- S2ALLIANCE INC.
- S3T Technology, LLC
- S4D Consulting LLC
- S.A.I.D. Strategy Group Incorporated
- S. Daniels Consulting, LLC
- S.O. WHAT!, LLC
- S & S Consulting Partners LLC
- S&Y Trading Corp. of New Jersey
- SafeHaven Security Group, LLC
- SafetyNet Consulting, LLC
- Safetyweb Product Sales, LLC
- SageLogix, Inc
- SAIMA of North America, Inc.
- Sanctuary Computer Inc
- SandHurst-AEC, LLC
- Sanitaz Inc
- Santaite Enterprises, LLC
- Sapphire Services LLC
- Sapta Systems LLC
- Saridyn LLC
- Sarum LLC
- Saurwin Inc
- Savant Financial Technologies Inc. d/b/a Ariel Partners
- Savvy Dimension LLC, The
- SBC Global Consulting, LLC
- SBM Solar Inc.
- SBS-TS, Inc.
- Schonstedt Instrument Company
- Science Visualization, LLC
- Scientific Gear LLC
- SDI Engineering Inc.
- Seagate Medical, Inc.
- SeaKat Strategies LLC
- Seal 1, LLC
- SealingLife Technology, LLC
- SEBA Professional Services, LLC
- SECPRO, LLC
- Secure Technology Integration Group Ltd
- Securities & Investigations, Inc.
- Security Hardware Solutions, LLC
- Seed Innovations, LLC
- Senez Consulting Inc
- Sensational Tees LLC
- Sensear, Inc
- Sentient Digital, Inc.
- Senturian One, Ltd. Co.
- Sequoia Industries, LLC
- Serry Systems Inc.
- SGM Logistics LLC
- Shanell & BC Properties LLC
- Shannon Specialty Floors, LLC [DBA Teknoflor]
- Shellback Empirical Solutions LLC
- SHESS Global Alliance, LLC
- Shineteck Inc
- Shivan Technologies, Inc
- Shobai LLC [DBA Remark Security]
- Shuttle Ruidoso, LLC
- Si Tec Consulting LLC
- Siarza Social Digital LLC
- Sidra Medical Supply Inc.
- Siege Technologies, LLC
- Sierra Metals, Inc.
- Sigma Operational Services LLC
- Signia Marketing, LTD.
- SILICONstruction Inc.
- Silver Lining Assistance, Inc. [DBA K&M Lawn, Garden and Arborist Supplies]
- SIMMSMCCANN LLC
- Simone Morris Enterprises LLC
- SIMPSON & ASSOCIATES SDVOSB, L.L.C.
- Sinclair and Sons Custom Welding and Machining Service Inc
- Singh Technology Group, LLC
- Situation Awareness Systems LLC [DBA Quantaero]
- Skies The Limit Academy LLC
- SKS Government Solutions Inc.
- Sky Media & Design Corp
- Sky Technologies L.L.C.
- SM Construction Inc.
- SMarie Consulting Group LLC
- Smart Technology, LLC
- SmartTrigger LLC
- SME Walker, Inc
- Smooth Operators LLC
- SMT LLC Group
- SNA Software, LLC
- Social Climber Pro, LLC
- Social Lens Research LLC
- Soil Sage LLC
- Solar Freeze LLC
- Solar Research Technologies LLC
- Solar Stik, Inc
- SolidHire LLC
- Solstice Corp
- Solution Logistics LLC
- Solutions i3, LLC
- SolveForce, LLC
- Sonic Aerospace Inc.
- Sorc’d LLC
- SOS Toner Supply, LLC
- SOTER Bio Consulting LLC
- Soubriet Byrne & Associates Inc
- Southeast Cherokee Construction, Inc
- Southern Exteriors Fence Co
- Southern Laser Restoration LLC
- Southwest Call Center, Inc.
- Southwest Office Solutions, Inc.
- Southwest Roofing Consulting Services, Inc.
- Southwest Sales and Solutions, LLC
- SparClean Premier Cleaning Solutions, LLC
- SparkWorks LLC
- Sparta Luxe, LLC
- Specialty Coating Applicators, LLC
- Spectrum Beauty Academy, LLC
- Spectrum Comm Inc.
- Speer Operational Technologies, Inc.
- SPI Limited
- Spika Design & Manufacturing, Inc.
- Spin Markket, LLC
- SpinTech, LLC
- Spirit America Corp
- SPOC [Single Point of Contact]
- Sport Surfaces Distributing, Inc.
- Spotless Janitorial Services Inc
- Spry Digital, LLC
- SSA Consultants, Inc.
- SSi, Inc.
- St. Pierre Manufacturing Corporation
- Staffing Boutique, Inc
- Staffing Solutions of Hawaii, Inc.
- Stamp Idea Group, LLC
- Stanislaus Mechanical Inc.
- Star Light Consulting LLC
- Start From Scratch
- Statmask LLC
- STI Electronics, Inc.
- Staffing Alternatives, Inc. [SAI]
- StrainerFab USA
- Strategic Ethical Solutions, LLC
- StrategicIT Solutions LLC
- Strategic Medical Equipment Solutions, LLC
- Strategos International, L.L.C.
- Steadfast Security Solutions, LLC
- Steadfast Supply, LLC
- Steel Rock Services, LLC
- Steelhead Metal Corp.
- SteMac Consultant Management Group, LLC
- StepTech LLC
- Stock Closet LLC
- Stone Environmental Services, LLC
- Stonecape Limited
- Stonemill Consulting, LLC
- Str8 Security LLC
- Strategic Analytix Inc
- Strategic Assessment Solution Svcs LLC
- Strategic Defense Solutions, LLC
- Strategic Hub, Inc, The
- Street Legal Industries, Inc.
- Strictly Business Computer Systems Inc.
- Strike Group LLC
- Structural Associates, Inc.
- STSC Clinical
- Studio 13, Inc
- Studio One Digital, Inc.
- Studio WTA, LLC [DBA practis]
- StudioLabs LLC
- Succeed to Lead, LLC
- Summit Helicopters, Inc.
- Summit Technologies LLC
- Sunbelt Environmental Services, Inc.
- Sun Travel Inc
- Sungro Products, LLC
- Sunnybrook Excavating LLC
- Sunrise Recycling Services, LLC [Omega Recycling Solutions]
- Sunstate Transportation Group Inc
- Superior Skilled Trades LLC
- Surveillance One, Inc.
- Sustainable Custom Solutions Inc
- Sustainable Water Treatment, LLC
- Sutra Communication, Inc.
- Sverdrup Engineering Services PLLC
- Swain Distribution, Inc.
- Swartz Consulting, LLC
- Syed Holding and Capital, LLC
- Sygnetics, Inc.
- Synapse Technologies, Inc.
- Synaptein Solutions, Inc.
- Synergistic Agility LLC
- Synergy Freight Solutions
- Synthesis Technology Assessment & Research, LLC
- SYSUSA, Inc