For Ex-CMB's LM you can try Great Yarmouth or Norwich as they are with Eastern counties and are based at Gt Yarmouth,
Ex-CTB olympian that aren't with stageaoch and Ex-CLP's olympian are mainly in the East Anglia region by coach company mainly on School Contract or Rail Replacement services
Ex-CTB olympian with stagecoach there are some still in devon working on the X46 (don't know if they are still there) or others in scotland ??
Will let the other boardmate fill in the rest.