| 501 | Shawna Handschug IncorporatedActive | Corporation | Sep 18, 2013 | Active |
| 502 | 383 S M HoldingActive | Corporation | Sep 17, 2013 | Active |
| 503 | Fainer Consulting, LLCActive | LLC | May 13, 2013 | Active |
| 504 | Phillips Excavating & Transport Inc.Active | Corporation | Apr 12, 2013 | Active |
| 505 | Kimberly R. Faucher M.d. Medical CorporationActive | Corporation | Jan 14, 2013 | Active |
| 506 | Celtic Management LLCActive | LLC | Jan 4, 2013 | Active |
| 507 | Mitchell Investment Company, LLCActive | LLC | Dec 6, 2012 | Active |
| 508 | Garman Family Land Company, LLCActive | LLC | Apr 30, 2012 | Active |
| 509 | I E C Distributing, LLCActive | LLC | Apr 3, 2012 | Active |
| 510 | Crmt Resources, Inc.Active | Corporation | Feb 1, 2012 | Active |
| 511 | Stylist Of Willits Inc.Active | Corporation | Jan 18, 2012 | Active |
| 512 | Medical Surplus Corp.Active | Corporation | Sep 26, 2011 | Active |
| 513 | Hip Joynt Unlimited, Inc.Active | Nonprofit | Sep 12, 2011 | Active |
| 514 | Botalotawork Inc.Active | Corporation | Sep 7, 2011 | Active |
| 515 | Mendocino Organic NetworkActive | Nonprofit | Aug 5, 2011 | Active |
| 516 | Bouthillier's Construction, Inc.Active | Corporation | Jun 9, 2011 | Active |
| 517 | Mendo Innovations LLCActive | LLC | Apr 6, 2011 | Active |
| 518 | Suzanne Wagner Lmt, Inc.Active | Corporation | Mar 29, 2011 | Active |
| 519 | Praedium, Inc.Active | Corporation | Mar 15, 2011 | Active |
| 520 | Imagination Station Preschool & Child Care Center Inc.Active | Nonprofit | Feb 1, 2011 | Active |
| 521 | Willits Mini Storage, LLCActive | LLC | Dec 31, 2010 | Active |
| 522 | La Siciliana Restaurant LLCActive | LLC | Dec 30, 2010 | Active |
| 523 | Yokums Body Shop, Inc.Active | Corporation | Dec 21, 2010 | Active |
| 524 | Mendo Sour PowerActive | Corporation | Sep 13, 2010 | Active |
| 525 | Advanced Designs Inc Dba Advanced Pcb DesignsTerminated | Corporation | Jul 16, 2010 | Terminated |
| 526 | Cholly Veterinary Services, Inc.Active | Corporation | Apr 26, 2010 | Active |
| 527 | Golden Harvest Consulting And Sales LLCActive | LLC | Apr 19, 2010 | Active |
| 528 | Woodline Design, Inc.Active | Corporation | Apr 9, 2010 | Active |
| 529 | Willits Property Management Inc.Active | Corporation | Jan 28, 2010 | Active |
| 530 | Shefa Management LLCActive | LLC | Jan 11, 2010 | Active |
| 531 | Digger's, Inc.Active | Corporation | Dec 17, 2009 | Active |
| 532 | Amazing Grace Assembly Of GodActive | Nonprofit | Nov 5, 2009 | Active |
| 533 | Sph Properties Ii, LLCActive | LLC | Oct 16, 2009 | Active |
| 534 | Fox Tale, IncActive | Corporation | Oct 14, 2009 | Active |
| 535 | Sanhedrin Holdings, LLCActive | LLC | Mar 17, 2009 | Active |
| 536 | Howard Hospital, Inc.Active | Nonprofit | Jan 26, 2009 | Active |
| 537 | Mendocino County Blacktail Deer Association (mcba)Active | Nonprofit | Dec 8, 2008 | Active |
| 538 | Bouthillier Holding, LLCActive | LLC | Aug 22, 2008 | Active |
| 539 | Hatchet Mountain Land Company, Inc.Active | Corporation | Aug 12, 2008 | Active |
| 540 | Sextant Consulting Services, Inc.Active | Corporation | Jul 24, 2008 | Active |
| 541 | Majajo LLCActive | LLC | Mar 6, 2008 | Active |
| 542 | Atrain Education, Inc.Active | Corporation | Mar 4, 2008 | Active |
| 543 | Sgs Construction, Inc.Active | Corporation | Mar 3, 2008 | Active |
| 544 | Bud Garman Construction Services, Inc.Active | Corporation | Jan 15, 2008 | Active |
| 545 | Jeff's Gas Appliances, Inc.Active | Corporation | Jan 1, 2008 | Active |
| 546 | Brookside Pto, Inc.Active | Nonprofit | Nov 26, 2007 | Active |
| 547 | Mariposa Natural FoodsActive | Corporation | Nov 9, 2007 | Active |
| 548 | Hoggwatt, L.p.Active | Partnership | Jun 11, 2007 | Active |
| 549 | Al's Redwood Room, LLCActive | LLC | Jun 1, 2007 | Active |
| 550 | Blum's Affordable Plumbing, Inc.Active | Corporation | Jan 1, 2007 | Active |