Wrsnodgrass - Glad to help. Addressing your resource question, you can certainly refer to an attorney as suggested by WV_Mineral_Owner. In the event you live in that area and want to research it yourself, I would recommend asking for assistance from the county clerks to get you started researching the title history. Keep in mind, title research is a very complex topic with an extremely steep learning curve and many legal nuances so make sure you’re up for a significantly challenging and time consuming project - especially in WV.
As for genealogy research, you can use online resources such as ancestry.com, findagrave.com, etc. Talk with family members (especially older ones) and start building out a family tree. You may want to visit your local library as well. I don’t know about Ritchie, but I know Harrison County has a genealogical society that may be able to offer some help. Putting the information together from the title history and genealogy should give you a good footing to base things off of. If nothing else, you may find that you’re related to some pretty interesting people from the past.
Based on WV_Mineral_Owner’s comment, it sounds like the company that contacted you may not have the best reputation, however it may at least be worth reaching out and asking them to provide you with proof of your ownership in the property. By doing so, you might be able to talk them into giving you some or all the research they’ve already done. This is a longshot since most companies don’t like giving away their intel, so don’t be surprised if they tell you no, but it never hurts to try.
Best of luck