| Roseville, MN | NICE HEALTHCARE MANAGEMENT COMPANY, INC | 169 | 4 | 397 |
| Hoboken, NJ | NICE SYSTEMS, INC. | 3,338 | 22 | 2,700 |
| Pearl River, NY | NICE-PAK PRODUCTS, INC. | 1,109 | 14 | 381 |
| Wilmington, DE | NICHINO AMERICA INC. | 53 | 3 | 226 |
| Dublin, GA | NICHOLS CAULEY & ASSOCIATES, LLC | 212 | 4 | 390 |
| Columbia, MD | NICHOLS CONTRACTING, INC | 158 | 2 | 435 |
| Green Bay, WI | NICOLET NATIONAL BANK | 964 | 4 | 1,129 |
| Pendergrass, GA | NICOLON CORPORATION | 344 | 2 | 1,235 |
| Garner, IA | NID, INC. | 146 | 4 | 132 |
| Quincy, IL | NIEMANN FOODS INC | 1,459 | 6 | 1,263 |
| Boca Raton, FL | NIGHTINGALE ADMIN SERVICES, LLC | 130 | 9 | 93 |
| Rockville, MD | NIH FEDERAL CREDIT UNION | 127 | 7 | 93 |
| Beaverton, OR | NIKE, INC. | 38,383 | 12 | 30,508 |
| Jacksonville, FL | NIMNICHT MANAGEMENT COMPANY | 319 | 4 | 408 |
| Cincinnati, OH | NISBET INC. | 133 | 3 | 140 |
| Franklin, TN | NISSAN NORTH AMERICA, INC. | 16,220 | 12 | 14,256 |
| Brea, CA | NISUM TECHNOLOGIES | 244 | 8 | 471 |
| Irvine, CA | NITTO AVECIA PHARMA SERVICES, INC | 0 | 2 | 142 |
| Teaneck, NJ | NITTO, INC | 1,454 | 11 | 2,826 |
| Brentwood, TN | NIXON POWER SERVICES | 215 | 5 | 495 |
| Dumas, TX | NJFM COMPANY, LLC | 1,981 | 2 | 494 |
| Princeton, NJ | NJHA INSURANCE FUND | 76,979 | 3 | 57,075 |
| Houston, TX | NLUC, PLLC | 678 | 3 | 215 |
| Tiffin, OH | NM GROUP GLOBAL, LLC | 396 | 6 | 54 |
| Hunt Valley, MD | NMP ENGINEERING CONSULTANTS, INC. | 103 | 3 | 202 |
| Charlotte, NC | NN, INC. | 1,063 | 6 | 1,224 |
| Enid, OK | NO MAN'S LAND | 201 | 1 | 201 |
| Belle Vernon, PA | NOBLE ENVIRONMENTAL, INC. | 0 | 2 | 130 |
| Kirkland, WA | NOBLE HOUSE HOTELS & RESORTS, LTD. | 1,065 | 9 | 3,402 |
| Houston, TX | NOBLE SERVICES COMPANY LLC | 1,241 | 4 | 2,353 |
| Boston, MA | NOBLE SUPPLY & LOGISTICS | 489 | 6 | — |
| Murray Hill, NJ | NOKIA OF AMERICA CORPORATION | 6,440 | 14 | 54,633 |
| Orem, UT | NOMI HEALTH, INC. | 347 | 4 | 674 |
| Broomfield, CO | NOODLES & COMPANY | 850 | 5 | 42 |
| Englewood, CO | NORAC, INC. | 139 | 2 | 410 |
| Wilmington, DE | NORAMCO, LLC | 386 | 7 | 1,076 |
| Seffner, FL | NORCOM REALTY AND AFFILIATES | 407 | 7 | 1,209 |
| Waunakee, WI | NORD GEAR CORPORATION | 515 | 3 | 637 |
| New York, NY | NORDEA BANK ABP, NEW YORK BRANCH | 91 | 4 | 372 |
| Chicago, IL | NORDEX USA INC | 516 | 6 | 428 |
| Seattle, WA | NORDSTROM, INC. | 57,759 | 10 | 325 |
