124 | 4 | 124 |
| Kings Mountain, NC | COATS AMERICAN, INC. | 405 | 3 | 745 |
| Houston, TX | COATS ROSE, P.C. | 113 | 4 | 16 |
| Papillion, NE | COBALT CREDIT UNION | 257 | 3 | 257 |
| St. Cloud, MN | COBORN'S INCORPORATED | 3,374 | 8 | 1,926 |
| Dallas, TX | COCA-COLA SOUTHWEST BEVERAGES LLC (CCSWB) | 7,783 | 3 | 10,737 |
| Denver, CO | CODEFIED INC. DBA HOUSECALL PRO | 785 | 8 | 1,029 |
| College Station, TX | COGNIZANT TECHNOLOGY SOLUTIONS U.S. CORPORATION | 30,400 | 12 | 30,801 |
| Arlington, VA | COGNOSANTE, LLC | 943 | 32 | 5 |
| Saxonburg, PA | COHERENT CORP. | 4,220 | 10 | 4,233 |
| Cold Spring, MN | COLD SPRING BREWING COMPANY | 574 | 1 | 574 |
| Cold Spring Harbor, NY | COLD SPRING HARBOR LABORATORY | 971 | 12 | 221 |
| New York, NY | COLGATE-PALMOLIVE COMPANY | 33,595 | 22 | 14,732 |
| Santa Ana, CA | COLLECTORS UNIVERSE, INC. | 1,590 | 3 | 1,590 |
| Raleigh, NC | COLLEGE FOUNDATION INC | 142 | 4 | 142 |
| Henrico, VA | COLLEGIATE SCHOOL | 333 | 7 | 333 |
| Baltimore, MD | COLLIFLOWER, INC. | 155 | 4 | 149 |
| Sumter, SC | COLONIAL FAMILY PRACTICE | 2,697 | 5 | 2,402 |
| Milford, CT | COLONIAL MOTORS INC. | 313 | 4 | 313 |
| Williamsburg, VA | COLONIAL WILLIAMSBURG FOUNDATION | 1,625 | 4 | 2,466 |
| Richmond, VA | COLONIALWEBB CONTRACTORS COMPANY, INC. | 1,277 | 4 | 340 |
| Monroe, WI | COLONY BRANDS, INC. | 1,077 | 3 | 706 |
| Oakland, CA | COLORADO PERMANENTE MEDICAL GROUP, P.C. | 1,195 | 11 | 5,906 |
| Parker, AZ | COLORADO RIVER INDIAN TRIBES | 810 | 6 | 810 |
| Colorado Springs, CO | COLORADO SPRINGS RADIOLOGISTS, P.C. | 189 | 4 | 45 |
| Grand Junction, CO | COLORADO WEST, INC. | 266 | 2 | 183 |
| Parsippany, NJ | COLORS & EFFECTS USA LLC | 394 | 6 | 394 |
| Columbia, SC | COLUMBIA EYE CLINIC P.A. | 129 | 3 | 129 |
| New York, NY | COLUMBIA GRAMMAR & PREPARATORY SCHOOL | 549 | 5 | 278 |
| Aurora, OR | COLUMBIA HELICOPTERS, INC. | 480 | 4 | 480 |
| Columbia, MO | COLUMBIA INSURANCE GROUP | 178 | 4 | 206 |
| Columbus, OH | COLUMBUS ARTHRITIS CENTER | 117 | 2 | 133 |
| Columbus, OH | COLUMBUS COMMUNITY HOSPITAL | 138 | 1 | 138 |
| Newark, NJ | COLUMBUS HOSPITAL LTACH DBA SILVER LAKE HOSPITAL | 116 | 4 | 116 |
| Columbus, OH | COLUMBUS NEIGHBORHOOD HEALTH CENTER | 204 | 5 | 212 |
| Whiteville, NC | COLUMBUS REGIONAL HEALTHCARE SYSTEM | 435 | 5 | 527 |
