| Aerosol Monitoring & Analysis, Inc. | Hanover | MD | $2.55M |
| G2RJ Incorporated | San Diego | CA | $2.54M |
| Alpine Archaeological Consultants Inc. | Montrose | CO | $2.51M |
| Hayden Lawrence | Green Pond | SC | $2.5M |
| Synergy Resource Solutions, Inc. | Belgrade | MT | $2.5M |
| The Ottery Group, Inc. | Silver Spring | MD | $2.48M |
| Wildscape Restoration, Inc. | Ventura | CA | $2.47M |
| Sierra West Consultants, Inc. | Fair Oaks | CA | $2.47M |
| Catalyst Environmental Solutions Corporation | Van Nuys | CA | $2.42M |
| Terraxplorations, Inc. | Tuscaloosa | AL | $2.38M |
| LRS Gryphon JV LLC | Pasadena | MD | $2.37M |
| Straughan-jmt A Joint Venture | Columbia | MD | $2.33M |
| Warm Springs Geo Visions | Warm Springs | OR | $2.25M |
| Dockit Consulting, LLC | Sarasota | FL | $2.21M |
| Eas WSP JV, LLC | Anchorage | AK | $2.15M |
| Nuglobal Solutions LLC | Friendsville | TN | $2.14M |
| Aehs Incorporated | San Antonio | TX | $2.11M |
| Ahtna-arcadis 8(a) JV #2, LLC | Anchorage | AK | $2.08M |
| Gs Group LLC | Detroit | MI | $2.07M |
| Advanced Matrix, Inc. | Plymouth | MI | $2.05M |
| Quantitative Hydro Solutions Inc. | Indiana | PA | $2.04M |
| M & R USA Inc. | Discovery Bay | CA | $2.02M |
| Summitec Corp. | Knoxville | TN | $2.02M |
| Cogstone Resource Management | Orange | CA | $2.02M |
| Panamerican Consultants Inc. | Tuscaloosa | AL | $1.97M |
| Invasive Plant Control, Inc. | Nashville | TN | $1.96M |
| Grouse Mountain Environmental Consultants, LLC | Buffalo | WY | $1.94M |
| Pars Gannett Fleming Joint Venture | Camp Hill | PA | $1.93M |
| Swift River Environmental Services, LLC | Anchorage | AK | $1.93M |
| Pyrologix LLC | Missoula | MT | $1.92M |
| Perennial Zero Waste LLC | Bellingham | WA | $1.9M |
| G.c. Environmental And Trucking LLC | Atlantic City | NJ | $1.87M |
| Ndn-sundance JV Alliance LLC | Jacksonville | FL | $1.87M |
| Srs-bb&e JV, LLC | Milwaukee | WI | $1.87M |
| Ahtna Government Services Corp. | Rancho Cordova | CA | $1.83M |
| Network Environmental Systems, Incorporated | Folsom | CA | $1.8M |
| Criterion Laboratories Inc. | Bensalem | PA | $1.8M |
| Cenibark International, Inc. | Westminster | CO | $1.8M |
| Esi-atc JV LLC | Novi | MI | $1.79M |
| Commonwealth Heritage Group, Inc. | Dexter | MI | $1.76M |
| Helios-tt 8(a) JV | Anchorage | AK | $1.75M |
| See LLC | Seattle | WA | $1.72M |
| Lewis Environmental Consulting, LLC | Farmington | KY | $1.7M |
| Cenpec, LLC | Germantown | MD | $1.69M |
| Tetra Tech, Inc.Billings, MT · UEI DHJYT7ANLEC4 | Billings | MT | $1.68M |
| Rjrudy LLC | Broomfield | CO | $1.68M |
| Tetra Tech Inc. | Arlington | VA | $1.66M |
| North Wind Resource Consulting, LLC | Knoxville | TN | $1.66M |
| Integrated Lakes Management, Inc. | Waukegan | IL | $1.64M |
| Ruth Villalobos & Associates, Inc. | Rancho Cucamonga | CA | $1.63M |