| Norfolk, VA | NORFOLK AIRPORT AUTHORITY | 180 | 6 | 126 |
| West Chicago, IL | NORIX GROUP, INC. | 100 | 2 | 393 |
| Ft Lauderdale, FL | NORSE ATLANTIC USA, LLC | 221 | 1 | 261 |
| Lafayette, OR | NORTH AMERICAN PLANTS, INC. | 103 | 5 | 272 |
| Lake Mary, FL | NORTH AMERICAN RISK SERVICES, INC. | 546 | 8 | 320 |
| Sioux Falls, SD | NORTH AMERICAN TRUCK AND TRAILER I | 263 | 3 | 319 |
| Oakbrook Terrace, IL | NORTH AMERICAN VAN LINES, INC. C/O SIRVA, INC. | 1,427 | 3 | 1,752 |
| Harrison, AR | NORTH ARKANSAS REGIONAL MEDICAL CENTER | 477 | 8 | 785 |
| Somerset, MA | NORTH ATLANTIC CORPORATION | 389 | 2 | 252 |
| Raleigh, NC | NORTH CAROLINA BANKERS ASSOCIATION INC. | 2,254 | 7 | 2,511 |
| Raleigh, NC | NORTH CAROLINA JOINT UNDERWRITING ASSOCIATION | 193 | 2 | 537 |
| Raleigh, NC | NORTH CAROLINA MEDICAL SOCIETY | 6,857 | 2 | 1,714 |
| Rocky Mount, NC | NORTH CAROLINA WESLEYAN UNIVERSITY | 202 | 5 | 202 |
| Columbus, OH | NORTH CENTRAL MENTAL HEALTH SERVICES INC | 162 | 4 | 109 |
| Daly City, CA | NORTH EAST MEDICAL SERVICES | 959 | 7 | 1,000 |
| Union, WA | NORTH FORTY LODGING LLC | 130 | 1 | 181 |
| Newark, NJ | NORTH JERSEY AIDS ALLIANCE DBA NJCRI | 100 | 3 | 100 |
| Castroville, TX | NORTH PARK CASTROVILLE MOTORS, LLC | 150 | 3 | 169 |
| San Antonio, TX | NORTH PARK LINCOLN MERCURY, INC. | 978 | 4 | 1,810 |
| Duluth, MN | NORTH SHORE BANK OF COMMERCE | 104 | 5 | 120 |
| Alhambra, CA | NORTHEAST COMMUNITY CLINICS | 346 | 5 | 76 |
| Baltimore, MD | NORTHEAST FOODS, INC. | 532 | 4 | 532 |
| Miami, OK | NORTHEASTERN TRIBAL HEALTH SYSTEM | 205 | 3 | 482 |
| Orlando, FL | NORTHERN JET, INC. | 195 | 6 | 195 |
| Clare, MI | NORTHERN LOGISTICS, INC. | 209 | 5 | 335 |
| Little Falls, MN | NORTHERN PINES MENTAL HEALTH CENTER, INC. | 136 | 2 | 459 |
| Albany, NY | NORTHERN RIVERS FAMILY SERVICES, INC. | 1,018 | 10 | 393 |
| Iving, TX | NORTHMARK STRATEGIES LLC | 544 | 5 | 1,169 |
| Falls Church, VA | NORTHROP GRUMMAN CORPORATION | 93,428 | 23 | 149,806 |
| Cleveland, OH | NORTHSHORE MINING COMPANY | 0 | 2 | 356 |
| Cleveland, OH | NORTHSHORE MINING COMPANY | 400 | 3 | 534 |
| Westbury, NY | NORTHWELL HEALTH | 39,753 | 11 | 71,471 |
| Idaho Falls, ID | NORTHWEST COSMETIC LABS, LLC | 544 | 6 | 693 |
| Portland, OR | NORTHWEST FAMILY SERVICES | 126 | 1 | 126 |
| Kirkland, WA | NORTHWEST FIBER, LLC | 1,812 | 11 | 401 |
| Seattle, WA | NORTHWEST FINANCIAL ASSNS EMPLOYEE BENEFIT TRUST | 4,062 | 18 | 377 |
