Overview
- 140 inspections across 131 sites are on record.
- 165 Form 483 observations are attributed to this investigator.
- Most recent recorded activity is 2026-07-14.
At a glance
Inspections
140
Sites
131
Observations
165
Career since
Dec 2020
Recent inspections
Most recent inspections in the published record.
| Site | Date | Category | Form 483 |
|---|---|---|---|
| Wyo-Ben, Inc | 14 Jul 2026 | Animal Drugs & Feeds | |
| American Colloid Company | 13 Jul 2026 | Animal Drugs & Feeds | |
| True Ranches L.L.C. | 9 Jul 2026 | Animal Drugs & Feeds | |
| Noland Feed | 8 Jul 2026 | Animal Drugs & Feeds | |
| Natural Granen Gebr. De Scheemaecker NV now known as Arvesta Animal Nutrition | 17 Jun 2026 | Animal Drugs & Feeds |
Sites inspected
Wyo-Ben, IncGreybull, United States1 insp.
American Colloid CompanyLovell, United States1 insp.
True Ranches L.L.C.Wheatland, United States1 insp.
Noland FeedCasper, United States1 insp.
Natural Granen Gebr. De Scheemaecker NV now known as Arvesta Animal NutritionSchoten, Belgium1 insp.
Co-investigators
Investigators who share inspections with this person.
Amy L Mccarthy11 shared
Kelsey L Vansickle8 shared
Benjamin P Stewart5 shared
Jennifer M Heitz4 shared
Jennifer A Pruden3 shared
Elizabeth M Wittenauer2 shared
David R Lattuca2 shared
Jennifer A Downie2 shared
Stacey L Witherwax1 shared
Joseph R Haynes1 shared
Full investigator report
Get the verbatim findings behind Lisa M Marko's 165 observations
Source 483 PDFs, verbatim observations, and how each site responded, so your team knows what they cite before they arrive.
- New inspections and Form 483s, mapped to the CFR citation
- Warning letter outcomes, and the citation patterns they repeat
- Their co-investigators, so no surprises about who shows up on site