| Naguabo, PR | COMBE PRODUCTS, INC. | 112 | 2 | 112 |
| Springfield, OR | COMFORT FLOW HEATING | 234 | 6 | 218 |
| Philadelphia, PA | COMHAR, INC. | 383 | 5 | 461 |
| Harrogate, TN | COMMERCIAL BANCGROUP INC | 173 | 4 | 159 |
| Jeffersonville, IN | COMMERCIAL BARGE LINE HOLDINGS LLC | 2,064 | 8 | 2,639 |
| Sterling, VA | COMMERCIAL EXPRESS HVAC, LLC. | 125 | 1 | 125 |
| Mundelein, IL | COMMERCIAL PLASTICS | 537 | 6 | 538 |
| St. Louis, MO | COMMERCIAL VAN INTERIORS | 143 | 1 | 143 |
| New Albany, OH | COMMERCIAL VEHICLE GROUP | 1,275 | 3 | — |
| Saint Paul, MN | COMMONBOND COMMUNITIES | 0 | 5 | 220 |
| Lexington, KY | COMMONWEALTH ANESTHESIA, PSC | 100 | 2 | 100 |
| New York, NY | COMMONWEALTH BANK OF AUSTRALIA | 136 | 3 | 89 |
| Boston, MA | COMMONWEALTH CARE ALLIANCE | 1,642 | 5 | 1,642 |
| Roanoke, VA | COMMONWEALTH CARE OF ROANOKE, INC. | 1,122 | 5 | 1,118 |
| Richmond, VA | COMMONWEALTH LODGING MANAGEMENT | 245 | 4 | 62 |
| Boston, MA | COMMONWEALTH ZOOLOGICAL CORPORATION | 176 | 3 | 176 |
| Brooklyn, NY | COMMUNICATION WORKERS LOCAL 1109 WELFARE FUND | 109 | 4 | 109 |
| Vero Beach, FL | COMMUNICATIONS INTERNATIONAL, INC. | 193 | 3 | 185 |
| West Chester, PA | COMMUNICATIONS TEST DESIGN, INC. | 4,302 | 15 | 7,687 |
| Bakersfield, CA | COMMUNITY ACTION PARTNERSHIP OF KERN | 893 | 4 | 1,565 |
| Saint Paul, MN | COMMUNITY ACTION PARTNERSHIP OF RAMSEY AND WASHINGTON COUNTIES | 373 | 3 | 394 |
| Gering, NE | COMMUNITY ACTION PARTNERSHIP OF WESTERN NEBRASKA | 150 | 2 | 150 |
| Philadelphia, PA | COMMUNITY BEHAVIORAL HEALTH | 545 | 8 | 582 |
| Appleton, WI | COMMUNITY BLOOD CENTER | 151 | 4 | 151 |
| Latham, NY | COMMUNITY CARE PHYSICIANS, PLLC | 1,087 | 4 | 983 |
| Wailuku, HI | COMMUNITY CLINIC OF MAUI, INC. DBA MALAMA I KE OLA HEALTH CENTER | 160 | 10 | 160 |
| Silver Spring, MD | COMMUNITY CLINIC, INC. | 276 | 8 | 54 |
| Syracuse, NY | COMMUNITY FINANCIAL SYSTEM, INC. | 2,747 | 2 | 3,005 |
| Appleton, WI | COMMUNITY FIRST CREDIT UNION | 477 | 5 | 104 |
| Everett, WA | COMMUNITY HEALTH CENTER OF SNOHOMISH COUNTY | 590 | 4 | 165 |
| Indianapolis, IN | COMMUNITY HEALTH NETWORK, INC. | 17,056 | 6 | 14,610 |
| Seattle, WA | COMMUNITY HEALTH PLAN OF WASHINGTON | 736 | 4 | 47 |
| Windsor, CT | COMMUNITY HEALTH RESOURCES INC. | 680 | 3 | 897 |