| Seattle, WA | NORTHWEST HARVEST | 104 | 1 | 104 |
| Spokane, WA | NORTHWEST INDEPENDENT PLAN CENTER ASSOCIATION | 1,861 | 5 | 1,895 |
| Spokane, WA | NORTHWEST ORTHOPAEDIC SPECIALISTS, P.S. | 276 | 2 | 649 |
| Portland, OR | NORTHWEST PERMANENTE PHYSICIANS PC | 1,833 | 6 | 1,833 |
| St. Paul, MN | NORTHWEST RESPIRATORY SERVICES, LLC HEALTH AND WELFARE BENEFIT PLAN | 112 | 2 | 248 |
| Gig Harbor, WA | NORTHWEST SPORTS PHYSICAL THERAPY, INC., P.S. | 116 | 1 | 145 |
| Burlington, IA | NORTHWESTERN PLASTICS LTD | 134 | 1 | 171 |
| Lubbock, TX | NORTON ENERGY DRILLING LLC | 209 | 2 | 209 |
| Louisville, KY | NORTON HEALTHCARE, INC. DEPARTMENT | 14,962 | 15 | 28,211 |
| Nome, AK | NORTON SOUND HEALTH CORPORATION | 635 | 1 | 1,601 |
| Addison, TX | NOTHING BUNDT FRANCHISING, LLC | 301 | 2 | 301 |
| Nashville, IL | NOTS LOGISTICS, LLC | 768 | 4 | 768 |
| Houston, TX | NOURYON CHEMICALS LLC | 868 | 11 | 2,834 |
| Houston, TX | NOVA PENSION VALUATIONS LLC | 210 | 3 | 280 |
| Willmar, MN | NOVA-TECH ENGINEERING, LLC | 240 | 4 | 240 |
| East Hanover, NJ | NOVARTIS CORPORATION | 13,092 | 17 | 23,886 |
| Bethlehem, PA | NOVATECH, LLC | 284 | 5 | 82 |
| Virginia Beach, VA | NOVATEUR EDUCATION, INC. | 1,109 | 7 | 707 |
| Atlanta, GA | NOVELIS CORPORATION | 4,062 | 4 | 7,373 |
| Zeeland, MI | NOVO BUILDING PRODUCTS, LLC | 1,374 | 4 | 3,025 |
| Hartsville, SC | NOVOLEX HOLDINGS, LLC | 8,205 | 16 | 6,149 |
| Bloomingdale, IL | NOW HEALTH GROUP, INC. | 1,646 | 9 | 1,260 |
| Delray Beach, FL | NOW OPTICS | 940 | 9 | 417 |
| Omaha, NE | NP DODGE COMPANY | 518 | 6 | 305 |
| Green Bay, WI | NPS HOLDINGS LLC | 200 | 4 | 190 |
| Princeton, NJ | NRG AFFILIATE SERVICES, INC. | 4,951 | 11 | 4,729 |
| Saint Peters, MO | NRRM, LLC DBA CARSHIELD | 1,641 | 1 | 2,104 |
| Fort Pierce, FL | NSS ACQUISITION CORPORATION DBA BEV SMITH TOYOTA | 241 | 3 | 42 |
| Downers Grove, IL | NTI CONNECT, LLC | 669 | 5 | 1,051 |
| Mt Prospect, IL | NTN USA CORPORATION | 3,559 | 14 | 7,362 |
| Greenwood Village, CO | NTT AMERICA, INC. | 1,719 | 8 | 3,719 |
| Plano, TX | NTT DATA AMERICAS, INC. | 9,869 | 18 | 13,862 |
| Cincinnati, OH | NTT DATA BUSINESS SOLUTIONS INC. | 490 | 7 | 875 |
| Erwin, TN | NUCLEAR FUEL SERVICES, INC. | 993 | 9 | 836 |
| Leawood, KS | NUEHEALTH MANAGEMENT LLC | 765 | 8 | 1,358 |
| Milford, MA | NUMBER ONE INSURANCE AGENCY INC | 47 | 1 | 47 |
