- Sangre De Christo Biomedical
- Saturn Medical Billing
- SCEC Medical Billing Svc
- Schneider Enterprises
- Seaboard Condominium Sales
- Segue Staffing
- Sequoia Medical Billing Svc
- Seton Medical Management Bllng
- Shears Medical Svc
- Shps
- Sierra Billing Svc
- Sierra Health Svc Inc
- Sierra Medical Billing
- Sierra Medical Billing
- Siladon Solutions LLC
- Silent Partner Business Svc
- Silicone Valley Surgery Ctr
- Simply Billed
- Siskiyou Data Systems
- SLO Billing Solutions
- Smart Solutions
- Softcell
- Solano Billing Systems
- Sonia's Medical Billing
- Sonoran Medical
- SOURCECORP
- Southeast Medical Billing
- Southern California Physician
- Southland Billing & Data Svc
- Southwest Reimbursement Svc
- Specialty Medical Billing Pros
- Spectrum Health Systems Inc
- Srmc
- SSIMED Corp
- Stanford Medical Billing
- Starr Medical Billing
- Stat
- Stat
- Stat Medical Administration
- Stat Medical Billing
- Stat Medical Billing
- Stat Medical Billing
- Statement Co
- Stewart's Physicians Billing
- Streamline Electronic Billing
- Streamline Electronic Billing
- Summitt Billing Solutions
- Sunrise Billing Solutions Inc
- Sunrise Medical Billing
- Superior DME Billing
- Superior Medical Billing
- Sure Med Inc
- Sureclaim
- Surgery Billing Inc
- Sweet Medical Billing Svc
- Sybernet Billing Solutions
- Symed Corp
- Syntecs Electronic Billing
- T & K Fism
- T R & Assoc
- Tagmar Medical Management
- Talent Payroll Svc
- Target Billing & Collections
- TBL Management Co Inc
- TCS
- Team 1 Medical Billing Svc
- Telcom National
- Telenomics Inc
- Telenomics Inc
- Tempe Emergency Physicians LTD
- Therapist Solutions
- Thomas Medical Billing
- Time To Track Inc
- Tina Crummett
- Tina's Medical Billing
- Tlp Medical Billing Svc
- Tlv Svc
- TMG Inc
- Tokay Medical Billing
- Top Billing
- Top Billing
- Total Effects Medical Billing
- Total Healthcare
- Tri Med Billing Assoc
- Tri-County Medical Billing Svc
- Tri-Med Billing Assoc
- Tri-Valley Medical Billing Svc
- Trinity Medical Billing
- Trinity Medical Ins Billing
- Triple Action Billing
- Unisa Inc
- United International Health Nt
- United Medical
- United Medical Billing
- United Pro Bill
- University Of Ca Patient Svc
- Unlimited Billing Svc
- Uptain Group Inc
- USA Medical Billing
- V & J Svc
- Validicom Telecom Comms
- Valley Billing Solutions
- Valley Electronic Billing Svc
- Valley Medical Management
- Valley Medical Svc
- Valley Pathology
- Valley Radiological Assoc
- Vericus Medical Billing Inc
- Vinaka Physicians Billing
- Virtual Billing Svc
- Vision West
- VKP T's Billing Svc
- Walmar & Assoc
- Washington Medical Billing
- West Coast Dermatology
- West Coast Electronic Billing
- Western Automoated Utilities
- Western Co Radiation Oncology
- Western Professional Claims
- Westshore Medical Billing
- Westshore Medical Billing
- Westside Medical Billing
- Winslow Medical Billing
- Withem Medical Business Svc
- Wittman Enterprises
- WMS Water Management Svc
- Woods Billing Svc
- Work Comp Med Svc Co
- Work Comp Medical Svc Co
- Wright Service
- Wright Services
- Yolo Medical Billing
- Your Billing Svc
- Your Billing Svc
- Zybex