| Oakland, CA | COMMUNITY INITIATIVES | 256 | 5 | 320 |
| Swarthmore, PA | COMMUNITY INTERACTIONS, INC. | 379 | 5 | 379 |
| Pittsburgh, PA | COMMUNITY LIVING & SUPPORT SERVICES, INC. | 132 | 6 | 125 |
| Greensburg, PA | COMMUNITY LIVING CARE, INC. | 107 | 2 | 107 |
| Falls City, NE | COMMUNITY MEDICAL CENTER INC | 322 | 5 | 322 |
| West Valley City, UT | COMMUNITY NURSING SERVICES | 359 | 2 | 359 |
| Carroll, IA | COMMUNITY OPPORTUNITIES, INC. | 121 | 1 | 121 |
| Colorado Springs, CO | COMMUNITY PARTNERSHIP FOR CHILD DEVELOPMENT | 283 | 4 | 283 |
| Dorchester, MA | COMMUNITY PROVIDERS OF ADOLESCENT SERVICES, INC. DBA COMPASS | 170 | 2 | 170 |
| Newington, CT | COMMUNITY RESIDENCES INC. | 493 | 5 | 67 |
| Erie, PA | COMMUNITY RESOURCES FOR INDEPENDENCE, INC. | 140 | 3 | 121 |
| Mountville, PA | COMMUNITY SERVICES GROUP, INC. | 1,010 | 2 | 1,011 |
| Pocassett, MA | COMMUNITY SYSTEMS SUPPORT AND MANAGEMENT SYSTEMS, INC. | 921 | 3 | 921 |
| Philadelphia, PA | COMMUNITY VETERINARY PARTNERS, LLC | 1,545 | 6 | 625 |
| Santa Monica, CA | COMPANY 3 / METHOD INC. | 611 | 8 | 756 |
| San Francisco, CA | COMPARENETWORKS, INC. | 120 | 7 | — |
| Dallas, TX | COMPONENTS CORPORATION OF AMERICA | 176 | 6 | 5 |
| Apollo, PA | COMPOSIDIE, INC. | 427 | 3 | — |
| Middletown, CT | COMPRECARE HEALTH LLC | 136 | 4 | 281 |
| Cranston, RI | COMPREHENSIVE COMMUNITY ACTION PROGRAM, INC. | 328 | 4 | 328 |
| Battle Creek, MI | COMPREHENSIVE SENIOR CARE CORP. | 332 | 16 | 332 |
| Westwood, MA | COMPUTACENTER UNITED STATES INC. | 1,583 | 8 | 1,610 |
| Ashburn, VA | COMPUTER SCIENCES CORPORATION | 9,105 | 40 | 7,848 |
| St. Paul, MN | COMPUTYPE, INC. | 179 | 5 | 179 |
| Melville, NY | COMTECH TELECOMMUNICATIONS CORP. | 1,117 | 8 | 1,529 |
| Stamford, CT | CONAIR LLC | 1,178 | 4 | 1,499 |
| College Park, GA | CONCESSIONS INTERNATIONAL, LLC | 366 | 2 | 684 |
| Louisville, KY | CONCO, INC. | 206 | 1 | 173 |
| Bedford, NH | CONCORD GENERAL MUTUAL INSURANCE COMPANY | 265 | 4 | 62 |
| Los Angeles, CA | CONCORD MUSIC GROUP, INC. | 500 | 5 | 494 |
| Gaithersburg, MD | CONCRETE GENERAL, INC. | 134 | 6 | 33 |
| Farmington, CT | CONNECTICARE CAPITAL LLC | 495 | 3 | 517 |
| Hartford, CT | CONNECTICUT CHILDRENS MEDICAL CENTER | 3,521 | 4 | 3,009 |
| Stratford, CT | CONNECTICUT DISTRIBUTORS INC | 285 | 2 | 317 |