| Spokane Valley, WA | NUMERICA CREDIT UNION | 658 | 1 | 851 |
| Salt Lake City, UT | NUTRACEUTICAL CORPORATION | 716 | 2 | 1,001 |
| Huntington Beach, CA | NUVISION FEDERAL CREDIT UNION | 532 | 10 | 445 |
| Roseburg, OR | NW BEND BOATS LLC | 190 | 2 | 190 |
| Vancouver, WA | NWPX INFRASTRUCTURE, INC. | 1,180 | 12 | 3,451 |
| Austin, TX | NXP USA, INC. | 4,885 | 8 | 8,591 |
| Saddle Brook, NY | NY DAILY NEWS ENTERPRISES, LLC | 119 | 8 | 161 |
| Nyack, NY | NYACK HOSPITAL | 825 | 4 | 825 |
| Vestal, NY | NYSARC, INC. BROOME-CHENANGO-TIOGA COUNTIES CHAPTER | 343 | 3 | 105 |
| Canandaigua, NY | NYSARC, INC. ONTARIO COUNTY CHAPTER | 321 | 5 | 321 |
| Kingston, NY | NYSARC, INC. ULSTER GREENE PUTNAM COUNTIES CHAPTER | 921 | 4 | 203 |
| Niagara Falls, NY | NYSARC, INC., CATTARAUGUS NIAGARA COUNTIES CHAPTER | 322 | 6 | 66 |
| Troy, NY | NYSARC, RENSSELEAR COUNTY CHAPTER | 350 | 5 | 111 |
| New Brighton, MN | NYSTROM & ASSOCIATES, LTD. | 1,169 | 5 | — |
| Brooklyn Park, MN | NYSTROM INC. | 207 | 2 | 209 |
| New York, NY | NYU LANGONE HEALTH SYSTEM | 3,331 | 8 | 4,620 |
| New York, NY | NYU LANGONE HOSPITALS | 28,760 | 10 | 25,160 |
| Austin, TX | O'CONNELL ROBERTSON AND ASSOCIATES, INC. DBA O'CONNELL ROBERTSON | 135 | 3 | 275 |
| Frederick, MD | O'CONNOR PLUMBING & HEATING | 134 | 4 | 64 |
| Fargo, ND | O'DAY MANAGEMENT, INC. | 113 | 2 | 103 |
| Los Angeles, CA | O'MELVENY & MYERS LLP | 1,275 | 24 | 1,621 |
| Miamisburg, OH | O'NEIL & ASSOCIATES, INC. | 171 | 2 | 336 |
| Chicago, IL | O'NEIL INDUSTRIES, INC. | 108 | 3 | 241 |
| North Chesterfield, VA | O'TOOLE DISTRIBUTION, INC DBA PELLA WINDOWS AND DOORS | 107 | 5 | 114 |
| Perrysburg, OH | O-I GLASS, INC | 2,824 | 22 | 5,246 |
| Sandusky, OH | O.E. MEYER CO. | 113 | 4 | 245 |
| Seattle, WA | OAC SERVICES, INC. | 123 | 6 | 151 |
| Catonsville, MD | OAK CREST VILLAGE C/O ERICKSON SENIOR LIVING, LLC | 7,132 | 3 | 7,132 |
| Denver, CO | OAK VIEW GROUP LLC | 4,887 | 8 | 5,319 |
| Nappanee, IN | OAKLAND ENTERPRISES, INC. & SUBS | 144 | 5 | 253 |
| Westlake Village, CA | OAKS CHRISTIAN SCHOOL | 297 | 7 | 544 |
| Madison, WI | OAKWOOD VILLAGE UNIVERSITY WOODS HOMES, INC. | 417 | 5 | 335 |
| Birmingham, AL | OAKWORTH CAPITAL BANK | 163 | 5 | 322 |
| West Palm Beach, FL | OASIS OUTSOURCING HOLDINGS, INC. | 86,064 | 47 | 43,667 |
| Greenville, SC | OBHG MANAGEMENT SERVICES, LLC | 875 | 6 | 1,865 |
| Londonderry, NH | OBI RETIREE VOLUNTARY EMPLOYEE BENEFITS ASSOCIATION | 0 | 3 | 100 |
