Really-virtual Corporation | Savannah | GA | — | ● ACTIVE |
| RAReal-time Analyzers INC | Middletown | CT | — | ● ACTIVE |
Recovery Monitoring Solutions, LLC | Dallas | TX | — | ● ACTIVE |
Red Heritage Medical Diagnostics Company LLC | Knoxville | TN | — | ● ACTIVE |
Redshift Bioanalytics INC | Boxborough | MA | — | ● ACTIVE |
Relevant Solutions, LLC | Houston | TX | — | ● ACTIVE |
Renaissance Scientific, INC. | Boulder | CO | — | ● ACTIVE |
Repss INC | Houston | TX | — | ● ACTIVE |
| RFResearch Facility Solutions, LLC | Gainesville | FL | — | ● ACTIVE |
Research Laboratory Supply, INC. | Pompano Beach | FL | — | ● ACTIVE |
Resonance Research INC | Billerica | MA | — | ● ACTIVE |
Resonant Sensors Incorporated | Arlington | TX | — | ● ACTIVE |
Resonon, INC. | Bozeman | MT | — | ● ACTIVE |
| RSRespirometer Systems & Applications LLC | Fayetteville | AR | — | ● ACTIVE |
| RCRestek CORP | Bellefonte | PA | — | ● ACTIVE |
Retina Systems INC. | Seymour | CT | — | ● ACTIVE |
Revolution Drones LLC | Hickory | NC | — | ● ACTIVE |
| RHRevvity Health Sciences, INC. | Hopkinton | MA | — | ● ACTIVE |
| RCRexon Components INC | Beachwood | OH | — | ● ACTIVE |
Rheonik Americas INC | Houston | TX | — | ● ACTIVE |
R H K Technology, INC. | Troy | MI | — | ● ACTIVE |
Rh Systems LLC | Gilbert | AZ | — | ● ACTIVE |
Rh Technologies LLC | Grand Forks | ND | — | ● ACTIVE |
Richard H. Bird & CO. INC. | Waltham | MA | — | ● ACTIVE |
Ritec, INC | Warwick | RI | — | ● ACTIVE |
| RLRittmeyer LLC | Algodones | NM | — | ● ACTIVE |
| RMRoche Molecular Systems INC. | Branchburg | NJ | — | ● ACTIVE |
Rochester Sensors, LLC | Coppell | TX | — | ● ACTIVE |
| RCRoderick Consulting INC | Spring | TX | — | ● ACTIVE |
Rokhan LLC | Dardenne Prairie | MO | — | ● ACTIVE |
Roll-2-roll Technologies LLC | Stillwater | OK | — | ● ACTIVE |
Ronan Systems LLC | Valencia | CA | — | ● ACTIVE |
| RVRsi Visual Systems, INC. | Grapevine | TX | — | ● ACTIVE |
Runyan Industrial Gas Analyzers INC | Wooster | OH | — | ● ACTIVE |
Russtech Engineering Company, INC. | Mukilteo | WA | — | ● ACTIVE |
| RERyun Engineering and Manufacturing LLC | Lexington | MO | — | ● ACTIVE |
Safepoint Scientific LLC | West Berlin | NJ | — | ● ACTIVE |
| SSSafety Sense LLC | Youngstown | OH | — | ● ACTIVE |
Sage Science, INC. | Beverly | MA | — | ● ACTIVE |
Sailbri Cooper Incorporated | Tigard | OR | — | ● ACTIVE |
Salvus LLC | Valdosta | GA | — | ● ACTIVE |
Sandpiper Technical Solutions INC | Holly Springs | NC | — | ● ACTIVE |
| SCSanstreak Corporation | Campbell | CA | — | ● ACTIVE |
Sbs 2b Tech, LLC | Broomfield | CO | — | ● ACTIVE |
| SLScalables, LLC | Wallingford | CT | — | ● ACTIVE |
Scanivalve CORP | Liberty Lake | WA | — | ● ACTIVE |
Schneider Electric Systems USA INC | Maryville | TN | — | ● ACTIVE |
Schoeffel International CORP | Chelmsford | MA | — | ● ACTIVE |
Scicore Instruments, INC. | Long Valley | NJ | — | ● ACTIVE |