| Waltham, MA | CONNECTRN, INC. | 89 | 3 | 89 |
| Roseland, NJ | CONNELL FOLEY, LLP | 249 | 7 | 253 |
| Fort Collins, CO | CONNELL RESOURCES, INC | 246 | 6 | 247 |
| Tulsa, OK | CONNER & WINTERS, LLP | 137 | 3 | 137 |
| Houston, TX | CONOCOPHILLIPS COMPANY | 6,856 | 8 | 6,856 |
| Isola, MS | CONSOLIDATED CATFISH COMPANIES LLC | 336 | 7 | 336 |
| Fort Myers, FL | CONSOLIDATED CITRUS, LP | 71 | 2 | 71 |
| Hastings, NE | CONSOLIDATED CONCRETE CO. | 171 | 3 | 168 |
| Oak Ridge, TN | CONSOLIDATED NUCLEAR SECURITY, LLC | 6,774 | 21 | 13 |
| Beltsville, MD | CONSOLIDATED WATERPROOFING CONTRACTORS, INC. | 225 | 4 | 225 |
| Bohemia, NY | CONSTANCE FOOD GROUP, INC, DBA NORRIS FOOD GROUP | 200 | 3 | 41 |
| Kennett Square, PA | CONSTELLATION ENERGY GENERATION LLC | 14,283 | 11 | 59,358 |
| Kennett Square, PA | CONSTELLATION ENERGY GENERATION LLC | 374 | 1 | 326 |
| Phoenix, AZ | CONSULTANT ENGINEERING, INC. | 158 | 4 | 158 |
| Herndon, VA | CONSULTING SERVICES GROUP, LLC | 194 | 5 | 24 |
| Yonkers, NY | CONSUMER REPORTS, INC. | 490 | 4 | 559 |
| Jackson, MI | CONSUMERS ENERGY COMPANY AND OTHER CMS COMPANIES | 7,585 | 6 | 15,804 |
| Charlotte, NC | CONTERRA ULTRA BROADBAND, LLC | 343 | 4 | 84 |
| Chicago, IL | CONTINENTAL CASUALTY COMPANY | 5,328 | 12 | 3,339 |
| Liberty, MO | CONTINENTAL DISC CORPORATION LLC | 250 | 3 | 250 |
| Shelton, WA | CONTINENTAL FLORAL LLC | 113 | 1 | 113 |
| San Diego, CA | CONTINENTAL MARITIME OF SAN DIEGO LLC | 444 | 8 | 444 |
| Tukwila, WA | CONTINENTAL MILLS, INC. | 914 | 4 | 830 |
| Columbus, OH | CONTINENTAL OFFICE INTERESTS | 88 | 2 | 88 |
| Baltimore, MD | CONTINENTAL REALTY CORPORATION | 350 | 6 | 336 |
| Virginia Beach, VA | CONTROLS CORPORATION OF AMERICA | 106 | 6 | 92 |
| Spartanburg, SC | CONVERSE UNIVERSITY | 186 | 4 | 234 |
| Fort Worth, TX | COOK CHILDRENS HEALTH CARE SYSTEM | 8,510 | 5 | 10,220 |
| Atlanta, GA | COOPERATIVE FOR ASSISTANCE AND RELIEF EVERYWHERE, INC. | 578 | 13 | 137 |
| North Dighton, MA | COOPERATIVE PRODUCTION, INC. | 304 | 4 | 304 |
| La Farge, WI | COOPERATIVE REGIONS OF ORGANIC PRODUCER POOLS COOPERATIVE, INC. | 865 | 4 | 887 |
| Fayetteville, TN | COPPERWELD BIMETALLICS LLC | 476 | 6 | 969 |
| Danvers, MA | COPYRIGHT CLEARANCE CENTER | 335 | 3 | 374 |
| North Bend, OR | COQUILLE ECONOMIC DEVELOPMENT CORPORATION | 385 | 3 | 470 |
