The business grew and eventually, he was helping thousands nationwide.
( ( ( ( ( The business ) grew ) and ) ( eventually ( , ( he ( was ( ( helping thousands ) nationwide ) ) ) ) ) ) . )
(ROOT (S (S (NP (DT The) (NN business)) (VP (VBD grew))) (CC and) (S (ADVP (RB eventually)) (, ,) (NP (PRP he)) (VP (VBD was) (VP (VBG helping) (NP (NNS thousands)) (ADVP (RB nationwide))))) (. .)))
His company shrank and he ended up helping only a few hundred. 
( ( ( ( ( His company ) shrank ) and ) ( he ( ( ended up ) ( helping ( only ( a ( few hundred ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (PRP$ His) (NN company)) (VP (VBD shrank))) (CC and) (S (NP (PRP he)) (VP (VBD ended) (PRT (RP up)) (S (VP (VBG helping) (NP (QP (RB only) (DT a) (JJ few) (CD hundred))))))) (. .)))