| Alexandria, VA | OBLON, MCCLELLAND, MAIER & NEUSTADT, L.L.P. | 142 | 6 | 142 |
| San Mateo, CA | OBSERVE INC. | 164 | 8 | 372 |
| Denver, CO | OBSIDIAN HR, INC. | 0 | 3 | 1,835 |
| Houston, TX | OCCIDENTAL CHEMICAL CORPORATION | 351 | 6 | 169 |
| Houston, TX | OCCIDENTAL PETROLEUM CORPORATION | 8,807 | 11 | 16,915 |
| Mechanicsburg, PA | OCCUPATIONAL HEALTH CENTERS OF CALIFORNIA, A MEDICAL CORPORATION | 506 | 7 | 550 |
| Mechanicsburg, PA | OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST, P.A. | 940 | 9 | 996 |
| Myrtle Beach, SC | OCEAN LAKES SERVICE CORPORATION | 286 | 6 | 286 |
| Washington, DC | OCEANA | 111 | 2 | 177 |
| Plano, TX | OCEANS ACQUISITION INC. | 1,536 | 2 | 2,331 |
| New Orleans, LA | OCHSNER CLINIC FOUNDATION | 20,729 | 5 | 3,615 |
| San Antonio, TX | OCI ENTERPRISES INC. | 222 | 6 | 381 |
| Stockton, CA | OCONNOR WOODS HOUSING CORP | 262 | 6 | 340 |
| Mcclean, VT | OCT CONSULTING, LLC | 157 | 1 | 242 |
| New York, NY | OCTANE LENDING INC. | 498 | 14 | 617 |
| Mclean, VA | ODDBALL, INC. | 333 | 4 | 620 |
| Houston, TX | ODFJELL HOLDINGS (US) INC. | 173 | 4 | 729 |
| Boca Raton, FL | ODP INTERNATIONAL, LLC | 8,360 | 11 | 48 |
| New York, NY | ODYSSEY HOUSE, INC. | 236 | 8 | 62 |
| Charlotte, NC | OFFICE ENVIRONMENTS, INC. | 112 | 1 | 191 |
| New York, NY | OFFICE OF THE COMMISSIONER OF BASEBALL | 6,998 | 23 | 2,124 |
| Tucson, AZ | OFFSHORE INTERNATIONAL, INCORPORATED | 133 | 3 | 250 |
| Norcross, GA | OFS FITEL, LLC | 1,194 | 9 | 21 |
| Oklahoma City, OK | OGE ENERGY CORP. | 2,272 | 10 | 6,712 |
| Norwalk, OH | OGLESBY CONSTRUCTION, INC. | 141 | 3 | 141 |
| Tucker, GA | OGLETHORPE POWER CORPORATION | 863 | 12 | 733 |
| Huntington Park, CA | OHECK, LLC | 169 | 4 | 196 |
| Bryan, OH | OHIO GAS COMPANY | 75 | 2 | 179 |
| Springfield, OH | OHIO MASONIC HOMES | 326 | 5 | 326 |
| Marietta, OH | OHIO STATE PLUMBERS & PIPEFITTERS HEALTH AND WELFARE FUND | 945 | 2 | 1,184 |
| Piketon, OH | OHIO VALLEY ELECTRIC CORPORATION | 532 | 6 | 1,590 |
| Cincinnati, OH | OHIO VALLEY GOODWILL INDUSTRIES | 723 | 5 | 723 |
| Corsicana, TX | OIL CITY IRON WORKS, INC. | 226 | 3 | 367 |
| Arlington, TX | OIL STATES MANAGEMENT, INC. | 1,458 | 4 | 3,038 |
| Ojai, CA | OJAI VALLEY INN AND SPA | 626 | 6 | 897 |
| Ojai, CA | OJAI VALLEY SCHOOL | 100 | 6 | 154 |
| Oklahoma City, OK | OKLAHOMA FARM BUREAU AND AFFILIATED COMPANIES | 325 | 3 | 549 |
