| Guardant Health, Inc. | Clinical Laboratory | Redwood City, CA | 20,745 | $174.5M |
| Natera, Inc. | Clinical Laboratory | San Carlos, CA | 15,483 | $133.1M |
| Caredx Inc. | Clinical Laboratory | Brisbane, CA | 16,556 | $122.5M |
| Cardionet, Llc. | Independent Diagnostic Testing Facility (IDTF) | Pleasanton, CA | 111,291 | $112.2M |
| Genomic Health, Inc. | Clinical Laboratory | Redwood City, CA | 24,312 | $96.8M |
| Irhythm Technologies, Inc. | Independent Diagnostic Testing Facility (IDTF) | San Francisco, CA | 239,988 | $94.0M |
| Unilab Corporation | Clinical Laboratory | West Hills, CA | 367,832 | $94.0M |
| Veracyte Labs Sd Corporation | Clinical Laboratory | San Diego, CA | 18,742 | $75.0M |
| Invitae Corporation | Clinical Laboratory | San Francisco, CA | 40,559 | $71.4M |
| Laboratory Corporation Of America | Clinical Laboratory | San Diego, CA | 295,106 | $59.8M |
| Unilab Corporation | Clinical Laboratory | Sacramento, CA | 245,429 | $47.1M |
| Aaron JengMD, MPH | Internal Medicine | San Gabriel, CA | 187 | $43.2M |
| Ambry Genetics Corporation | Clinical Laboratory | Aliso Viejo, CA | 22,503 | $40.8M |
| Biotheranostics, Inc. | Clinical Laboratory | San Diego, CA | 9,039 | $38.4M |
| Veracyte, Inc. | Clinical Laboratory | South San Francisco, CA | 8,658 | $37.7M |
| Neogenomics Laboratories Inc | Clinical Laboratory | Aliso Viejo, CA | 8,822 | $32.6M |
| Richard ParkM.D. | Internal Medicine | Granada Hills, CA | 1,998 | $31.7M |
| Falck Mobile Health Corp | Ambulance Service Provider | Orange, CA | 35,359 | $25.5M |
| Mdinr, Llc | Independent Diagnostic Testing Facility (IDTF) | San Jose, CA | 38,828 | $25.2M |
| Mdxhealth, Inc. | Clinical Laboratory | Irvine, CA | 4,515 | $24.0M |
| Johnson LeeM.D. | Plastic and Reconstructive Surgery | Beverly Hills, CA | 498 | $22.5M |
| Alere Home Monitoring, Inc. | Independent Diagnostic Testing Facility (IDTF) | Livermore, CA | 50,239 | $20.7M |
| Millennium Health, Llc | Clinical Laboratory | San Diego, CA | 21,433 | $20.4M |
| James MichailM.D. | Geriatric Medicine | Granada Hills, CA | 482 | $20.4M |
| Biological Laboratory, Inc. | Clinical Laboratory | San Dimas, CA | 139,329 | $19.4M |
| Reach Air Medical Services Llc | Ambulance Service Provider | Brawley, CA | 2,110 | $19.3M |
| Gautam BhaktaMD | Internal Medicine | Arroyo Grande, CA | 257 | $19.0M |
| City Of Los Angeles | Ambulance Service Provider | Los Angeles, CA | 25,513 | $17.9M |
| Jack AzadM.D. | General Practice | Los Angeles, CA | 600 | $17.2M |
| Biognomics Lab, Llc | Clinical Laboratory | Irvine, CA | 81,525 | $16.4M |
| Exagen Inc. | Clinical Laboratory | Vista, CA | 14,852 | $15.7M |
| Universal Genetics Llc | Clinical Laboratory | Monrovia, CA | 75,097 | $15.1M |
| Som KohanzadehMD | Plastic and Reconstructive Surgery | Beverly Hills, CA | 157 | $14.7M |
| Modern Nuclear, Inc. | Independent Diagnostic Testing Facility (IDTF) | La Habra, CA | 5,210 | $14.6M |
| Orange Toxicology Lab Inc. | Clinical Laboratory | San Bernardino, CA | 102,728 | $14.1M |
| Patrick BlackDPT | Physical Therapist in Private Practice | Beaumont, CA | 70 | $14.0M |
| Precision Toxicology, Llc | Clinical Laboratory | San Diego, CA | 13,992 | $13.8M |
| Vital Connect, Inc | Independent Diagnostic Testing Facility (IDTF) | Pasadena, CA | 11,501 | $13.6M |
| Caremark, L.L.C. | Pharmacy | Redlands, CA | 22 | $13.4M |
| H&m Molecular Diagnostics, Llc | Clinical Laboratory | San Diego, CA | 48,995 | $13.3M |
| Ravindra GautamM.D. | Internal Medicine | Barstow, CA | 222 | $13.0M |
| Catherine LeeM.D. | Dermatology | Corona Del Mar, CA | 342 | $12.6M |
| West Coast Medical Labs Inc | Clinical Laboratory | Manteca, CA | 10,892 | $12.2M |
| Merry TaheriMSN FNP | Nurse Practitioner | Torrance, CA | 127,890 | $12.1M |
| Gmi Laboratories Llc | Clinical Laboratory | North Hollywood, CA | 2,387 | $11.9M |
| Vinh-Linh NguyenMD | Hematology-Oncology | Bakersfield, CA | 279 | $11.5M |
| Falck Northern California Corp. | Ambulance Service Provider | Hayward, CA | 11,764 | $11.3M |
| Kwph Enterprises Inc | Ambulance Service Provider | Fresno, CA | 12,168 | $11.1M |
| Rural-Metro Of California Inc | Ambulance Service Provider | San Jose, CA | 11,400 | $10.7M |
