| Ohio Federation Of Soil And Water Conservation Districts | Reynoldsburg | OH | $0 |
| Omega Blue Solutions, LLC | Palm City | FL | Subcontractor |
| Omega Solutions, Inc. | Santa Clara | CA | Subcontractor |
| Omni Divers Underwater Services, L.L.C. | Gray Court | SC | $0 |
| Onix II, Inc. | Emporium | PA | Subcontractor |
| Onix, Inc. | Coraopolis | PA | Subcontractor |
| Operational Concepts LLC | West Simsbury | CT | Subcontractor |
| Operation Lifesaver, Inc. | Washington | DC | $0 |
| Organize Your Life LLC | Springville | NY | $0 |
| Ostenaa Geologic LLC | Littleton | CO | Subcontractor |
| Ottawa Heart Institute Research Corp. | Ottawa | ON | $0 |
| Oxford Policy Management Limited | Oxford | | Subcontractor |
| Ozen Engineering, Inc. | Sunnyvale | CA | Subcontractor |
| Pacifica Services, Inc. | Pasadena | CA | $0 |
| Pacific Salmon Commission | Vancouver | BC | $0 |
| Paper & Parchment Conservation, LLC | Alexandria | VA | $0 |
| Paragon Sciences LLC | Herndon | VA | Subcontractor |
| Parametrix Inc. | Salt Lake City | UT | Subcontractor |
| Paramount Safety And Training L.L.C. | Grand Rapids | MN | $0 |
| Paraprofessional Healthcare Institute Inc. | New York | NY | $0 |
| Particulate Solid Research, Inc. | Chicago | IL | Subcontractor |
| Patricia Siegel Enterprises, Inc. | Great Neck | NY | $0 |
| Patrick S Romano | Sacramento | CA | $0 |
| Patriot Solutions International, LLC | Arvada | CO | Subcontractor |
| Pelagic Research Services, LLC | East Aurora | NY | $0 |
| Pennsylvania Certified Organic | Spring Mills | PA | $0 |
| Perception Ir Special Services LLC | Wesley Chapel | FL | Subcontractor |
| Percival Inc. | Columbia | MD | Subcontractor |
| Persistent Surveillance Systems LLC | Xenia | OH | $0 |
| Petals To Protons Technical Writing & Editing | Lake Forest Park | WA | $0 |
| Phoebe Schreiber | Las Vegas | NV | $0 |
| Pileum Corporation | Jackson | MS | $0 |
| Pilgrim Companions Inc. | Indianapolis | IN | Subcontractor |
| Pinnacle Government Consulting, Inc. | Ashburn | VA | Subcontractor |
| Pinti Rehabilitation MGMT | Beavercreek | OH | $0 |
| Pioneer Engineering Company | Fort Collins | CO | $0 |
| Pliant Management Services, LLC | Sterling | VA | Subcontractor |
| PLM Lake & Land Management Corp.Howard City, MI · UEI GHDDQUTSTUB4 | Howard City | MI | $0 |
| PLM Lake & Land Management Corp.Georgetown, SC · UEI UK7XE7EV9JZ5 | Georgetown | SC | $0 |
| PLM Lake & Land Management Corp.Alto, MI · UEI XNVFCFJEVBQ8 | Alto | MI | $0 |
| Policy And Management Consulting Group, PMCG, Inc. | Arlington | VA | Subcontractor |
| Pollak, Nancy | Walkersville | MD | $0 |
| Polly A. Peterson, PH.D CRC, LLC | Boise | ID | $0 |
| Poorman Roebuck Publishing & Technology, LLC | Fort Wayne | IN | Subcontractor |
| Powergen Strategies Inc. | Fredericksburg | VA | Subcontractor |
| Power Tech Inc. | Mcdonough | GA | $0 |
| Precision Computer Services, Inc. | Shelton | CT | $0 |
| Precision Security Consulting LLC | Escondido | CA | Subcontractor |
| Price, Courtney | Cambridge | ON | $0 |
| Prima Strategic Group Inc. | Houston | TX | $0 |
| Prismecs LLC | Houston | TX | Subcontractor |
| Probe Software, Inc. | Eugene | OR | Subcontractor |
| Progressive Communications, Inc. | Lisle | IL | Subcontractor |
| Proschan Frank | Washington | DC | $0 |
| Prosthetic & Orthotic Solutions, LLC | West Springfield | MA | $0 |
| Proto, Inc. | Van Nuys | CA | $0 |
| Proven Training Concepts Corp. | Mechanicsville | MD | Subcontractor |
| Public Health Partners, LLC | Topsham | ME | $0 |
| Pyramid Communications, SPC | Seattle | WA | $0 |
| QCMD | Glasgow | | Subcontractor |
| Qed Lab Inc. | Troutdale | OR | Subcontractor |
| Qlarant Inc. | Easton | MD | $0 |
| Quality Assurance Resources, LLC | Freeburg | IL | $0 |
| Quality For Business Success, LLC | San Juan | PR | $0 |
| Rabab Inc. | Snellville | GA | Subcontractor |
| Radiofrequency Safety International Corporation | Kiowa | KS | $0 |
| Radiopharmaceutical Imaging And Dosimetry, LLC | Baltimore | MD | $0 |
| Radserv LLC | Cheshire | CT | $0 |
| Ramparts LLC | Clarksville | MD | Subcontractor |
| Randall & Hurley, Inc. | Liberty Lake | WA | Subcontractor |
| Raven Works LLC | Fredericksburg | VA | Subcontractor |
| R C M Technologies, Inc. | Pennsauken | NJ | Subcontractor |
| RDR Inc. | Southern Pines | NC | Subcontractor |
| Real Time Medical Systems LLC | Columbia | MD | Subcontractor |
| Redzone Robotics, Inc. | Warrendale | PA | $0 |
| Regional Integrated Multi-hazard Early Warning System | Klongluang | TEXAS | $0 |
| Regional Plan Association Inc. | New York | NY | Subcontractor |
| Regscan, LLC | Williamsport | PA | Subcontractor |
| Regulatory Compliance Services, Corp. | San Juan | PR | Subcontractor |
| Regulatory/quality Management Information Source Incorporated | Amesbury | MA | Subcontractor |
| Rehabilitation Psychology, Inc. | Columbus | OH | $0 |
| Reichenbach Kristina L | Germantown | NY | $0 |
| Reliant Global Solutions LLC | Littleton | CO | Subcontractor |
| Rhodes Edward | Mc Lean | VA | $0 |
| Riggsafe Solutions, Inc. | Tellico Plains | TN | Subcontractor |
| Rinaldo Thomas N | Buffalo | NY | $0 |
| Rite-way Excavation, Inc. | London | KY | $0 |
| River Career Counseling Inc. | Troy | NY | $0 |
| River Management Society, Inc. A/k/a River Management Society | Takoma Park | MD | $0 |
| Robert B Montgomery | Port Hueneme | CA | $0 |
| Rocker, Jeffrey | Encinitas | CA | Subcontractor |
| Rock Solid Gp, LLC | Fargo | ND | $0 |
| Rockwater Drilling Co. | Wooster | OH | Subcontractor |
| Ronald Johnson | Denton | TX | $0 |
| Root Change. Inc. | Washington | DC | Subcontractor |
| Rostan Solutions, LLC | Lake Worth | FL | $0 |
| Rovnotech LLC | Springfield | VA | Subcontractor |
| Roy Melluish | Marshall | MI | $0 |
| Roy William Detwiler | Tyler | TX | $0 |
| R & R Visual, Inc. | Rochester | IN | $0 |