| Oklahoma City, OK | OKLAHOMA STATE FAIR INC. | 108 | 3 | 222 |
| Salt Lake City, UT | OKLAND MANAGEMENT CORPORATION | 638 | 3 | 1,651 |
| San Francisco, CA | OKTA, INC. | 3,793 | 12 | 7,228 |
| Thomasville, NC | OLD DOMINION FREIGHT LINE, INC. | 44,525 | 13 | 39,492 |
| Norfolk, VA | OLD DOMINION UNIVERSITY RESEARCH FOUNDATION | 133 | 13 | 215 |
| Anchorage, AK | OLD HARBOR NATIVE CORPORATION | 2,144 | 9 | 276 |
| Minnetonka, MN | OLD REPUBLIC NATIONAL TITLE HOLDING COMPANY | 9,057 | 9 | 4,602 |
| Clayton, MO | OLIN CORPORATION | 6,813 | 12 | 13,614 |
| Hauppauge, NY | OLIVER PACKAGING, LLC | 543 | 2 | 543 |
| Harrisburg, PA | OLLIE'S BARGAIN OUTLET, INC. | 5,407 | 12 | 6,291 |
| St. Paul, MN | OLSEN THIELEN & CO., LTD. | 99 | 2 | 156 |
| Tulsa, OK | OLYMPIA STREET, LLC | 345 | 6 | 447 |
| Council Bluffs, IA | OMAHA STANDARD, LLC | 654 | 1 | 1,538 |
| Lakeland, FL | OME PEO INC | 1,048 | 2 | 654 |
| Winston Salem, NC | OMEGA CONSTRUCTION, INC. | 172 | 5 | 172 |
| Hillsboro, OR | OMEGA MORGAN, INC. | 360 | 21 | 465 |
| Wichita, KS | OMEGA SENIOR LIVING, LLC | 103 | 6 | 229 |
| Reading, PA | OMEGA SYSTEMS CONSULTANTS, LLC | 220 | 5 | 220 |
| Battle Creek, MI | OMNI COMMUNITY CREDIT UNION | 121 | 5 | 281 |
| Gainesville, VA | OMNI FEDERAL | 227 | 2 | 534 |
| Houston, TX | OMNI HOLDCO, LLC | 2,021 | 6 | 2,021 |
| Dallas, TX | OMNI HOTELS MANAGEMENT CORPORATION | 19,087 | 23 | 5,471 |
| Lincolnwood, IL | OMNIA HEALTHCARE GROUP LLC | 2,805 | 4 | — |
| Cincinnati, OH | OMNIA360 FACILITY SOLUTIONS, LLC | 149 | 2 | 342 |
| Seattle, WA | OMNIDIAN, INC | 232 | 2 | 488 |
| Norcross, GA | ON SERVICES, LLC | 406 | 2 | 406 |
| Dallas, TX | ON TARGET SUPPLIES AND LOGISTICS, LTD | 242 | 3 | 226 |
| Dallas, TX | ONCOR ELECTRIC DELIVERY COMPANY LLC | 5,083 | 11 | 10,598 |
| Hanover, MD | ONE CALL CONCEPTS LOCATING SERVICES, INC | 102 | 4 | 203 |
| Jacksonville, FL | ONE CALL MEDICAL INC. | 1,887 | 3 | 2,506 |
| Glendale Heights, IL | ONE STOP MAILING, LLC | 298 | 4 | 356 |
| Lenexa, KS | ONE TRUE HOLDING COMPANY | 199 | 5 | 470 |
| Clear Lake, IA | ONE VISION | 278 | 7 | 173 |
| Phoenix, AZ | ONEAZ CREDIT UNION | 503 | 8 | 201 |
| Charlotte, NC | ONECBI, LLC | 89 | 3 | 280 |
| Evansville, IN | ONEMAIN GENERAL SERVICES CORPORATION | 8,926 | 10 | 3,701 |
| Tulsa, OK | ONEOK, INC. | 5,012 | 4 | 9,586 |
| Omaha, NE | ONESTAFF MEDICAL, LLC | 1,111 | 2 | 1,111 |