| Biox Labs Inc | Clinical Laboratory | Torrance, CA | 16,531 | $10.6M |
| Esoterix, Inc | Clinical Laboratory | Calabasas Hills, CA | 9,545 | $10.3M |
| Agendia Inc | Clinical Laboratory | Irvine, CA | 2,614 | $10.2M |
| Luke DreisbachM.D. | Hematology-Oncology | Rancho Mirage, CA | 1,056 | $9.8M |
| Pacific Diagnostic Laboratories | Clinical Laboratory | Santa Barbara, CA | 40,536 | $9.8M |
| American Medical Response Ambulance Service, Inc. | Ambulance Service Provider | San Diego, CA | 13,158 | $9.6M |
| Hooman SaberiniaMD | Internal Medicine | Concord, CA | 53,641 | $9.6M |
| Nathan SteinleM.D. | Ophthalmology | Santa Barbara, CA | 2,910 | $9.5M |
| Scripps Health | Clinical Laboratory | San Diego, CA | 37,351 | $8.9M |
| Harvey PaleyM.D. | Otolaryngology | Beverly Hills, CA | 28,246 | $8.9M |
| Violetta MailyanD.O. | Family Practice | Glendale, CA | 1,549 | $8.8M |
| Premier Medical Transport, Inc. | Ambulance Service Provider | Brea, CA | 16,555 | $8.6M |
| Regents Of The University Of | Clinical Laboratory | Panorama City, CA | 39,440 | $8.5M |
| Pacific Point Laboratories, Inc. | Clinical Laboratory | San Luis Obispo, CA | 39,344 | $8.5M |
| Contra Costa County | Ambulance Service Provider | Pleasant Hill, CA | 8,596 | $8.4M |
| American Medical Response Of Inland Empire | Ambulance Service Provider | Rancho Cucamonga, CA | 9,454 | $8.2M |
| Oran SchachterD.P.M | Podiatry | Sherman Oaks, CA | 197 | $8.0M |
| American Medical Response Ambulance Service, Inc. | Ambulance Service Provider | Riverside, CA | 9,585 | $7.9M |
| Global Diagnostic Lab Inc | Clinical Laboratory | Pasadena, CA | 3,250 | $7.8M |
| Khosrow MehranyM.D. | Micrographic Dermatologic Surgery | Modesto, CA | 822 | $7.7M |
| Amiel MoshfeghMD | Interventional Radiology | Commerce, CA | 948 | $7.6M |
| Hall Ambulance Service Inc | Ambulance Service Provider | Bakersfield, CA | 8,122 | $7.6M |
| Sarju PatelM.D. MSC | Ophthalmology | Sacramento, CA | 1,912 | $7.5M |
| Derm - Jes Holdings, Llc | Clinical Laboratory | San Diego, CA | 7,519 | $7.4M |
| Natan ShaoulianM.D. | Neurology | Beverly Hills, CA | 89 | $7.3M |
| Pacific Medical Labs | Clinical Laboratory | Torrance, CA | 43,242 | $7.3M |
| Red Chip Of Nevada | Pharmacy | Irvine, CA | 12 | $7.0M |
| Star Medical Laboratory Inc | Clinical Laboratory | Sun Valley, CA | 4,322 | $7.0M |
| Advanced Bionics, Llc. | Pharmacy | Valencia, CA | 1,720 | $6.9M |
| Philana McdonaldMSN, FNP-BC | Nurse Practitioner | Atascadero, CA | 72,657 | $6.9M |
| North Star Emergency Services, Inc. | Ambulance Service Provider | Livermore, CA | 12,347 | $6.7M |
| Barry EibschutzM.D. | Rheumatology | San Luis Obispo, CA | 638 | $6.6M |
| Ravi RaoMD | Hematology-Oncology | Fresno, CA | 876 | $6.6M |
| Specialty Surgical Center, Llc | Ambulatory Surgical Center | Beverly Hills, CA | 2,184 | $6.5M |
| City & County Of San Francisco | Ambulance Service Provider | San Francisco, CA | 7,103 | $6.5M |
| Mark TranM.D. | Dermatology | Corona Del Mar, CA | 461 | $6.5M |
| Empower Genomics Corp | Clinical Laboratory | Escondido, CA | 40,972 | $6.5M |
| Jon KellerMD | Pathology | Palo Alto, CA | 43,875 | $6.4M |
| Nikolas LondonM.D. | Ophthalmology | San Diego, CA | 1,307 | $6.4M |
| Stephen CouvillionMD | Ophthalmology | Santa Barbara, CA | 1,599 | $6.4M |
| Westmed Ambulance Inc | Ambulance Service Provider | Compton, CA | 9,113 | $6.3M |
| American Medical Response West | Ambulance Service Provider | Stockton, CA | 6,722 | $6.3M |
| Birdrock | Clinical Laboratory | San Diego, CA | 3,258 | $6.2M |
| Shariar Cohen-GadolM.D. | Rheumatology | Thousand Oaks, CA | 1,286 | $6.2M |
| Shoreline Diagnostics Llc | Clinical Laboratory | Irvine, CA | 4,923 | $6.2M |
| Millicent RoveloM.D. | Plastic and Reconstructive Surgery | Beverly Hills, CA | 268 | $6.1M |
| Path Md, Inc. | Clinical Laboratory | Los Angeles, CA | 2,404 | $6.1M |
| Jamison FeramiscoMD, PHD | Dermatology | San Diego, CA | 1,207 | $6.1M |
| Biocorp Clinical Lab Inc | Clinical Laboratory | Whittier, CA | 18,918 | $6.1M |
| Genentox Laboratories Llc | Clinical Laboratory | Santa Ana, CA | 1,820 | $6.1M |
| Mehran KhorsandiM.D., | Cardiology | Los Angeles, CA | 1,333 | $6.1M |