Scientifica LLC | Millstone | NJ | — | ● ACTIVE |
Scientific Bioprocessing, INC | Bohemia | NY | — | ● ACTIVE |
Scientific Bridge LLC | Columbus | OH | — | ● ACTIVE |
| SRScientific Repair INC | Torrance | CA | — | ● ACTIVE |
Scimeasure Analytical Systems, INC. | Decatur | GA | — | ● ACTIVE |
Scitech Sales, LLC | Kennesaw | GA | — | ● ACTIVE |
| SSSeacoast Science, INC. | Carlsbad | CA | — | ● ACTIVE |
| SISebia, INC. | Norcross | GA | — | ● ACTIVE |
Sebright Products INC | Hopkins | MI | — | ● ACTIVE |
| STSelerity Technologies Usa, INC. | Salt Lake City | UT | — | ● ACTIVE |
Sellmark Corporation | Mansfield | TX | — | ● ACTIVE |
Seneca Enterprises LLC | Traverse City | MI | — | ● ACTIVE |
Sensaras, LLC | Bohemia | NY | — | ● ACTIVE |
Sensing Systems Corporation | North Dartmouth | MA | — | ● ACTIVE |
| STSensit Technologies, LLC | Valparaiso | IN | 100–499 | ● ACTIVE |
Sensona, INC | Chicago | IL | — | ● ACTIVE |
Sensordata Technologies INC | Shelby Township | MI | — | ● ACTIVE |
Sensor Research and Development CORP | Orono | ME | — | ● ACTIVE |
Sensors INC | Saline | MI | — | ● ACTIVE |
| SLSensory Labs LLC | Bozeman | MT | — | ● ACTIVE |
Sensuron LLC | Goleta | CA | — | ● ACTIVE |
Sentek Instrument, LLC | Blacksburg | VA | — | ● ACTIVE |
Sequoia Scientific, INC | Bellevue | WA | — | ● ACTIVE |
Serious Simulations LLC | Oviedo | FL | — | ● ACTIVE |
Servomex Company | Sugar Land | TX | — | ● ACTIVE |
| SESevern Engineering CO INC | Coppell | TX | — | ● ACTIVE |
| SSShermco Systems Integration, LLC | Wichita Falls | TX | — | ● ACTIVE |
Shift Controls, INC. | Denver | CO | — | ● ACTIVE |
Sierra-olympia Technologies, INC. | Hood River | OR | — | ● ACTIVE |
Sightir, INC. | Goleta | CA | — | ● ACTIVE |
Sigma Scientific LLC | Micanopy | FL | — | ● ACTIVE |
Simformotion LLC | East Peoria | IL | — | ● ACTIVE |
Single Quantum USA INC | Knoxville | TN | — | ● ACTIVE |
Sirius Automation Group LLC | Vernon Hills | IL | — | ● ACTIVE |
Skc-west, INC. | Fullerton | CA | — | ● ACTIVE |
Skm Instruments, INC. | Centennial | WY | — | ● ACTIVE |
Slone Gear International INC | Tipp City | OH | — | ● ACTIVE |
| SISmaract INC. | Berkeley | CA | — | ● ACTIVE |
Sme Associates LLC | Palmetto | FL | — | ● ACTIVE |
Smith Thomas E | Pittsburgh | PA | — | ● ACTIVE |
| SLSmp Logic Systems LLC | Los Angeles | CA | — | ● ACTIVE |
Soar Optics INC. | Elk Grove | CA | — | ● ACTIVE |
Sodak Manufacturing LLC | Akron | IA | — | ● ACTIVE |
Softplc Corporation | Spicewood | TX | — | ● ACTIVE |
Software Bisque INC | Golden | CO | — | ● ACTIVE |
Soil Measurement Systems LLC | Huntington Beach | CA | — | ● ACTIVE |
Solid State Automation and Controls LLC | Stafford | TX | — | ● ACTIVE |
Solid State Cooling Systems, INC. | Wappingers Falls | NY | — | ● ACTIVE |
Solinst Flute LLC | Velarde | NM | — | ● ACTIVE |
Sonics & Materials INC | Newtown | CT | — | ● ACTIVE |
Sonntek INC | Upper Saddle River | NJ | — | ● ACTIVE |