| Redwood City, CA | CORCEPT THERAPEUTICS INCORPORATED | 501 | 3 | 525 |
| Sedalia, CO | CORE ELECTRIC COOPERATIVE | 303 | 4 | 668 |
| Houston, TX | CORE LABORATORIES LP | 887 | 7 | 1,290 |
| Philadelphia, PA | CORECARE SYSTEMS, INC. | 160 | 5 | 298 |
| Carol Stream, IL | CORECENTRIC SOLUTIONS, INC | 148 | 3 | 149 |
| Brentwood, TN | CORECIVIC OF TENNESSEE, LLC | 6,504 | 8 | 8,127 |
| Irvine, CA | CORELOGIC, INC. | 3,926 | 10 | 3,906 |
| Ithaca, NY | CORNELL UNIVERSITY | 14,315 | 11 | 10,312 |
| Cary, NC | CORNERSTONE BUILDING BRANDS, INC. | 14,604 | 9 | 16 |
| Waggaman, LA | CORNERSTONE CHEMICAL COMPANY | 456 | 7 | 301 |
| Boston, MA | CORNERSTONE RESEARCH, INC. | 911 | 8 | 106 |
| Mogadore, OH | CORNWELL QUALITY TOOLS COMPANY | 404 | 2 | 185 |
| Stafford, VA | CORPS SOLUTIONS | 241 | 10 | 61 |
| Port Saint Lucie, FL | CORRECTIONAL DENTAL PROVIDER NETWORK, PLLC | 107 | 2 | 104 |
| Chantilly, VA | CORT BUSINESS SERVICES CORPORATION | 2,168 | 3 | 2,815 |
| Houma, LA | CORTEC, LLC | 199 | 3 | 220 |
| Mooresville, NC | CORVID TECHNOLOGIES | 456 | 4 | 454 |
| Issaquah, WA | COSTCO WHOLESALE CORPORATION AND SUBSIDIARIES | 221,374 | 10 | 20,760 |
| Appleton, WI | COTERIE APPLICATIONS INC. | 150 | 2 | 134 |
| Lexington, MA | COTTING SCHOOL | 135 | 3 | 135 |
| Dubuque, IA | COTTINGHAM & BUTLER INSURANCE SERVICES, INC. | 1,971 | 3 | 1,309 |
| Los Angeles, CA | COTTON ON USA, INC. | 569 | 1 | 569 |
| New York, NY | COTY INC. | 1,803 | 3 | 2,469 |
| Portland, OR | COULSON AVIATION USA INC. | 170 | 2 | 170 |
| Philadelphia, PA | COUNCIL OF SPANISH SPEAKING ORGS, INC | 102 | 1 | 134 |
| Piqua, OH | COUNCIL ON RURAL SERVICE PROGRAMS, INC. | 228 | 3 | 228 |
| Hershey, PA | COUNTRY MEADOWS | 1,310 | 2 | 2,076 |
| Bloomington, IL | COUNTRY MUTUAL INSURANCE COMPANY | 0 | 4 | 51 |
| Brillion, WI | COUNTRY VISIONS COOPERATIVE | 332 | 3 | 332 |
| Newark, DE | COVATION INC. | 129 | 4 | 172 |
| Fort Worth, TX | COVENANT GROUP HOLDINGS, LP | 3,459 | 6 | 385 |
| Gastonia, NC | COVENANT VILLAGE, INC. | 164 | 31 | 140 |
| Mechanicsville, VA | COVENANT WOODS | 182 | 4 | 301 |
| Galion, OH | COVERT MANUFACTURING, INC. | 193 | 3 | 193 |
| Mansfield, MA | COVIDIEN LP | 0 | 1 | 306 |
| Spokane, WA | COWLES COMPANY | 491 | 4 | 491 |
| Morristown, NJ | COWORX STAFFING SERVICES LLC | 264 | 5 | 275 |