| Houston, TX | ONESUBSEA LLC | 760 | 16 | 2,943 |
| Birmingham, AL | ONIN STAFFING, LLC | 7,767 | 6 | 928 |
| West Palm Beach, FL | ONITY GROUP INC. | 997 | 7 | 824 |
| Diamond Bar, CA | ONO MANAGEMENT LLC | 270 | 4 | 351 |
| Montclair, CA | OPARC | 234 | 4 | 263 |
| Ossining, NY | OPEN DOOR FAMILY MEDICAL CENTER, INC. | 459 | 8 | 439 |
| San Francisco, CA | OPENGOV, INC. | 533 | 3 | 1,031 |
| Austin, TX | OPENROAD OPCO. LLC | 175 | 2 | 412 |
| Kansas City, MO | OPERATION BREAKTHROUGH INC. | 139 | 4 | 158 |
| Pinellas Park, FL | OPERATION PAR, INC. | 405 | 3 | 310 |
| Clifton, NJ | OPERATIVE PLASTERERS&CEMENT MASONS LOCAL 29 WELFARE FUND | 64 | 2 | 64 |
| Abilene, TX | OPHTHALMOLOGY SPECIALISTS OF TEXAS, PLLC | 150 | 3 | 191 |
| Valparaiso, IN | OPPORTUNITY ENTERPRISES, INC. | 138 | 8 | 232 |
| Novi, MI | OPTALIS PROFESSIONAL SERVICES, LLC | 3,316 | 1 | 4,744 |
| Glencoe, IL | OPTIMA, INC. | 113 | 4 | 130 |
| New York, NY | OPTIMIZELY NORTH AMERICA, INC. | 499 | 6 | 906 |
| Santa Ana, CA | OPTIMUM EMPLOYER SOLUTIONS | 407 | 15 | 1,052 |
| San Diego, CA | OPTIONS FOR ALL | 356 | 11 | 134 |
| East Granby, CT | OPUS TECHNOLOGIES INC | 1,288 | 5 | 1,625 |
| Bay City, TX | OQ CHEMICALS CORPORATION | 340 | 6 | 586 |
| Redwood City, CA | ORACLE AMERICA, INC. | 58,507 | 11 | 59,500 |
| Tulsa, OK | ORAL ROBERTS UNIVERSITY | 585 | 4 | 914 |
| Pearl River, NY | ORANGE & ROCKLAND UTILITIES, INC. | 2,059 | 5 | 1,188 |
| Goshen, NY | ORANGE COUNTY CEREBRAL PALSY ASSOCIATION, INC. | 105 | 5 | 56 |
| Orange Park, FL | ORANGE PARK NURSING LLC | 18 | 1 | 44 |
| Southfield, MI | ORCHARDS CHILDREN'S SERVICES, INC. | 330 | 10 | 489 |
| Fort Pierce, FL | ORCHID ISLAND JUICE COMPANY | 210 | 5 | 298 |
| Springfield, OR | OREGON COMMUNITY CREDIT UNION | 608 | 4 | 877 |
| Portland, OR | OREGON COMMUNITY FOUNDATION | 116 | 7 | 286 |
| Eugene, OR | OREGON IMAGING CENTERS | 89 | 3 | 211 |
| Eugene, OR | OREGON PACIFIC BANKING CO | 146 | 3 | 358 |
| North Plains, OR | OREGON-CANADIAN FOREST PRODUCTS, INC. | 94 | 2 | 90 |
| Centennial, CO | ORICA USA INC. | 495 | 10 | 712 |
| Rockville, MD | ORIGENE TECHNOLOGIES, INC. | 128 | 9 | 209 |
| West Sacramento, CA | ORIGIN MATERIALS OPERATING, INC. | 100 | 7 | 97 |
| Omaha, NE | ORION ADVISOR SOLUTIONS, INC. | 1,350 | 5 | 2,739 |
| Houston, TX | ORION REAL ESTATE SERVICES, INC. | 748 | 11 | 778 |
| Easton, MD | ORION SAFETY PRODUCTS | 106 | 1 | 232 |