| Tropical Environmental Inc. | Huntley | IL | $1.63M |
| Richard Grubb And Associates, Inc. | Cranbury | NJ | $1.6M |
| Transamerican Solutions LLC | Boise | ID | $1.6M |
| Midwest Assistance Program, Inc. | Maryville | MO | $1.6M |
| Environment Of Care Solutions LLC | Mason | OH | $1.59M |
| Biodiversity Research Institute | Portland | ME | $1.57M |
| Aspen Environmental Group | Agoura Hills | CA | $1.57M |
| Trine Environmental Inc. | Brighton | MI | $1.55M |
| Cirrus Ecological Solutions, L.c. | Logan | UT | $1.55M |
| Jalbert And Associates, Inc. | Virginia Beach | VA | $1.54M |
| Tetra Tech, Inc.Jacksonville, FL · UEI LX88PSYNDAP6 | Jacksonville | FL | $1.53M |
| Summitwest Environmental, Inc. | Bend | OR | $1.51M |
| Q&ageiss LLC | San Antonio | TX | $1.51M |
| Stillwater-anchor Joint Venture | Berkeley | CA | $1.5M |
| L & P Scientific Consulting LLC | El Paso | TX | $1.47M |
| Commonwealth Heritage Group, LLC | Dexter | MI | $1.47M |
| Apex Resource Management Solutions Ltd. | Ottawa | ON | $1.47M |
| L.c. Lee & Associates, Inc. | Bellingham | WA | $1.47M |
| JV Itam Viii | Nurnberg | | $1.44M |
| Riverfront Safety & Health, Lc | Saint Louis | MO | $1.43M |
| FMF Pandion | San Diego | CA | $1.42M |
| Rocky Mountain Ecology LLC | Los Ranchos | NM | $1.4M |
| Dine Gray & Pape JV | Albuquerque | NM | $1.39M |
| Anabranch Solutions, LLC | Denver | CO | $1.37M |
| Hector J Ruiz Torres | Hormigueros | PR | $1.36M |
| Healthy Housing Solutions, Inc. | Columbia | MD | $1.35M |
| Conservation Science Partners, Inc. | Truckee | CA | $1.34M |
| Lilium LLC | Charleston | SC | $1.34M |
| Aeternum, LLC | Sterling | VA | $1.32M |
| Mcguire Tamara | Corvallis | OR | $1.32M |
| Owl Auxilio 8a JV LLC | Arvada | CO | $1.3M |
| LGL Ecological Research Associates, Inc. | Bryan | TX | $1.28M |
| MTM Environmental, LLC | Gadsden | AL | $1.26M |
| Lakind Associates, LLC | Catonsville | MD | $1.25M |
| Conservation Science & Data Visualization LLC | Boise | ID | $1.24M |
| Geosyntec Consultants International Inc. | Guelph | ON | $1.23M |
| Hana Resources, Inc. | Lake Forest | CA | $1.22M |
| Native-x, Inc. Archaeological Services | Lincoln | CA | $1.2M |
| Trinity Consultants Inc. | Dallas | TX | $1.2M |
| Dk Environmental & Construction Services, Inc. | Johnstown | PA | $1.2M |
| Richard C Dewees | Douglassville | PA | $1.2M |
| Spatial Informatics Group LLC | Pleasanton | CA | $1.19M |
| Nuka Research & Planning Group LLC | Plymouth | MA | $1.19M |
| St John Environmental Consulting LLC | Saint Louis | MO | $1.18M |
| JH1 Consultants, LLC | Brandon | FL | $1.18M |
| Urkov Group, LLC, The | Sacramento | CA | $1.18M |
| 106 Group Ltd. | Saint Paul | MN | $1.18M |
| Biohabitats Inc. | Baltimore | MD | $1.17M |
| Axlor Consulting LLC | Woburn | MA | $1.16M |
| Remsa Inc. | Hampton | VA | $1.14M |