| Asburn, VA | CPG BEYOND, INC | 241 | 3 | 241 |
| Kansas City, MO | CPKC | 1,985 | 12 | 5,568 |
| Troutman, NC | CR ONSRUD INC | 191 | 4 | — |
| Lebanon, TN | CRACKER BARREL OLD COUNTRY STORE, INC. | 4,694 | 7 | 4,694 |
| Kimberly, WI | CRANE ENGINEERING SALES, INC. | 144 | 4 | 150 |
| Boston, MA | CREATIVE FINANCIAL STAFFING | 251 | 3 | 251 |
| Oceanside, CA | CREATIVE MINES | 117 | 5 | 131 |
| Mclean, VA | CREDENCE MANAGEMENT SOLUTIONS, LLC | 1,739 | 6 | 93 |
| Grand Island, NE | CREDIT MANAGEMENT SERVICES, INC. | 101 | 9 | 20 |
| Denver, CO | CREDIT UNION OF COLORADO, A FEDERAL CREDIT UNION | 411 | 5 | 411 |
| Salt Lake City, UT | CREMINELLI FINE MEATS LLC | 0 | 4 | 161 |
| Carlsbad, CA | CRESTAVILLA | 108 | 6 | 115 |
| Memphis, TN | CREW TRAINING INTERNATIONAL, INC. | 273 | 10 | 15 |
| Bridgeport, TX | CRISP INDUSTRIES, LLC | 145 | 3 | 140 |
| Arden Hills, MN | CRITICAL CARE SERVICES, INC. DBA LIFE LINK III | 283 | 5 | 283 |
| Atlanta, GA | CROWN HEALTHCARE INVESTMENTS, LLC DBA MEDCARE SOUTH | 18 | 4 | 21 |
| Nashua, NH | CROWN LINEN SERVICE, INC. | 142 | 6 | 142 |
| Jacksonville, FL | CROWN PRODUCTS COMPANY, INC. | 267 | 4 | 267 |
| Mesa, AZ | CRUISE AMERICA, INC. | 133 | 2 | 194 |
| Memphis, TN | CRYE-LEIKE, INC. | 266 | 3 | 148 |
| Temecula, CA | CRYOGENIC INDUSTRIES, INC. | 827 | 6 | 12 |
| Crystal River, FL | CRYSTAL MOTOR CAR COMPANY INC. | 275 | 8 | — |
| Mankato, MN | CRYSTAL VALLEY COOPERATIVE | 220 | 2 | 220 |
| Flushing, NY | CRYSTAL WINDOW & DOOR SYSTEMS, LTD. | 593 | 3 | 593 |
| Amarillo, TX | CS BEEF PACKERS LLC | 862 | 2 | 682 |
| Washington, DC | CSSI INC. | 153 | 3 | 187 |
| Kansas City, MO | CST INDUSTRIES, INC. | 291 | 6 | 653 |
| Long Beach, CA | CSULB RESEARCH FOUNDATION | 153 | 4 | 113 |
| Los Angeles, CA | CTBC BANK CORP. (USA) | 358 | 8 | 361 |
| York, PA | CTE, INC. | 37 | 3 | — |
| Baltimore, MD | CTR MANAGEMENT, INC. | 169 | 3 | 169 |
| Owings Mills, MD | CUA OPCO, LLC | 0 | 3 | 1,276 |
| Prairie Du Sac, WI | CULVER FRANCHISING SYSTEM, LLC. | 302 | 5 | 197 |
| Minneapolis, MN | CUNINGHAM GROUP ARCHITECTURE, INC. | 231 | 4 | 231 |
| Austin, TX | CURANA HEALTH | 1,227 | 3 | 2,571 |
| Latham, NY | CURRIER MCCABE & ASSOCIATES | 195 | 4 | 188 |
| Roaring Spring, PA | CURRY SUPPLY HOLDINGS, INC | 478 | 12 | 478 |