| Dallas, TX | ORIX CORPORATION USA | 1,232 | 2 | 1,772 |
| Orlando, FL | ORLANDO HEALTH, INC. | 34,992 | 11 | 167 |
| Orlando, FL | ORLANDO TELEPHONE COMPANY, INC | 267 | 9 | 204 |
| Erie, MI | ORT TOOL & DIE CORPORATION | 97 | 2 | 188 |
| Draper, UT | ORTHO DEVELOPMENT | 200 | 6 | 169 |
| Cerritos, CA | ORTHO MATTRESS, INC. | 89 | 4 | 39 |
| Anchorage, AK | ORTHOALASKA, LLC | 442 | 3 | 912 |
| Edgewood, KY | ORTHOCINCY ORTHOPAEDICS AND SPORTS MEDICINE, PSC | 574 | 4 | 784 |
| Lewisville, TX | ORTHOFIX US LLC | 775 | 5 | 775 |
| Rostraver, PA | ORTHOPEDIC AND SPORTS PHYSICAL THERAPY ASSOCIATES, INC. | 225 | 9 | — |
| Farmington, CT | ORTHOPEDIC ASSOCIATES OF HARTFORD, PC | 289 | 2 | 565 |
| Phoenix, AZ | ORTHOPEDIC SPECIALIST OF NORTH AMERICA PLLC | 1,283 | 5 | 2,143 |
| Fort Myers, FL | ORTHOPEDIC SPECIALISTS OF SW FLORIDA | 234 | 7 | 234 |
| Camp Hill, PA | ORTHOPEDIC SURGEONS, LTD. DBA ORTHOPEDIC INSTITUTE OF PENNSYLVANIA | 314 | 9 | 134 |
| San Diego, CA | ORW USA, INC. | 413 | 3 | 413 |
| Clarkston, MI | OSCAR W. LARSON COMPANY | 2,373 | 4 | 3,411 |
| Oshkosh, WI | OSHKOSH CORPORATION | 16,209 | 8 | 21,744 |
| Palo Alto, CA | OSHMAN FAMILY JEWISH COMMUNITY CENTER | 228 | 5 | 350 |
| Hawthorne, CA | OSI SYSTEMS, INC. | 1,814 | 15 | 337 |
| Peachtree City, GA | OSMOSE UTILITIES SERVICES, INC. | 1,737 | 4 | 2,348 |
| Hillsboro, NH | OSRAM SYLVANIA INC. | 918 | 13 | 943 |
| Pomona, CA | OSTERKAMP TRANSPORTATION GROUP | 169 | 4 | 399 |
| Oneonta, AL | OTELCO TELEPHONE LLC | 662 | 5 | 1,117 |
| New York, NY | OTG MANAGEMENT, LLC | 4,023 | 5 | 4,023 |
| Williamsburg, VA | OUR TOWN HOSPITALITY, LLC | 619 | 4 | 718 |
| Bentonville, AR | OUTDOOR CAP COMPANY, INC. | 333 | 2 | 402 |
| Dallas, TX | OUTMATCH, INC. | 29 | 1 | 69 |
| Calvert, AL | OUTOKUMPU STAINLESS USA LLC | 945 | 2 | 2,221 |
| Seattle, WA | OUTREACH CORPORATION | 557 | 1 | 971 |
| Orlando, FL | OUZINKIE NATIVE CORPORATION | 1,370 | 6 | 1,097 |
| Fairfield, IA | OVERLAND SHEEPSKIN CO., INC. | 203 | 4 | 227 |
| Irondale, AL | OVERNIGHT PARTS INC. | 156 | 1 | 156 |
| Mobile, AL | OVERSEAS HARDWOODS COMPANY, INC. | 137 | 11 | 196 |
| Salt Lake City, UT | OVIVO USA, LLC | 468 | 3 | 824 |
| Toledo, OH | OWENS CORNING | 17,933 | 12 | 12,502 |
| Hanover, PA | OX PAPER TUBE & CORE LLC | 555 | 4 | 865 |
| Spokane, WA | OXARC, LLC | 201 | 1 | 125 |
| West Palm Beach, FL | OXBOW CARBON LLC | 42 | 13 | 978 |